123138879369

Names of 123138879369

• Cardinal: 123138879369 can be written as One hundred twenty-three billion, one hundred thirty-eight million, eight hundred seventy-nine thousand, three hundred sixty-nine.

Scientific notation

• Scientific notation: 1.23138879369 × 10¹¹

Factors of 123138879369

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 170

Divisors of 123138879369

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 11 19 33 57 121 137 209 361 363 411 627 1083 1507 2299 2603 3971 4521 6859 6897 7809 11913 16577 20577 28633 43681 49457 49731 75449 85899 130321 131043 148371 226347 314963 390963 544027 829939 939683 944889 1433531 1632081 2476099 2489817 2819049 4300593 5984297 7428297 10336513 15768841 17853977 17952891 27237089 31009539 47306523 53561931 81711267 113701643 196393747 299607979 339225563 341104929 589181241 898823937 1017676689 2160331217 3731481193 6480993651 11194443579 41046293123 123138879369
• Sum of all divisors σ(n): 191884462560
• Sum of proper divisors (its aliquot sum) s(n): 68745583191
• 123138879369 is a deficient number, because the sum of its proper divisors (68745583191) is less than itself. Its deficiency is 54393296178

Bases of 123138879369

• Binary: 1110010101011101001100010111110001001₂
• Hexadecimal: 0x1CABA62F89
• Base-36: 1KKHPJEX

Squares and roots of 123138879369

• 123138879369 squared (123138879369²) is 15163183612253133838161
• 123138879369 cubed (123138879369³) is 1867177437679236317989519347800409
• The square root of 123138879369 is 350911.4979150725
• The cube root of 123138879369 is 4975.0608730581

Scales and comparisons

• 123,138,879,369 seconds is equal to 3,915 years, 22 weeks, 4 days, 12 hours, 16 minutes, 9 seconds.
• To count from 1 to 123,138,879,369 would take you about seven thousand, eight hundred thirty 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 123138879369 cubic inches would be around 414.6 feet tall.

Recreational maths with 123138879369

• 123138879369 backwards is 963978831321
• The number of decimal digits it has is: 12
• The sum of 123138879369's digits is 60
• More coming soon!