1638239493408

Names of 1638239493408

• Cardinal: 1638239493408 can be written as One trillion, six hundred thirty-eight billion, two hundred thirty-nine million, four hundred ninety-three thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.638239493408 × 10¹²

Factors of 1638239493408

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 103512

Divisors of 1638239493408

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 19 21 24 28 32 34 38 42 48 51 56 57 68 73 76 84 96 102 112 114 119 133 136 146 152 168 204 219 224 228 238 266 272 292 304 323 336 357 399 408 438 456 476 511 532 544 584 608 646 672 714 798 816 876 912 952 969 1022 1064 1168 1241 1292 1387 1428 1533 1596 1632 1752 1824 1904 1938 2044 2128 2261 2336 2482 2584 2774 2856 3066 3192 3504 3723 3808 3876 4088 4161 4256 4522 4964 5168 5548 5712 6132 6384 6783 7008 7446 7752 8176 8322 8687 9044 9709 9928 10336 11096 11424 12264 12768 13566 14892 15504 16352 16644 17374 18088 19418 19856 22192 23579 24528 26061 27132 29127 29784 31008 33288 34748 36176 38836 39712 44384 47158 49056 52122 54264 58254 59568 66576 69496 70737 72352 77672 94316 103391 104244 108528 116508 119136 133152 138992 141474 155344 165053 188632 206782 208488 217056 233016 277984 282948 310173 310688 330106 377264 413564 416976 466032 495159 565896 620346 660212 723737 754528 827128 833952 932064 990318 1131792 1240692 1320424 1447474 1654256 1757647 1964429 1980636 2171211 2263584 2481384 2640848 2894948 3308512 3515294 3928858 3961272 4342422 4962768 5272941 5281696 5789896 5893287 7030588 7547543 7857716 7922544 8684844 9925536 10545882 11579792 11786574 12303529 13751003 14061176 15095086 15715432 15845088 17369688 21091764 22642629 23159584 23573148 24607058 27502006 28122352 30190172 31430864 33395293 34739376 36910587 41253009 42183528 45285258 47146296 49214116 52832801 55004012 56244704 60380344 62861728 66790586 69478752 73821174 82506018 84367056 90570516 94292592 98428232 100185879 105665602 110008024 120760688 128308231 133581172 143403317 147642348 158498403 165012036 168734112 181141032 188585184 196856464 200371758 211331204 220016048 233767051 241521376 256616462 267162344 286806634 295284696 316996806 330024072 362282064 384924693 393712928 400743516 422662408 430209951 440032096 467534102 513232924 534324688 573613268 590569392 633993612 660048144 701301153 724564128 769849386 801487032 845324816 860419902 898157617 935068204 1003823219 1026465848 1068649376 1147226536 1181138784 1267987224 1320096288 1402602306 1539698772 1602974064 1690649632 1720839804 1796315234 1870136408 2007646438 2052931696 2294453072 2437856389 2535974448 2694472851 2805204612 3011469657 3079397544 3205948128 3441679608 3592630468 3740272816 4015292876 4105863392 4588906144 4875712778 5071948896 5388945702 5610409224 6022939314 6158795088 6883359216 7185260936 7313569167 7480545632 8030585752 9751425556 10777891404 11220818448 12045878628 12317590176 13766718432 14370521872 14627138334 16061171504 17064994723 19502851112 21555782808 22441636896 24091757256 28741043744 29254276668 32122343008 34129989446 39005702224 43111565616 48183514512 51194984169 58508553336 68259978892 78011404448 86223131232 96367029024 102389968338 117017106672 136519957784 204779936676 234034213344 273039915568 409559873352 546079831136 819119746704 1638239493408
• Sum of all divisors σ(n): 5552795566080
• Sum of proper divisors (its aliquot sum) s(n): 3914556072672
• 1638239493408 is an abundant number, because the sum of its proper divisors (3914556072672) is greater than itself. Its abundance is 2276316579264

Bases of 1638239493408

• Binary: 10111110101101110101011101101110100100000₂
• Hexadecimal: 0x17D6EAEDD20
• Base-36: KWLHHV6O

Squares and roots of 1638239493408

• 1638239493408 squared (1638239493408²) is 2683828637761700475454464
• 1638239493408 cubed (1638239493408³) is 4396754067920610925933153841932173312
• The square root of 1638239493408 is 1279937.3005768681
• The cube root of 1638239493408 is 11788.5158147567

Scales and comparisons

• 1,638,239,493,408 seconds is equal to 52,090 years, 49 weeks, 2 days, 5 hours, 56 minutes, 48 seconds.
• To count from 1 to 1,638,239,493,408 would take you about one hundred thirty thousand, two hundred twenty-seven 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 1638239493408 cubic inches would be around 982.4 feet tall.

Recreational maths with 1638239493408

• 1638239493408 backwards is 8043949328361
• The number of decimal digits it has is: 13
• The sum of 1638239493408's digits is 60
• More coming soon!