139009308440

Names of 139009308440

• Cardinal: 139009308440 can be written as One hundred thirty-nine billion, nine million, three hundred eight thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3900930844 × 10¹¹

Factors of 139009308440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 23708

Divisors of 139009308440

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 6547 13094 17123 26188 32735 34246 52376 65470 68492 85615 130940 136984 171230 202957 261880 342460 405914 530813 684920 811828 1014785 1061626 1623656 2029570 2123252 2654065 4059140 4246504 5308130 8118280 10616260 21232520 112104281 224208562 448417124 560521405 896834248 1121042810 2242085620 3475232711 4484171240 6950465422 13900930844 17376163555 27801861688 34752327110 69504654220 139009308440
• Sum of all divisors σ(n): 322928501760
• Sum of proper divisors (its aliquot sum) s(n): 183919193320
• 139009308440 is an abundant number, because the sum of its proper divisors (183919193320) is greater than itself. Its abundance is 44909884880

Bases of 139009308440

• Binary: 10000001011101100110011011011100011000₂
• Hexadecimal: 0x205D99B718
• Base-36: 1RUYJWUW

Squares and roots of 139009308440

• 139009308440 squared (139009308440²) is 19323587832967055233600
• 139009308440 cubed (139009308440³) is 2686158581240348581326018651584000
• The square root of 139009308440 is 372839.5210274791
• The cube root of 139009308440 is 5180.2170970863

Scales and comparisons

• 139,009,308,440 seconds is equal to 4,420 years, 3 weeks, 3 days, 47 minutes, 20 seconds.
• To count from 1 to 139,009,308,440 would take you about eight thousand, eight hundred forty 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 139009308440 cubic inches would be around 431.7 feet tall.

Recreational maths with 139009308440

• 139009308440 backwards is 044803900931
• The number of decimal digits it has is: 12
• The sum of 139009308440's digits is 41
• More coming soon!