72128434483

Names of 72128434483

• Cardinal: 72128434483 can be written as Seventy-two billion, one hundred twenty-eight million, four hundred thirty-four thousand, four hundred eighty-three.

Scientific notation

• Scientific notation: 7.2128434483 × 10¹⁰

Factors of 72128434483

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1888

Divisors of 72128434483

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 31 49 127 217 343 889 961 1519 1723 3937 6223 6727 10633 12061 27559 43561 47089 53413 84427 122047 192913 218821 329623 373891 590989 854329 1350391 1531747 1655803 2617237 5980303 6783451 10722229 11590621 18320659 41862121 47484157 75055603 81134347 210286981 332389099 567940429 1472008867 2326723693 10304062069 72128434483
• Sum of all divisors σ(n): 87650918400
• Sum of proper divisors (its aliquot sum) s(n): 15522483917
• 72128434483 is a deficient number, because the sum of its proper divisors (15522483917) is less than itself. Its deficiency is 56605950566

Bases of 72128434483

• Binary: 1000011001011001100001001000100110011₂
• Hexadecimal: 0x10CB309133
• Base-36: X4VEO8J

Squares and roots of 72128434483

• 72128434483 squared (72128434483²) is 5202511060968423477289
• 72128434483 cubed (72128434483³) is 375248978208143751313438674956587
• The square root of 72128434483 is 268567.3741968671
• The cube root of 72128434483 is 4162.6398294047

Scales and comparisons

• 72,128,434,483 seconds is equal to 2,293 years, 23 weeks, 6 days, 20 hours, 14 minutes, 43 seconds.
• To count from 1 to 72,128,434,483 would take you about four thousand, five hundred eighty-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 72128434483 cubic inches would be around 346.9 feet tall.

Recreational maths with 72128434483

• 72128434483 backwards is 38443482127
• The number of decimal digits it has is: 11
• The sum of 72128434483's digits is 46
• More coming soon!