138893245650

Names of 138893245650

• Cardinal: 138893245650 can be written as One hundred thirty-eight billion, eight hundred ninety-three million, two hundred forty-five thousand, six hundred fifty.

Scientific notation

• Scientific notation: 1.3889324565 × 10¹¹

Factors of 138893245650

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 573

Divisors of 138893245650

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 30 45 50 75 79 90 101 150 158 202 225 237 303 383 395 450 474 505 606 711 766 790 909 1010 1149 1185 1422 1515 1818 1915 1975 2298 2370 2525 3030 3447 3555 3830 3950 4545 5050 5745 5925 6894 7110 7575 7979 9090 9575 10201 11490 11850 15150 15958 17235 17775 19150 20402 22725 23937 28725 30257 30603 34470 35550 38683 39895 45450 47874 51005 57450 60514 61206 71811 77366 79790 86175 90771 91809 102010 116049 119685 143622 151285 153015 172350 181542 183618 193415 199475 232098 239370 255025 272313 302570 306030 348147 359055 386830 398950 453855 459045 510050 544626 580245 598425 696294 718110 756425 765075 805879 907710 918090 967075 1160490 1196850 1361565 1512850 1530150 1611758 1740735 1795275 1934150 2269275 2295225 2417637 2723130 2901225 3055957 3481470 3590550 3906983 4029395 4538550 4590450 4835274 5802450 6111914 6807825 7252911 7813966 8058790 8703675 9167871 11720949 12088185 13615650 14505822 15279785 17407350 18335742 19534915 20146975 23441898 24176370 27503613 30559570 35162847 36264555 39069830 40293950 45839355 55007226 58604745 60440925 70325694 72529110 76398925 91678710 97674575 117209490 120881850 137518065 152797850 175814235 181322775 195349150 229196775 275036130 293023725 308651657 351628470 362645550 458393550 586047450 617303314 687590325 879071175 925954971 1375180650 1543258285 1758142350 1851909942 2777864913 3086516570 4629774855 5555729826 7716291425 9259549710 13889324565 15432582850 23148874275 27778649130 46297748550 69446622825 138893245650
• Sum of all divisors σ(n): 382658365440
• Sum of proper divisors (its aliquot sum) s(n): 243765119790
• 138893245650 is an abundant number, because the sum of its proper divisors (243765119790) is greater than itself. Its abundance is 104871874140

Bases of 138893245650

• Binary: 10000001010110101011101011110011010010₂
• Hexadecimal: 0x2056AEBCD2
• Base-36: 1RT1GA8I

Squares and roots of 138893245650

• 138893245650 squared (138893245650²) is 19291333687191243922500
• 138893245650 cubed (138893245650³) is 2679435948731173700656862062125000
• The square root of 138893245650 is 372683.8414125303
• The cube root of 138893245650 is 5178.7749925693

Scales and comparisons

• 138,893,245,650 seconds is equal to 4,416 years, 19 weeks, 3 days, 17 hours, 7 minutes, 30 seconds.
• To count from 1 to 138,893,245,650 would take you about eight thousand, eight hundred thirty-two 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 138893245650 cubic inches would be around 431.6 feet tall.

Recreational maths with 138893245650

• 138893245650 backwards is 056542398831
• The number of decimal digits it has is: 12
• The sum of 138893245650's digits is 54
• More coming soon!