400893488640

Names of 400893488640

• Cardinal: 400893488640 can be written as Four hundred billion, eight hundred ninety-three million, four hundred eighty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.0089348864 × 10¹¹

Factors of 400893488640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 44551

Divisors of 400893488640

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 23 24 30 32 34 36 40 45 46 48 51 60 64 68 69 72 80 85 90 92 96 102 115 120 128 136 138 144 153 160 170 180 184 192 204 207 230 240 255 256 272 276 288 306 320 340 345 360 368 384 391 408 414 460 480 510 512 544 552 576 612 640 680 690 720 736 765 768 782 816 828 920 960 1020 1035 1088 1104 1152 1173 1224 1280 1360 1380 1440 1472 1530 1536 1564 1632 1656 1840 1920 1955 2040 2070 2176 2208 2304 2346 2448 2560 2720 2760 2880 2944 3060 3128 3264 3312 3519 3680 3840 3910 4080 4140 4352 4416 4608 4692 4896 5440 5520 5760 5865 5888 6120 6256 6528 6624 7038 7360 7680 7820 8160 8280 8704 8832 9384 9792 10880 11040 11520 11730 11776 12240 12512 13056 13248 14076 14720 15640 16320 16560 17595 17664 18768 19584 21760 22080 23040 23460 24480 25024 26112 26496 28152 29440 31280 32640 33120 35190 35328 37536 39168 43520 44160 44501 46920 48960 50048 52992 56304 58880 62560 65280 66240 70380 75072 78336 88320 89002 93840 97920 100096 105984 112608 125120 130560 132480 133503 140760 150144 176640 178004 187680 195840 200192 222505 225216 250240 264960 267006 281520 300288 356008 375360 391680 400509 445010 450432 500480 529920 534012 563040 600576 667515 712016 750720 756517 801018 890020 900864 1000960 1023523 1068024 1126080 1335030 1424032 1501440 1513034 1602036 1780040 1801728 2002545 2047046 2136048 2252160 2269551 2670060 2848064 3002880 3026068 3070569 3204072 3560080 3782585 4005090 4094092 4272096 4504320 4539102 5117615 5340120 5696128 6052136 6141138 6408144 6808653 7120160 7565170 8010180 8188184 8544192 9008640 9078204 9211707 10235230 10680240 11347755 11392256 12104272 12282276 12816288 13617306 14240320 15130340 15352845 16020360 16376368 17088384 17399891 18156408 18423414 20470460 21360480 22695510 22784512 24208544 24564552 25632576 27234612 28480640 30260680 30705690 32040720 32752736 34043265 34176768 34799782 36312816 36846828 40940920 42720960 45391020 46058535 48417088 49129104 51265152 52199673 54469224 56961280 60521360 61411380 64081440 65505472 68086530 68353536 69599564 72625632 73693656 81881840 85441920 86999455 90782040 92117070 96834176 98258208 102530304 104399346 108938448 113922560 121042720 122822760 128162880 131010944 136173060 139199128 145251264 147387312 156599019 163763680 170883840 173998910 181564080 184234140 193668352 196516416 205060608 208798692 217876896 242085440 245645520 256325760 260998365 262021888 272346120 278398256 290502528 294774624 313198038 327527360 341767680 347997820 363128160 368468280 387336704 393032832 417597384 435753792 484170880 491291040 512651520 521996730 524043776 544692240 556796512 581005056 589549248 626396076 655054720 695995640 726256320 736936560 782995095 786065664 835194768 871507584 968341760 982582080 1025303040 1043993460 1089384480 1113593024 1162010112 1179098496 1252792152 1310109440 1391991280 1452512640 1473873120 1565990190 1572131328 1670389536 1743015168 1936683520 1965164160 2087986920 2178768960 2227186048 2358196992 2505584304 2620218880 2783982560 2905025280 2947746240 3131980380 3340779072 3486030336 3930328320 4175973840 4357537920 4454372096 4716393984 5011168608 5567965120 5810050560 5895492480 6263960760 6681558144 7860656640 8351947680 8715075840 8908744192 10022337216 11135930240 11790984960 12527921520 13363116288 16703895360 17430151680 20044674432 22271860480 23581969920 25055843040 26726232576 33407790720 40089348864 44543720960 50111686080 66815581440 80178697728 100223372160 133631162880 200446744320 400893488640
• Sum of all divisors σ(n): 1534028798016
• Sum of proper divisors (its aliquot sum) s(n): 1133135309376
• 400893488640 is an abundant number, because the sum of its proper divisors (1133135309376) is greater than itself. Its abundance is 732241820736

Bases of 400893488640

• Binary: 101110101010111000111010010111000000000₂
• Hexadecimal: 0x5D571D2E00
• Base-36: 5461MRK0

Squares and roots of 400893488640

• 400893488640 squared (400893488640²) is 160715589233949809049600
• 400893488640 cubed (400893488640³) is 64429833246831364076555986796544000
• The square root of 400893488640 is 633161.5028095123
• The cube root of 400893488640 is 7373.5449847157

Scales and comparisons

• 400,893,488,640 seconds is equal to 12,747 years, 8 weeks, 6 days, 22 hours, 24 minutes.
• To count from 1 to 400,893,488,640 would take you about twenty-five thousand, four hundred ninety-four 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 400893488640 cubic inches would be around 614.5 feet tall.

Recreational maths with 400893488640

• 400893488640 backwards is 046884398004
• The number of decimal digits it has is: 12
• The sum of 400893488640's digits is 54
• More coming soon!