138018156250

Names of 138018156250

• Cardinal: 138018156250 can be written as One hundred thirty-eight billion, eighteen million, one hundred fifty-six thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.3801815625 × 10¹¹

Factors of 138018156250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2078

Divisors of 138018156250

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 5 10 13 25 26 50 65 125 130 181 250 325 362 625 650 905 1250 1625 1810 1877 2353 3125 3250 3754 4525 4706 6250 8125 9050 9385 11765 15625 16250 18770 22625 23530 24401 31250 40625 45250 46925 48802 58825 81250 93850 113125 117650 122005 203125 226250 234625 244010 294125 339737 406250 469250 565625 588250 610025 679474 1131250 1173125 1220050 1470625 1698685 2346250 2828125 2941250 3050125 3397370 4416581 5656250 5865625 6100250 7353125 8493425 8833162 11731250 14706250 15250625 16986850 22082905 29328125 30501250 36765625 42467125 44165810 58656250 73531250 76253125 84934250 110414525 152506250 212335625 220829050 381265625 424671250 552072625 762531250 1061678125 1104145250 2123356250 2760363125 5308390625 5520726250 10616781250 13801815625 27603631250 69009078125 138018156250
• Sum of all divisors σ(n): 280375942392
• Sum of proper divisors (its aliquot sum) s(n): 142357786142
• 138018156250 is an abundant number, because the sum of its proper divisors (142357786142) is greater than itself. Its abundance is 4339629892

Bases of 138018156250

• Binary: 10000000100010100001011110111011011010₂
• Hexadecimal: 0x202285EEDA
• Base-36: 1REKG2XM

Squares and roots of 138018156250

• 138018156250 squared (138018156250²) is 19049011454649414062500
• 138018156250 cubed (138018156250³) is 2629109439355842619049072265625000
• The square root of 138018156250 is 371507.9491074181
• The cube root of 138018156250 is 5167.8758731779

Scales and comparisons

• 138,018,156,250 seconds is equal to 4,388 years, 28 weeks, 4 days, 8 hours, 44 minutes, 10 seconds.
• To count from 1 to 138,018,156,250 would take you about eight thousand, seven hundred seventy-seven 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 138018156250 cubic inches would be around 430.7 feet tall.

Recreational maths with 138018156250

• 138018156250 backwards is 052651810831
• The number of decimal digits it has is: 12
• The sum of 138018156250's digits is 40
• More coming soon!