420821900928

Names of 420821900928

• Cardinal: 420821900928 can be written as Four hundred twenty billion, eight hundred twenty-one million, nine hundred thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 4.20821900928 × 10¹¹

Factors of 420821900928

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1610

Divisors of 420821900928

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 29 32 33 36 39 44 48 52 58 59 64 66 72 78 87 88 96 99 104 116 117 118 128 132 143 144 156 174 176 177 192 198 208 232 234 236 261 264 286 288 312 319 348 352 354 377 384 396 416 429 464 468 472 522 528 531 572 576 624 638 649 696 704 708 754 767 792 832 858 928 936 944 957 1044 1056 1062 1131 1144 1152 1248 1276 1287 1298 1392 1408 1416 1493 1508 1534 1584 1664 1711 1716 1856 1872 1888 1914 1947 2088 2112 2124 2262 2288 2301 2496 2552 2574 2596 2784 2832 2871 2986 3016 3068 3168 3393 3422 3432 3712 3744 3776 3828 3894 4147 4176 4224 4248 4479 4524 4576 4602 4992 5104 5133 5148 5192 5568 5664 5742 5841 5972 6032 6136 6336 6786 6844 6864 6903 7488 7552 7656 7788 8294 8352 8437 8496 8958 9048 9152 9204 10208 10266 10296 10384 11136 11328 11484 11682 11944 12064 12272 12441 12672 13437 13572 13688 13728 13806 14976 15312 15399 15576 16423 16588 16704 16874 16992 17916 18096 18304 18408 18821 19409 20416 20532 20592 20768 22243 22656 22968 23364 23888 24128 24544 24882 25311 26874 27144 27376 27456 27612 30624 30798 31152 32846 33176 33408 33748 33984 35832 36192 36816 37323 37642 38818 40832 41064 41184 41536 43297 44486 45936 46728 47776 48256 49088 49269 49764 50622 53748 54288 54752 54912 55224 56463 58227 61248 61596 62304 65692 66352 66729 67496 67968 71664 72384 73632 74646 75284 75933 77636 82128 82368 83072 86594 88087 88972 91872 93456 95552 98176 98538 99528 101244 107496 108576 109504 110448 112926 116454 122496 123192 124608 129891 131384 132704 133458 134992 143328 144768 147264 147807 149292 150568 151866 155272 164256 164736 169389 173188 174681 176174 177944 183744 186912 191104 197076 199056 200187 202488 213499 214992 217152 219008 220896 225852 232908 244673 246384 249216 259782 262768 264261 265408 266916 269984 286656 294528 295614 298584 301136 303732 310544 328512 338778 346376 349362 352348 355888 367488 373824 389673 394152 398112 400374 404976 426998 429984 434304 441792 451704 465816 476267 489346 492768 519564 525536 528522 530816 533832 539968 562861 573312 591228 597168 602272 607464 621088 640497 657024 677556 692752 698724 704696 711776 734019 747648 779346 788304 792783 796224 800748 809952 853996 859968 883584 903408 931632 952534 968957 978692 985536 1039128 1051072 1057044 1067664 1079936 1125722 1145131 1182456 1194336 1204544 1214928 1242176 1280994 1355112 1385504 1397448 1409392 1423552 1428801 1468038 1558692 1576608 1585566 1592448 1601496 1619904 1688583 1707992 1719936 1806816 1863264 1905068 1921491 1937914 1957384 1971072 2078256 2102144 2114088 2135328 2202057 2251444 2290262 2364912 2388672 2409088 2429856 2484352 2554523 2561988 2710224 2771008 2794896 2818784 2847104 2857602 2906871 2936076 3117384 3153216 3171132 3202992 3239808 3377166 3415984 3435393 3613632 3726528 3810136 3842982 3875828 3914768 4156512 4228176 4270656 4286403 4404114 4502888 4580524 4729824 4777344 4859712 5065749 5109046 5123976 5420448 5542016 5589792 5637568 5715204 5813742 5872152 6191471 6234768 6306432 6342264 6405984 6754332 6831968 6870786 7227264 7453056 7620272 7663569 7685964 7751656 7829536 8313024 8456352 8541312 8572806 8720613 8808228 9005776 9161048 9459648 9719424 10131498 10218092 10247952 