19797891491840

Names of 19797891491840

• Cardinal: 19797891491840 can be written as Nineteen trillion, seven hundred ninety-seven billion, eight hundred ninety-one million, four hundred ninety-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.979789149184 × 10¹³

Factors of 19797891491840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1632

Divisors of 19797891491840

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 41 44 55 56 64 70 77 80 82 88 110 112 128 140 154 160 164 176 205 220 224 256 280 287 308 320 328 352 385 410 440 448 451 512 560 574 616 640 656 704 757 770 809 820 880 896 902 1024 1120 1148 1232 1280 1312 1408 1435 1514 1540 1618 1640 1760 1792 1804 2048 2240 2255 2296 2464 2560 2624 2816 2870 3028 3080 3157 3236 3280 3520 3584 3608 3785 4045 4480 4510 4592 4928 5120 5248 5299 5632 5663 5740 6056 6160 6314 6472 6560 7040 7168 7216 7570 8090 8327 8899 8960 9020 9184 9856 10240 10496 10598 11264 11326 11480 12112 12320 12628 12944 13120 14080 14336 14432 15140 15785 16180 16654 17798 17920 18040 18368 19712 20992 21196 22528 22652 22960 24224 24640 25256 25888 26240 26495 28160 28315 28864 30280 31037 31570 32360 33169 33308 35596 35840 36080 36736 39424 41635 41984 42392 44495 45304 45920 48448 49280 50512 51776 52480 52990 56320 56630 57728 58289 60560 62074 62293 63140 64720 66338 66616 71192 71680 72160 73472 78848 83270 83968 84784 88990 90608 91840 96896 98560 101024 103552 104960 105980 112640 113260 115456 116578 121120 124148 124586 126280 129440 132676 133232 142384 144320 146944 155185 157696 165845 166540 169568 177980 181216 183680 193792 197120 202048 207104 209920 211960 217259 226520 230912 232183 233156 242240 248296 249172 252560 258880 265352 266464 284768 288640 291445 293888 310370 311465 331690 333080 339136 341407 355960 362432 364859 367360 387584 394240 404096 414208 419840 423920 434518 453040 461824 464366 466312 484480 496592 498344 505120 517760 530704 532928 569536 577280 582890 587776 612413 620740 622930 663380 666160 678272 682814 711920 724864 729718 734720 775168 788480 808192 828416 847840 869036 906080 923648 928732 932624 968960 993184 996688 1010240 1035520 1061408 1065856 1086295 1139072 1154560 1160915 1165780 1224826 1241480 1245860 1326760 1332320 1356544 1365628 1423840 1449728 1459436 1469440 1550336 1616384 1656832 1695680 1707035 1738072 1812160 1824295 1857464 1865248 1937920 1986368 1993376 2020480 2071040 2122816 2131712 2172590 2278144 2309120 2321830 2331560 2389849 2449652 2482960 2491720 2554013 2653520 2664640 2713088 2731256 2847680 2899456 2918872 2938880 3062065 3232768 3391360 3414070 3476144 3624320 3648590 3714928 3730496 3875840 3972736 3986752 4040960 4142080 4245632 4263424 4286891 4345180 4556288 4618240 4643660 4663120 4779698 4899304 4965920 4983440 5108026 5307040 5329280 5426176 5462512 5695360 5798912 5837744 6124130 6465536 6736543 6782720 6828140 6952288 7248640 7297180 7429856 7460992 7751680 7945472 7973504 8081920 8284160 8491264 8526848 8573782 8690360 9112576 9287320 9326240 9559396 9798608 9931840 9966880 10216052 10614080 10658560 10852352 10925024 11390720 11597824 11675488 11949245 12248260 12770065 13473086 13565440 13656280 13904576 14497280 14594360 14859712 14921984 15890944 15947008 16163840 16982528 17053696 17147564 17380720 18225152 18574640 18652480 19118792 19597216 19863680 19933760 20432104 21228160 21317120 21434455 21850048 22781440 23350976 23898490 24496520 25108933 25540130 26946172 27130880 27312560 27809152 28994560 29188720 29719424 29843968 31781888 31894016 32327680 33682715 33965056 34295128 34761440 37149280 37304960 38237584 39194432 39727360 39867520 40864208 42456320 42634240 42868910 43700096 45562880 46701952 47155801 47796980 48993040 50217866 51080260 53892344 54261760 54625120 55618304 57989120 58377440 59438848 59687936 63563776 63788032 67365430 67930112 68590256 69522880 74298560 74609920 76475168 78388864 79454720 79735040 81728416 84912640 85268480 