138993714405

Names of 138993714405

• Cardinal: 138993714405 can be written as One hundred thirty-eight billion, nine hundred ninety-three million, seven hundred fourteen thousand, four hundred five.

Scientific notation

• Scientific notation: 1.38993714405 × 10¹¹

Factors of 138993714405

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 465064

Divisors of 138993714405

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 13 15 21 35 39 45 63 65 73 91 105 117 195 219 273 315 365 455 511 585 657 819 949 1095 1365 1533 2555 2847 3285 4095 4599 4745 6643 7665 8541 14235 19929 22995 33215 42705 59787 99645 298935 464963 1394889 2324815 3254741 4184667 6044519 6974445 9764223 16273705 18133557 20923335 29292669 30222595 33942299 42311633 48821115 54400671 90667785 101826897 126934899 146463345 169711495 211558165 237596093 272003355 305480691 380804697 441249887 509134485 634674495 712788279 1187980465 1323749661 1527403455 1904023485 2138364837 2206249435 3088749209 3563941395 3971248983 6618748305 9266247627 10691824185 15443746045 19856244915 27798742881 46331238135 138993714405
• Sum of all divisors σ(n): 300582487296
• Sum of proper divisors (its aliquot sum) s(n): 161588772891
• 138993714405 is an abundant number, because the sum of its proper divisors (161588772891) is greater than itself. Its abundance is 22595058486

Bases of 138993714405

• Binary: 10000001011100101010111100010011100101₂
• Hexadecimal: 0x205CABC4E5
• Base-36: 1RUP9OF9

Squares and roots of 138993714405

• 138993714405 squared (138993714405²) is 19319252644098704504025
• 138993714405 cubed (138993714405³) is 2685254684531896442462938022980125
• The square root of 138993714405 is 372818.6079114077
• The cube root of 138993714405 is 5180.0233846209

Scales and comparisons

• 138,993,714,405 seconds is equal to 4,419 years, 29 weeks, 4 days, 13 hours, 6 minutes, 45 seconds.
• To count from 1 to 138,993,714,405 would take you about eight thousand, eight hundred thirty-nine 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 138993714405 cubic inches would be around 431.7 feet tall.

Recreational maths with 138993714405

• 138993714405 backwards is 504417399831
• The number of decimal digits it has is: 12
• The sum of 138993714405's digits is 54
• More coming soon!