20439372492

Names of 20439372492

• Cardinal: 20439372492 can be written as Twenty billion, four hundred thirty-nine million, three hundred seventy-two thousand, four hundred ninety-two.

Scientific notation

• Scientific notation: 2.0439372492 × 10¹⁰

Factors of 20439372492

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 168

Divisors of 20439372492

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 29 33 36 42 43 44 54 58 63 66 73 77 81 84 86 87 99 108 116 126 129 132 146 154 162 172 174 189 198 203 219 231 243 252 258 261 292 297 301 308 319 324 348 378 387 396 406 438 462 473 486 511 516 522 567 594 602 609 638 657 693 729 756 774 783 803 812 876 891 903 924 946 957 972 1022 1044 1134 1161 1188 1204 1218 1247 1276 1314 1386 1419 1458 1533 1548 1566 1606 1701 1782 1806 1827 1892 1914 1971 2044 2079 2117 2233 2268 2322 2349 2409 2436 2494 2628 2673 2709 2772 2838 2871 2916 3066 3132 3139 3212 3311 3402 3483 3564 3612 3654 3741 3828 3942 4158 4234 4257 4466 4599 4644 4698 4818 4988 5103 5346 5418 5481 5621 5676 5742 5913 6132 6237 6278 6351 6622 6699 6804 6966 7047 7227 7308 7482 7884 8019 8127 8316 8468 8514 8613 8729 8932 9198 9396 9417 9636 9933 10206 10449 10692 10836 10962 11223 11242 11484 11826 12474 12556 12702 12771 13244 13398 13717 13797 13932 14094 14454 14819 14964 16038 16254 16443 16863 17028 17226 17458 17739 18396 18711 18834 19053 19866 20097 20412 20898 21141 21681 21924 21973 22446 22484 23287 23652 24381 24948 25404 25542 25839 26187 26796 27434 27594 28188 28251 28908 29638 29799 31347 32076 32508 32886 33669 33726 34452 34529 34916 35478 37422 37668 38106 38313 39732 40194 41151 41391 41796 42282 43362 43946 44457 44892 46574 48762 49329 50589 51084 51678 52374 53217 54868 55188 56133 56502 57159 59276 59598 60291 62694 65043 65772 65919 67338 67452 69058 69861 70956 73143 74844 76212 76626 77517 78561 80388 82302 82782 84564 84753 86724 87892 88914 89397 91031 93148 96019 97524 98658 101007 101178 103356 103587 104748 106434 112266 113004 114318 114939 119196 120582 123453 124173 125388 130086 131838 133371 134676 138116 139722 146286 147987 151767 153252 155034 157122 163009 164604 165564 169506 171477 177828 178794 180873 182062 192038 195129 197316 197757 202014 202356 207174 209583 212868 219429 224532 228636 229878 232551 235683 241164 241703 246906 248346 254259 260172 263676 266742 268191 273093 279444 288057 292572 295974 303021 303534 310068 310761 314244 326018 339012 342954 344817 357588 361746 364124 370359 372519 384076 390258 395514 400113 404028 414348 419166 438858 455301 459756 465102 471366 483406 489027 493812 496692 508518 514431 533484 536382 542619 546186 576114 585387 591948 593271 606042 607068 621522 628749 637217 652036 685908 689634 707049 723492 725109 740718 745038 762777 780516 791028 800226 804573 819279 838332 864171 877716 909063 910602 930204 932283 942732 966812 978054 1001341 1017036 1028862 1072764 1085238 1092372 1111077 1152228 1170774 1186542 1200339 1212084 1243044 1257498 1274434 1365903 1379268 1414098 1450218 1467081 1481436 1490076 1525554 1543293 1600452 1609146 1627857 1638558 1728342 1779813 1818126 1821204 1864566 1886247 1911651 1956108 2002682 2057724 2121147 2170476 2175327 2222154 2288331 2341548 2373084 2400678 2413719 2457837 2514996 2548868 2592513 2731806 2796849 2828196 2900436 2934162 3004023 3051108 3086586 3218292 3255714 3277116 3333231 3456684 3559626 3601017 3636252 3729132 3772494 3823302 4005364 4097709 4242294 4350654 4401243 4444308 4576662 4801356 4827438 4915674 5185026 5339439 5463612 5593698 5658741 5734953 5868324 6008046 6173172 6363441 6511428 6525981 6666462 7009387 7119252 7202034 7373511 7544988 7646604 7777539 8195418 8390547 8484588 8701308 8802486 9012069 9153324 9654876 9831348 9999693 10370052 10678878 10803051 11187396 11317482 11469906 12016092 12726882 13051962 13203729 13332924 14018774 14404068 14747022 15555078 16018317 16390836 16781094 16976223 17204859 17604972 18024138 19577943 19999386 21028161 21357756 21606102 22120533 22634964 22939812 23332617 25171641 25453764 26103924 26407458 27036207 28037548 29494044 31110156 32036634 33562188 33952446 34409718 36048276 39155886 39611187 39998772 42056322 43212204 44241066 46665234 50343282 51614577 52814916 54072414 58733829 63084483 64073268 66361599 67904892 68819436 69997851 78311772 79222374 81108621 84112644 88482132 93330468 100686564 103229154 108144828 117467658 118833561 126168966 132723198 139995702 154843731 158444748 162217242 176201487 189253449 206458308 234935316 237667122 243325863 252337932 265446396 279991404 309687462 324434484 352402974 378506898 464531193 475334244 486651726 567760347 619374924 704805948 729977589 757013796 929062386 973303452 1135520694 1459955178 1703281041 1858124772 2271041388 2919910356 3406562082 5109843123 6813124164 10219686246 20439372492
• Sum of all divisors σ(n): 71745569280
• Sum of proper divisors (its aliquot sum) s(n): 51306196788
• 20439372492 is an abundant number, because the sum of its proper divisors (51306196788) is greater than itself. Its abundance is 30866824296

Bases of 20439372492

• Binary: 10011000010010010000001001011001100₂
• Hexadecimal: 0x4C24812CC
• Base-36: 9E12OR0

Squares and roots of 20439372492

• 20439372492 squared (20439372492²) is 417767947866726290064
• 20439372492 cubed (20439372492³) is 8538914701666455415227334519488
• The square root of 20439372492 is 142966.3334215437
• The cube root of 20439372492 is 2734.1511487741

Scales and comparisons

• 20,439,372,492 seconds is equal to 649 years, 47 weeks, 1 day, 19 hours, 28 minutes, 12 seconds.
• To count from 1 to 20,439,372,492 would take you about one thousand, two hundred ninety-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 20439372492 cubic inches would be around 227.8 feet tall.

Recreational maths with 20439372492

• 20439372492 backwards is 29427393402
• The number of decimal digits it has is: 11
• The sum of 20439372492's digits is 45
• More coming soon!