71138889136

Names of 71138889136

• Cardinal: 71138889136 can be written as Seventy-one billion, one hundred thirty-eight million, eight hundred eighty-nine thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 7.1138889136 × 10¹⁰

Factors of 71138889136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 151589

Divisors of 71138889136

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 98 112 196 392 601 784 1202 2404 4207 4808 8414 9616 16828 29449 33656 58898 67312 117796 150979 235592 301958 471184 603916 1056853 1207832 2113706 2415664 4227412 7397971 8454824 14795942 16909648 29591884 59183768 90738379 118367536 181476758 362953516 635168653 725907032 1270337306 1451814064 2540674612 4446180571 5081349224 8892361142 10162698448 17784722284 35569444568 71138889136
• Sum of all divisors σ(n): 160602559320
• Sum of proper divisors (its aliquot sum) s(n): 89463670184
• 71138889136 is an abundant number, because the sum of its proper divisors (89463670184) is greater than itself. Its abundance is 18324781048

Bases of 71138889136

• Binary: 1000010010000001101010100110110110000₂
• Hexadecimal: 0x1090354DB0
• Base-36: WOI9A5S

Squares and roots of 71138889136

• 71138889136 squared (71138889136²) is 5060741547504098826496
• 71138889136 cubed (71138889136³) is 360015531893843163923686643347456
• The square root of 71138889136 is 266718.7453779733
• The cube root of 71138889136 is 4143.5160592651

Scales and comparisons

• 71,138,889,136 seconds is equal to 2,261 years, 51 weeks, 5 days, 18 hours, 32 minutes, 16 seconds.
• To count from 1 to 71,138,889,136 would take you about four thousand, five hundred twenty-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 71138889136 cubic inches would be around 345.3 feet tall.

Recreational maths with 71138889136

• 71138889136 backwards is 63198883117
• The number of decimal digits it has is: 11
• The sum of 71138889136's digits is 55
• More coming soon!