72198751328

Names of 72198751328

• Cardinal: 72198751328 can be written as Seventy-two billion, one hundred ninety-eight million, seven hundred fifty-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2198751328 × 10¹⁰

Factors of 72198751328

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6152

Divisors of 72198751328

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 88 97 176 194 352 373 388 746 776 1067 1492 1552 2134 2984 3104 4103 4268 5669 5968 8206 8536 11338 11936 16412 17072 22676 32824 34144 36181 45352 62359 65648 72362 90704 124718 131296 144724 181408 249436 289448 397991 498872 549893 578896 795982 997744 1099786 1157792 1591964 1995488 2114537 2199572 3183928 4229074 4399144 6048823 6367856 8458148 8798288 12097646 12735712 16916296 17596576 23259907 24195292 33832592 46519814 48390584 67665184 93039628 96781168 186079256 193562336 205110089 372158512 410220178 744317024 820440356 1640880712 2256210979 3281761424 4512421958 6563522848 9024843916 18049687832 36099375664 72198751328
• Sum of all divisors σ(n): 157109531040
• Sum of proper divisors (its aliquot sum) s(n): 84910779712
• 72198751328 is an abundant number, because the sum of its proper divisors (84910779712) is greater than itself. Its abundance is 12712028384

Bases of 72198751328

• Binary: 1000011001111011000011000010001100000₂
• Hexadecimal: 0x10CF618460
• Base-36: X619T28

Squares and roots of 72198751328

• 72198751328 squared (72198751328²) is 5212659693322381763584
• 72198751328 cubed (72198751328³) is 376347520955671383085683302039552
• The square root of 72198751328 is 268698.2533028453
• The cube root of 72198751328 is 4163.9920868321

Scales and comparisons

• 72,198,751,328 seconds is equal to 2,295 years, 36 weeks, 1 day, 16 hours, 42 minutes, 8 seconds.
• To count from 1 to 72,198,751,328 would take you about four thousand, five hundred ninety-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 72198751328 cubic inches would be around 347 feet tall.

Recreational maths with 72198751328

• 72198751328 backwards is 82315789127
• The number of decimal digits it has is: 11
• The sum of 72198751328's digits is 53
• More coming soon!