72071900928

Names of 72071900928

• Cardinal: 72071900928 can be written as Seventy-two billion, seventy-one million, nine hundred thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2071900928 × 10¹⁰

Factors of 72071900928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 613379

Divisors of 72071900928

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 96 102 108 128 136 144 153 192 204 216 256 272 288 306 384 408 432 459 544 576 612 768 816 864 918 1088 1152 1224 1632 1728 1836 2176 2304 2448 3264 3456 3672 4352 4896 6528 6912 7344 9792 13056 14688 19584 29376 39168 58752 117504 613357 1226714 1840071 2453428 3680142 4906856 5520213 7360284 9813712 10427069 11040426 14720568 16560639 19627424 20854138 22080852 29441136 31281207 33121278 39254848 41708276 44161704 58882272 62562414 66242556 78509696 83416552 88323408 93843621 117764544 125124828 132485112 157019392 166833104 176646816 187687242 235529088 250249656 264970224 281530863 333666208 353293632 375374484 471058176 500499312 529940448 563061726 667332416 706587264 750748968 1000998624 1059880896 1126123452 1334664832 1413174528 1501497936 2001997248 2119761792 2252246904 2669329664 3002995872 4003994496 4239523584 4504493808 6005991744 8007988992 9008987616 12011983488 18017975232 24023966976 36035950464 72071900928
• Sum of all divisors σ(n): 225666675360
• Sum of proper divisors (its aliquot sum) s(n): 153594774432
• 72071900928 is an abundant number, because the sum of its proper divisors (153594774432) is greater than itself. Its abundance is 81522873504

Bases of 72071900928

• Binary: 1000011000111110100011110111100000000₂
• Hexadecimal: 0x10C7D1EF00
• Base-36: X3XQYO0

Squares and roots of 72071900928

• 72071900928 squared (72071900928²) is 5194358903375447261184
• 72071900928 cubed (72071900928³) is 374367320268549959795742187978752
• The square root of 72071900928 is 268462.1033367653
• The cube root of 72071900928 is 4161.5519998083

Scales and comparisons

• 72,071,900,928 seconds is equal to 2,291 years, 34 weeks, 3 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 72,071,900,928 would take you about four thousand, five hundred eighty-three 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 72071900928 cubic inches would be around 346.8 feet tall.

Recreational maths with 72071900928

• 72071900928 backwards is 82900917027
• The number of decimal digits it has is: 11
• The sum of 72071900928's digits is 45
• More coming soon!