72171230138538

Names of 72171230138538

• Cardinal: 72171230138538 can be written as Seventy-two trillion, one hundred seventy-one billion, two hundred thirty million, one hundred thirty-eight thousand, five hundred thirty-eight.

Scientific notation

• Scientific notation: 7.2171230138538 × 10¹³

Factors of 72171230138538

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 93

Divisors of 72171230138538

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 41 47 82 94 123 141 246 282 1681 1927 2209 3362 3854 4418 5043 5781 6627 10086 11562 13254 68921 79007 90569 103823 137842 158014 181138 206763 207646 237021 271707 311469 413526 474042 543414 622938 2825761 3239287 3713329 4256743 5651522 6478574 7426658 8477283 8513486 9717861 11139987 12770229 16954566 19435722 22279974 25540458 115856201 132810767 152246489 174526463 231712402 265621534 304492978 347568603 349052926 398432301 456739467 523579389 695137206 796864602 913478934 1047158778 5445241447 6242106049 7155584983 10890482894 12484212098 14311169966 16335724341 18726318147 21466754949 32671448682 37452636294 42933509898 255926348009 293378984303 511852696018 586757968606 767779044027 880136952909 1535558088054 1760273905818 12028538356423 24057076712846 36085615069269 72171230138538
• Sum of all divisors σ(n): 151167317333760
• Sum of proper divisors (its aliquot sum) s(n): 78996087195222
• 72171230138538 is an abundant number, because the sum of its proper divisors (78996087195222) is greater than itself. Its abundance is 6824857056684

Bases of 72171230138538

• Binary: 10000011010001110101100100010010001000010101010₂
• Hexadecimal: 0x41A3AC8910AA
• Base-36: PKZ070O16

Squares and roots of 72171230138538

• 72171230138538 squared (72171230138538²) is 5208686459709815742672777444
• 72171230138538 cubed (72171230138538³) is 375917309203203849977336289008137361536872
• The square root of 72171230138538 is 8495365.2151357213
• The cube root of 72171230138538 is 41634.6293373193

Scales and comparisons

• 72,171,230,138,538 seconds is equal to 2,294,821 years, 45 weeks, 4 days, 15 hours, 22 minutes, 18 seconds.
• To count from 1 to 72,171,230,138,538 would take you about five million, seven hundred thirty-seven thousand and fifty-four 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 72171230138538 cubic inches would be around 3469.6 feet tall.

Recreational maths with 72171230138538

• 72171230138538 backwards is 83583103217127
• The number of decimal digits it has is: 14
• The sum of 72171230138538's digits is 51
• More coming soon!