28404433728

Names of 28404433728

• Cardinal: 28404433728 can be written as Twenty-eight billion, four hundred four million, four hundred thirty-three thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8404433728 × 10¹⁰

Factors of 28404433728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 272

Divisors of 28404433728

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 29 32 33 36 44 48 54 58 64 66 72 87 88 96 99 108 116 132 144 174 176 192 198 216 227 232 261 264 288 297 319 348 352 396 432 454 464 522 528 576 594 638 681 696 704 783 792 864 908 928 957 1044 1056 1188 1276 1362 1392 1566 1584 1728 1816 1856 1914 2043 2088 2112 2376 2497 2552 2724 2784 2871 3132 3168 3632 3828 4086 4176 4752 4994 5104 5448 5568 5742 6129 6264 6336 6583 7264 7491 7656 8172 8352 8613 9504 9988 10208 10896 11484 12258 12528 13166 14528 14982 15312 16344 16704 17226 19008 19749 19976 20416 21792 22473 22968 24516 25056 26332 29964 30624 32688 34452 39498 39952 43584 44946 45936 49032 50112 51529 52664 59247 59928 61248 65376 67419 68904 72413 78996 79904 89892 91872 98064 103058 105328 118494 119856 130752 134838 137808 144826 154587 157992 159808 177741 179784 183744 196128 206116 210656 217239 236988 239712 269676 275616 289652 309174 315984 355482 359568 392256 412232 421312 434478 463761 473976 479424 539352 551232 566819 579304 618348 631968 651717 710964 719136 824464 868956 927522 947952 1078704 1133638 1158608 1236696 1263936 1303434 1391283 1421928 1438272 1494341 1648928 1700457 1737912 1855044 1895904 1955151 2157408 2267276 2317216 2473392 2606868 2782566 2843856 2988682 3297856 3400914 3475824 3710088 3791808 3910302 4314816 4483023 4534552 4634432 4946784 5101371 5213736 5565132 5687712 5977364 6801828 6951648 7420176 7820604 8966046 9069104 9893568 10202742 10427472 11130264 11375424 11954728 13449069 13603656 13903296 14840352 15304113 15641208 16437751 17932092 18138208 20405484 20854944 22260528 23909456 26898138 27207312 29680704 30608226 31282416 32875502 35864184 36276416 40347207 40810968 41709888 44521056 47818912 49313253 53796276 54414624 61216452 62564832 65751004 71728368 80694414 81621936 89042112 95637824 98626506 107592552 108829248 122432904 125129664 131502008 143456736 147939759 161388828 163243872 197253012 215185104 244865808 263004016 286913472 295879518 322777656 326487744 394506024 430370208 443819277 489731616 526008032 591759036 645555312 789012048 860740416 887638554 979463232 1052016064 1183518072 1291110624 1578024096 1775277108 2367036144 2582221248 3156048192 3550554216 4734072288 7101108432 9468144576 14202216864 28404433728
• Sum of all divisors σ(n): 94653201600
• Sum of proper divisors (its aliquot sum) s(n): 66248767872
• 28404433728 is an abundant number, because the sum of its proper divisors (66248767872) is greater than itself. Its abundance is 37844334144

Bases of 28404433728

• Binary: 11010011101000010010100001101000000₂
• Hexadecimal: 0x69D094340
• Base-36: D1R9LC0

Squares and roots of 28404433728

• 28404433728 squared (28404433728²) is 806811855408343977984
• 28404433728 cubed (28404433728³) is 22917033877911024900874419044352
• The square root of 28404433728 is 168536.1496178193
• The cube root of 28404433728 is 3051.1393657049

Scales and comparisons

• 28,404,433,728 seconds is equal to 903 years, 9 weeks, 28 minutes, 48 seconds.
• To count from 1 to 28,404,433,728 would take you about one thousand, eight hundred six 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 28404433728 cubic inches would be around 254.3 feet tall.

Recreational maths with 28404433728

• 28404433728 backwards is 82733440482
• The number of decimal digits it has is: 11
• The sum of 28404433728's digits is 45
• More coming soon!