72621074421

Names of 72621074421

• Cardinal: 72621074421 can be written as Seventy-two billion, six hundred twenty-one million, seventy-four thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 7.2621074421 × 10¹⁰

Factors of 72621074421

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 42609

Divisors of 72621074421

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 21 27 47 63 141 189 193 329 423 579 987 1269 1351 1737 2961 4053 5211 8883 9071 12159 27213 36477 42359 63497 81639 127077 190491 244917 296513 381231 571473 889539 1143693 1714419 1990873 2668617 5972619 8005851 8175287 13936111 17917857 24525861 41808333 53753571 57227009 73577583 125424999 171681027 220732749 376274997 384238489 515043081 1152715467 1545129243 2689669423 3458146401 8069008269 10374439203 24207024807 72621074421
• Sum of all divisors σ(n): 126226022400
• Sum of proper divisors (its aliquot sum) s(n): 53604947979
• 72621074421 is a deficient number, because the sum of its proper divisors (53604947979) is less than itself. Its deficiency is 19016126442

Bases of 72621074421

• Binary: 1000011101000100011011010011111110101₂
• Hexadecimal: 0x10E88DA7F5
• Base-36: XD0PNN9

Squares and roots of 72621074421

• 72621074421 squared (72621074421²) is 5273820450060420485241
• 72621074421 cubed (72621074421³) is 382990507386829510005239593120461
• The square root of 72621074421 is 269482.9761246525
• The cube root of 72621074421 is 4172.0953306949

Scales and comparisons

• 72,621,074,421 seconds is equal to 2,309 years, 6 weeks, 3 days, 16 hours, 40 minutes, 21 seconds.
• To count from 1 to 72,621,074,421 would take you about four thousand, six hundred eighteen 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 72621074421 cubic inches would be around 347.7 feet tall.

Recreational maths with 72621074421

• 72621074421 backwards is 12447012627
• The number of decimal digits it has is: 11
• The sum of 72621074421's digits is 36
• More coming soon!