1981821472722

Names of 1981821472722

• Cardinal: 1981821472722 can be written as One trillion, nine hundred eighty-one billion, eight hundred twenty-one million, four hundred seventy-two thousand, seven hundred twenty-two.

Scientific notation

• Scientific notation: 1.981821472722 × 10¹²

Factors of 1981821472722

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 317

Divisors of 1981821472722

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 37 39 42 49 54 61 63 67 74 78 81 91 98 111 117 122 126 127 134 147 162 182 183 189 201 222 234 254 259 273 294 333 351 366 378 381 402 427 441 469 481 518 546 549 567 603 637 666 702 762 777 793 819 854 871 882 889 938 962 999 1053 1098 1134 1143 1206 1274 1281 1323 1407 1443 1554 1586 1638 1647 1651 1742 1778 1809 1813 1911 1998 2106 2257 2286 2331 2379 2457 2479 2562 2613 2646 2667 2814 2886 2989 2997 3283 3294 3302 3367 3429 3618 3626 3822 3843 3969 4087 4221 4329 4514 4662 4699 4758 4914 4941 4953 4958 5226 5334 5427 5439 5551 5733 5978 5994 6097 6223 6566 6734 6771 6858 6993 7137 7371 7437 7686 7747 7839 7938 8001 8174 8442 8509 8658 8967 9398 9849 9882 9906 10101 10287 10854 10878 11102 11466 11529 11557 12194 12261 12446 12663 12987 13542 13986 14097 14274 14742 14859 14874 15494 15678 15799 16002 16317 16653 17018 17199 17353 17934 18291 18669 19698 20202 20313 20574 20979 21411 22311 23058 23114 23241 23517 23569 24003 24522 25326 25527 25974 26901 28194 28609 29341 29547 29718 30303 31598 32227 32634 32893 33306 34398 34587 34671 34706 36582 36783 37338 37989 38857 38961 40626 41958 42291 42679 42822 44577 44622 46482 47034 47138 47397 48006 48951 49959 51054 51597 52059 53131 53802 54229 54873 56007 57218 58682 59094 59563 60606 60939 61087 64233 64454 65786 66933 69174 69342 69723 70551 70707 72009 73566 75978 76581 77714 77922 80703 80899 84582 85358 85827 88023 88641 89154 90909 94794 96681 97902 98679 99918 100711 103194 104013 104118 106262 108458 109746 110349 110593 110617 112014 116571 119126 121471 121878 122174 126873 128037 128466 133731 133866 139446 141102 141414 142191 144018 146853 149877 151219 153162 156177 159393 161406 161798 162687 164619 168021 171654 176046 177282 178689 181818 182817 183261 193362 197358 200263 200799 201422 205387 208026 209169 212121 220698 221186 221234 225589 229743 230251 233142 242109 242697 242942 253746 256074 257481 264069 265923 267462 272727 284382 286639 290043 293706 296037 299754 302133 302438 312039 312354 314833 318786 325374 329238 331047 331779 331851 336042 349713 357378 364413 365634 366522 371917 379603 380619 384111 400526 401598 410774 416941 418338 424242 426573 427609 449631 451178 453657 459486 460502 468531 478179 484218 485394 488061 493857 504063 514962 519049 528138 531846 536067 545454 549783 573278 580086 592074 600789 604266 616161 624078 627507 629666 636363 662094 663558 663702 676767 689229 690753 699426 704977 728091 728826 743834 759206 761238 768222 772443 774319 792207 833882 853146 855218 859917 870129 888111 899262 906399 907314 936117 937062 944499 956358 976122 987714 995337 995553 1008126 1038098 1049139 1058533 1072134 1093239 1099566 1115751 1138809 1152333 1201578 1232322 1250823 1255014 1272726 1279719 1282827 1353534 1360971 1378458 1381506 1405593 1409954 1434537 1437709 1456182 1464183 1544886 1548638 1557147 1579123 1584414 1608201 1649349 1719834 1740258 1776222 1802367 1812798 1848483 1872234 1888998 1909089 1965847 1990674 1991106 2006473 2030301 2072259 2098278 2114931 2117066 2184273 2186478 2203831 2231502 2277618 2304666 2317329 2322957 2376621 2501646 2559438 2565654 2579751 2603419 2610387 2664333 2719197 2721942 2811186 2833497 2869074 2875418 2928366 2986011 2986659 2993263 3114294 3147417 3158246 3175599 3216402 3279717 3298698 3347253 3416427 3456999 3604734 3633343 3696966 3726307 3752469 3818178 3848481 3931694 4012946 4060602 4082913 4092829 4144518 4229862 4303611 4313127 4368546 4392549 4407662 4634658 4645914 4671441 4737369 4753242 4824603 4934839 4948047 5159502 5206838 5220774 5328666 5407101 5420233 5438394 5545449 5666994 5897541 5972022 5973318 5986526 6019419 6090903 6216777 6294834 6344793 6351198 6552819 6559434 6611493 6694506 6747637 6832854 6913998 6968871 7266686 7409731 7452614 7504938 7696962 7739253 7810257 8157591 8165826 8185658 8500491 8607222 8626254 8785098 8958033 8959977 8979789 9342882 9474738 9526797 9649206 9839151 9869678 9896094 10041759 10249281 10814202 10840466 10900029 11090898 11178921 11257407 11545443 11795082 