10306179 10840896 11179584 11275136 11430408 11627484 11744304 12382942 12469536 12596441 12684528 12811968 13508664 13663936 13741572 15240544 15327138 15371928 15503312 15659072 16626048 16912704 17145612 17441226 17616456 18011552 18322096 18574413 18919296 20262996 20436184 20495904 20612358 21681792 22359168 22860816 22990707 23254968 23488608 24765884 24939072 25192882 25369056 25623936 27017328 27327872 27483144 28099753 30481088 30654276 30743856 31006624 31318144 33208799 33825408 34291224 34882452 35232912 36023104 36644192 37148826 37789323 40525992 40872368 40991808 41224716 45721632 45981414 46509936 46977216 49531768 49878144 50385764 50738112 54034656 54966288 55723239 56199506 60962176 61308552 61487712 62013248 66417598 68582448 69764904 70465824 72046208 73288384 74297652 75578646 81051984 81744736 81983616 82449432 84299259 91443264 91962828 93019872 93954432 99063536 99626397 100771528 101476224 108069312 109932576 111446478 112399012 113367969 122617104 122975424 124026496 132835196 137164896 139529808 140931648 146576768 148595304 151157292 162103968 163489472 164898864 168598518 182886528 183925656 186039744 198127072 199252794 201543056 216138624 219865152 222892956 224798024 226735938 245234208 245950848 252897777 265670392 274329792 279059616 281863296 297190608 298879191 302314584 324207936 326978944 329797728 337197036 365296789 367851312 372079488 396254144 398505588 403086112 439730304 445785912 449596048 453471876 490468416 505795554 531340784 548659584 558119232 594381216 597758382 604629168 648415872 659595456 674394072 730593578 735702624 792508288 797011176 806172224 891571824 899192096 906943752 980936832 1011591108 1062681568 1095890367 1116238464 1188762432 1195516764 1209258336 1319190912 1348788144 1461187156 1471405248 1594022352 1612344448 1783143648 1798384192 1813887504 2023182216 2125363136 2191780734 2377524864 2391033528 2418516672 2697576288 2922374312 2942810496 3188044704 3287671101 3566287296 3596768384 3627775008 4046364432 4250726272 4383561468 4782067056 4837033344 5395152576 5844748624 6376089408 6575342202 7132574592 7255550016 8092728864 8767122936 9564134112 10790305152 11689497248 12752178816 13150684404 14511100032 16185457728 17534245872 19128268224 23378994496 26301368808 32370915456 35068491744 38256536448 46757988992 52602737616 70136983488 105205475232 140273966976 210410950464 420821900928
• Sum of all divisors σ(n): 1497669264000
• Sum of proper divisors (its aliquot sum) s(n): 1076847363072
• 420821900928 is an abundant number, because the sum of its proper divisors (1076847363072) is greater than itself. Its abundance is 656025462144

Bases of 420821900928

• Binary: 110000111111010111100001001111010000000₂
• Hexadecimal: 0x61FAF09E80
• Base-36: 5DBMHSW0

Squares and roots of 420821900928

• 420821900928 squared (420821900928²) is 177091072300655447261184
• 420821900928 cubed (420821900928³) is 74523801682939711656809502187978752
• The square root of 420821900928 is 648707.8702528587
• The cube root of 420821900928 is 7493.7542130365

Scales and comparisons

• 420,821,900,928 seconds is equal to 13,380 years, 43 weeks, 2 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 420,821,900,928 would take you about twenty-six thousand, seven hundred sixty-one 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 420821900928 cubic inches would be around 624.5 feet tall.

Recreational maths with 420821900928

• 420821900928 backwards is 829009128024
• The number of decimal digits it has is: 12
• The sum of 420821900928's digits is 45
• More coming soon!