85737820 87400192 91125760 93403904 94311602 95593960 97986080 100435732 102160520 107784688 109250240 111236608 116754880 118877696 119375872 125544665 127576064 134730860 137180512 139045760 148597120 149219840 152950336 156777728 158909440 159470080 163456832 169825280 171475640 174800384 175762531 186807808 188623204 191187920 195972160 200871464 204321040 215569376 218500480 222473216 233509760 235779005 237755392 251089330 269461720 274361024 276198263 278091520 297194240 298439680 305900672 313555456 317818880 318940160 326913664 339650560 342951280 349600768 351525062 373615616 377246408 382375840 391944320 401742928 408642080 431138752 437000960 444946432 467019520 471558010 475510784 502178660 538923440 548722048 552396526 556183040 594388480 596879360 611801344 627110912 637880320 653827328 685902560 699201536 703050124 747231232 754492816 764751680 783888640 803485856 817284160 862277504 874001920 878812655 934039040 943116020 1004357320 1077846880 1097444096 1104793052 1112366080 1188776960 1223602688 1254221824 1307654656 1371805120 1380991315 1406100248 1508985632 1529503360 1567777280 1606971712 1634568320 1724555008 1748003840 1757625310 1868078080 1886232040 1933387841 2008714640 2155693760 2194888192 2209586104 2224732160 2377553920 2447205376 2615309312 2743610240 2761982630 2812200496 3017971264 3059006720 3135554560 3213943424 3269136640 3449110016 3496007680 3515250620 3736156160 3772464080 3866775682 4017429280 4311387520 4389776384 4419172208 4894410752 5230618624 5487220480 5523965260 5624400992 6035942528 6118013440 6271109120 6427886848 6538273280 6898220032 7030501240 7544928160 7733551364 8034858560 8622775040 8779552768 8838344416 9666939205 10974440960 11047930520 11248801984 12071885056 12236026880 12855773696 13076546560 13796440064 14061002480 15089856320 15467102728 16069717120 17245550080 17676688832 19333878410 21948881920 22095861040 22497603968 24143770112 24472053760 25711547392 26153093120 28122004960 30179712640 30934205456 32139434240 34491100160 35353377664 38667756820 43897763840 44191722080 44995207936 48287540224 51423094784 56244009920 60359425280 61868410912 64278868480 68982200320 70706755328 77335513640 88383444160 89990415872 96575080448 112488019840 120718850560 123736821824 128557736960 141413510656 154671027280 176766888320 179980831744 224976039680 241437701120 247473643648 257115473920 282827021312 309342054560 353533776640 359961663488 449952079360 482875402240 494947287296 565654042624 618684109120 707067553280 899904158720 989894574592 1237368218240 1414135106560 1799808317440 1979789149184 2474736436480 2828270213120 3959578298368 4949472872960 9898945745920 19797891491840
• Sum of all divisors σ(n): 60824690035200
• Sum of proper divisors (its aliquot sum) s(n): 41026798543360
• 19797891491840 is an abundant number, because the sum of its proper divisors (41026798543360) is greater than itself. Its abundance is 21228907051520

Bases of 19797891491840

• Binary: 100100000000110001110010010100010100000000000₂
• Hexadecimal: 0x12018E4A2800
• Base-36: 70N0XFEGW

Squares and roots of 19797891491840

• 19797891491840 squared (19797891491840²) is 391956507522670660786585600
• 19797891491840 cubed (19797891491840³) is 7759912405454402431101133772243861504000
• The square root of 19797891491840 is 4449482.1599642357
• The cube root of 19797891491840 is 27052.4319478087

Scales and comparisons

• 19,797,891,491,840 seconds is equal to 629,511 years, 36 weeks, 6 days, 15 hours, 17 minutes, 20 seconds.
• To count from 1 to 19,797,891,491,840 would take you about one million, five hundred seventy-three thousand, seven hundred seventy-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 19797891491840 cubic inches would be around 2254.4 feet tall.

Recreational maths with 19797891491840

• 19797891491840 backwards is 04819419879791
• 19797891491840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 19797891491840's digits is 77
• More coming soon!