12038838 12181806 12248739 12278487 12433554 12689586 12939381 13105638 13222986 13495274 13760929 13937742 14014323 14045311 14212107 14804517 14819462 15426817 15478506 15620514 16221303 16260699 16315182 16636347 17000982 17692623 17916066 17919954 17959578 18058257 18272709 18650331 19034379 19053594 19204813 19678302 19834479 20083518 20242911 20498562 20906613 21800058 22229193 22357842 22514814 23090886 23217759 23430771 24497478 24556974 25433401 25501473 25878762 26084149 26939367 27521858 28028646 28090622 28424214 28580391 28649803 29609034 30125277 30747843 30853634 32442606 32521398 32700087 33272694 33536763 33772221 34636329 35385246 36116514 36545418 36835461 37300662 38068758 38409626 38818143 39668958 40485822 41282787 41813226 42042969 42135933 42636321 44413551 44458386 46280451 46435518 46861542 47233459 48782097 50866802 51002946 52168298 53077869 53878734 54174771 57103137 57160782 57299606 57614439 59503437 60250554 60728733 61495686 62719839 65400174 66687579 67073526 67544442 69272658 70292313 73670922 76300203 77636286 78252447 80818101 82565574 84085938 84271866 85272642 85741173 85949409 88827102 92560902 94466918 96326503 97564194 98100261 100610289 106155738 108349542 110506383 114206274 115228878 116454429 119006874 121457466 123848361 125439678 126407799 127908963 133240653 133375158 134433691 138841353 140584626 141700377 146346291 152600406 156504894 159233607 161636202 162524313 171482346 171898818 172843317 178510311 182186199 182589043 192653006 196200522 200062737 200548621 201220578 210876939 221012766 228900609 232908858 234757341 242454303 247696722 249662569 252815598 255817926 257848227 266481306 268867382 277682706 283400754 288979509 292692582 294300783 301830867 318467214 325048626 330634213 331519149 345686634 357020622 364372398 365178086 371545083 379223397 399721959 400125474 401097242 403301073 416524059 421753878 425101131 439038873 457801218 469514682 484908606 499325138 515696454 518529951 546558597 547767129 577959018 588601566 600188211 601645863 603661734 661268426 663038298 686701827 704272023 743090166 748987707 758446794 773544681 799443918 806602146 833048118 850202262 866938527 878077746 941035837 991902639 1037059902 1093117194 1095534258 1114635249 1137670191 1200376422 1203291726 1209903219 1249572177 1275303393 1373403654 1408544046 1497975414 1547089362 1555589853 1643301387 1733877054 1747637983 1804937589 1882071674 1983805278 2060105481 2112816069 2229270498 2246963121 2275340382 2320634043 2419806438 2499144354 2550606786 2600815581 2823107511 2975707917 3111179706 3286602774 3495275966 3609875178 3629709657 3825910179 4120210962 4225632138 4493926242 4641268086 4929904161 5201631162 5242913949 5414812767 5646215022 5951415834 6740889363 7259419314 7651820358 7802446743 8469322533 8927123751 9859808322 10485827898 10829625534 10889128971 12233465881 13481778726 14789712483 15604893486 15728741847 16244438301 16938645066 17854247502 20222668089 21778257942 24466931762 25407967599 26781371253 29579424966 31457483694 32488876602 36700397643 40445336178 47186225541 50815935198 53562742506 73400795286 76223902797 94372451082 110101192929 141558676623 152447805594 220202385858 283117353246 330303578787 660607157574 990910736361 1981821472722
• Sum of all divisors σ(n): 5940235800576
• Sum of proper divisors (its aliquot sum) s(n): 3958414327854
• 1981821472722 is an abundant number, because the sum of its proper divisors (3958414327854) is greater than itself. Its abundance is 1976592855132

Bases of 1981821472722

• Binary: 11100110101101101110000111100111111010010₂
• Hexadecimal: 0x1CD6DC3CFD2
• Base-36: PAFPC34I

Squares and roots of 1981821472722

• 1981821472722 squared (1981821472722²) is 3927616349741996990089284
• 1981821472722 cubed (1981821472722³) is 7783834418532690299632036055150511048
• The square root of 1981821472722 is 1407771.8113110519
• The cube root of 1981821472722 is 12560.9217427429

Scales and comparisons

• 1,981,821,472,722 seconds is equal to 63,015 years, 41 weeks, 1 day, 12 hours, 38 minutes, 42 seconds.
• To count from 1 to 1,981,821,472,722 would take you about one hundred fifty-seven thousand, five hundred thirty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1981821472722 cubic inches would be around 1046.7 feet tall.

Recreational maths with 1981821472722

• 1981821472722 backwards is 2272741281891
• 1981821472722 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1981821472722's digits is 54
• More coming soon!