28390088672

Names of 28390088672

• Cardinal: 28390088672 can be written as Twenty-eight billion, three hundred ninety million, eighty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.8390088672 × 10¹⁰

Factors of 28390088672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13974

Divisors of 28390088672

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 11 16 17 22 31 32 34 44 62 68 88 121 124 136 176 187 242 248 272 341 352 374 484 496 527 544 682 748 968 992 1054 1364 1496 1936 2057 2108 2728 2992 3751 3872 4114 4216 5456 5797 5984 7502 8228 8432 10912 11594 13913 15004 16456 16864 23188 27826 30008 32912 46376 55652 60016 63767 65824 92752 111304 120032 127534 153043 185504 222608 236521 255068 306086 431303 445216 473042 510136 612172 862606 946084 1020272 1224344 1683473 1725212 1892168 2040544 2448688 2601731 3366946 3450424 3784336 4744333 4897376 5203462 6733892 6900848 7332151 7568672 9488666 10406924 13467784 13801696 14664302 18977332 20813848 26935568 28619041 29328604 37954664 41627696 52187663 53871136 57238082 58657208 75909328 80653661 83255392 104375326 114476164 117314416 151818656 161307322 208750652 228952328 234628832 322614644 417501304 457904656 645229288 835002608 887190271 915809312 1290458576 1670005216 1774380542 2580917152 3548761084 7097522168 14195044336 28390088672
• Sum of all divisors σ(n): 67153193856
• Sum of proper divisors (its aliquot sum) s(n): 38763105184
• 28390088672 is an abundant number, because the sum of its proper divisors (38763105184) is greater than itself. Its abundance is 10373016512

Bases of 28390088672

• Binary: 11010011100001011100101111111100000₂
• Hexadecimal: 0x69C2E5FE0
• Base-36: D1IQ4M8

Squares and roots of 28390088672

• 28390088672 squared (28390088672²) is 805997134804022723584
• 28390088672 cubed (28390088672³) is 22882330126464142464852705640448
• The square root of 28390088672 is 168493.5864417397
• The cube root of 28390088672 is 3050.6256415013

Scales and comparisons

• 28,390,088,672 seconds is equal to 902 years, 37 weeks, 1 day, 23 hours, 44 minutes, 32 seconds.
• To count from 1 to 28,390,088,672 would take you about one thousand, eight hundred five 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 28390088672 cubic inches would be around 254.2 feet tall.

Recreational maths with 28390088672

• 28390088672 backwards is 27688009382
• The number of decimal digits it has is: 11
• The sum of 28390088672's digits is 53
• More coming soon!