21538425007008

Names of 21538425007008

• Cardinal: 21538425007008 can be written as Twenty-one trillion, five hundred thirty-eight billion, four hundred twenty-five million, seven thousand and eight.

Scientific notation

• Scientific notation: 2.1538425007008 × 10¹³

Factors of 21538425007008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 969

Divisors of 21538425007008

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 37 39 42 48 52 54 56 63 72 74 78 81 84 91 96 104 108 111 112 117 126 144 148 156 162 168 182 189 208 216 222 224 234 243 252 259 273 288 296 312 324 333 336 351 364 378 416 432 444 468 481 486 504 518 546 567 592 624 648 666 672 702 728 756 777 819 864 888 907 936 962 972 999 1008 1036 1053 1092 1134 1184 1248 1296 1332 1404 1443 1456 1512 1554 1638 1701 1776 1814 1872 1924 1944 1998 2016 2072 2106 2184 2268 2331 2457 2592 2664 2721 2808 2886 2912 2997 3024 3108 3159 3276 3367 3402 3552 3628 3744 3848 3888 3996 4144 4212 4329 4368 4536 4662 4914 5328 5442 5616 5772 5994 6048 6216 6318 6349 6552 6734 6804 6993 7256 7371 7696 7776 7992 8163 8288 8424 8658 8736 8991 9072 9324 9828 10101 10656 10884 11232 11544 11791 11988 12432 12636 12698 12987 13104 13468 13608 13986 14512 14742 15392 15984 16326 16848 17316 17982 18144 18648 19047 19656 20202 20979 21768 22113 23088 23582 23976 24489 24864 25272 25396 25974 26208 26936 27216 27972 29024 29484 30303 31968 32652 33559 33696 34632 35373 35964 37296 38094 38961 39312 40404 41958 43536 44226 46176 47164 47952 48978 50544 50792 51948 53872 54432 55944 57141 58968 60606 62937 65304 67118 69264 70746 71928 73467 74592 76188 77922 78624 80808 82537 83916 87072 88452 90909 94328 95904 97956 100677 101088 101584 103896 106119 107744 111888 114282 116883 117936 121212 125874 130608 134236 138528 141492 143856 146934 152376 155844 161616 165074 167832 171423 176904 181818 188656 195912 201354 203168 207792 212238 220401 223776 228564 233766 234913 235872 242424 247611 251748 261216 268472 272727 282984 287712 293868 302031 304752 311688 318357 323232 330148 335664 342846 353808 363636 377312 391824 402708 415584 424476 436267 440802 457128 467532 469826 484848 495222 503496 514269 536944 545454 565968 587736 604062 609504 623376 636714 660296 671328 685692 704739 707616 727272 742833 783648 805416 818181 822649 848952 872534 881604 906093 914256 935064 939652 955071 969696 990444 1006992 1028538 1073888 1090908 1131936 1175472 1208124 1246752 1273428 1308801 1320592 1371384 1409478 1454544 1485666 1542807 1610832 1636362 1645298 1697904 1745068 1763208 1812186 1828512 1870128 1879304 1910142 1980888 2013984 2057076 2114217 2181816 2228499 2350944 2416248 2467947 2546856 2617602 2641184 2718279 2742768 2818956 2865213 2909088 2971332 3053869 3085614 3221664 3272724 3290596 3395808 3490136 3526416 3624372 3740256 3758608 3820284 3926403 3961776 4114152 4228434 4363632 4456998 4832496 4935894 5093712 5235204 5436558 5485536 5637912 5730426 5758543 5942664 6107738 6171228 6342651 6545448 6581192 6685497 6980272 7052832 7248744 7403841 7517216 7640568 7852806 7923552 8154837 8228304 8456868 8727264 8913996 9161607 9664992 9871788 10187424 10470408 10694437 10873116 11275824 11460852 11517086 11779209 11885328 12215476 12342456 12685302 13090896 13162384 13370994 13960544 14497488 14807682 15281136 15705612 16309674 16456608 16913736 17275629 17827992 18323214 19027953 19743576 20056491 20940816 21388874 21746232 22211523 22551648 22921704 23034172 23558418 23770656 24430952 24684912 25370604 26181792 26324768 26741988 27484821 28994976 29615364 30438013 30562272 31411224 32083311 32619348 33827472 34551258 35337627 35655984 36646428 38055906 39487152 40112982 41881632 42777748 43492464 44423046 45843408 46068344 47116836 48861904 49369824 50741208 51826887 53483976 54969642 57083859 59230728 60876026 62822448 64166622 65238696 66634569 67654944 69102516 70675254 71311968 73292856 74861059 76111812 78974304 80225964 82454463 85555496 86984928 88846092 91314039 91686816 92136688 94233672 96249933 97723808 101482416 103653774 106012881 106967952 109939284 114167718 118461456 121752052 125644896 128333244 130477392 133269138 138205032 141350508 146585712 149722118 152223624 155480661 160451928 164908926 171110992 177692184 182628078 184273376 188467344 192499866 199903707 202964832 207307548 212025762 213066091 213935904 219878568 224583177 228335436 236922912 243504104 247363389 256666488 260954784 266538276 273942117 276410064 282701016 288749799 293171424 299444236 304447248 310961322 320903856 329817852 342221984 355384368 365256156 376934688 384999732 395694169 399807414 414615096 424051524 426132182 439757136 449166354 456670872 466441983 487008208 494726778 513332976 533076552 547884234 552820128 565402032 577499598 598888472 608894496 621922644 639198273 641807712 659635704 673749531 710768736 730512312 742090167 769999464 791388338 799614828 821826351 829230192 848103048 852264364 866249397 879514272 898332708 913341744 932883966 974016416 989453556 1026665952 1066153104 1095768468 1130804064 1154999196 1187082507 1197776944 1243845288 1278396546 1319271408 1347499062 1399325949 1461024624 1484180334 1539998928 1582776676 1599229656 1643652702 1658460384 1696206096 1704528728 1732498794 1796665416 1826683488 1865767932 1917594819 1978907112 2021248593 2132306208 2191536936 2309998392 2374165014 2395553888 2465479053 2487690576 2556793092 2598748191 2638542816 2694998124 2769859183 2798651898 2922049248 2968360668 3079997856 3165553352 3198459312 3287305404 3392412192 3409057456 3464997588 3561247521 3593330832 3731535864 3835189638 3957814224 4042497186 4383073872 4619996784 4748330028 4930958106 4975381152 5113586184 5197496382 5389996248 5539718366 5597303796 5752784457 5936721336 6063745779 6331106704 6396918624 6574610808 6818114912 6929995176 7122495042 7186661664 7396437159 7463071728 7670379276 7915628448 8084994372 8309577549 8766147744 9239993568 9496660056 9861916212 10227172368 10394992764 10683742563 10779992496 11079436732 11194607592 11505568914 11873442672 12127491558 12662213408 13149221616 13859990352 14244990084 14792874318 14926143456 15340758552 16169988744 16619155098 17258353371 18191237337 18993320112 19723832424 20454344736 20789985528 21367485126 21559984992 22158873464 22389215184 23011137828 23746885344 24254983116 24928732647 26298443232 27719980704 28489980168 29585748636 30681517104 32051227689 32339977488 33238310196 34516706742 36382474674 37986640224 39447664848 41579971056 42734970252 44317746928 44778430368 46022275656 48509966232 49857465294 51775060113 56979960336 59171497272 61363034208 64102455378 64679954976 66476620392 69033413484 72764949348 74786197941 78895329696 83159942112 85469940504 88635493856 92044551312 96153683067 97019932464 99714930588 103550120226 113959920672 118342994544 128204910756 132953240784 138066826968 145529898696 149572395882 170939881008 184089102624 192307366134 194039864928 199429861176 207100240452 224358593823 236685989088 256409821512 265906481568 276133653936 291059797392 299144791764 341879762016 384614732268 398859722352 414200480904 448717187646 512819643024 552267307872 582119594784 598289583528 673075781469 769229464536 797719444704 828400961808 897434375292 1025639286048 1196579167056 1346151562938 1538458929072 1656801923616 1794868750584 2393158334112 2692303125876 3076917858144 3589737501168 5384606251752 7179475002336 10769212503504 21538425007008
• Sum of all divisors σ(n): 80378003631744
• Sum of proper divisors (its aliquot sum) s(n): 58839578624736
• 21538425007008 is an abundant number, because the sum of its proper divisors (58839578624736) is greater than itself. Its abundance is 37301153617728

Bases of 21538425007008

• Binary: 100111001011011001110001010111110101110100000₂
• Hexadecimal: 0x1396CE2BEBA0
• Base-36: 7MUM65600

Squares and roots of 21538425007008

• 21538425007008 squared (21538425007008²) is 463903751782507564849112064
• 21538425007008 cubed (21538425007008³) is 9991756168237192989927049521521777344512
• The square root of 21538425007008 is 4640950.8731517509
• The cube root of 21538425007008 is 27823.0443153371

Scales and comparisons

• 21,538,425,007,008 seconds is equal to 684,855 years, 15 weeks, 1 day, 11 hours, 16 minutes, 48 seconds.
• To count from 1 to 21,538,425,007,008 would take you about one million, seven hundred twelve thousand, one hundred thirty-eight 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 21538425007008 cubic inches would be around 2318.6 feet tall.

Recreational maths with 21538425007008

• 21538425007008 backwards is 80070052483512
• The number of decimal digits it has is: 14
• The sum of 21538425007008's digits is 45
• More coming soon!