149215215840

Names of 149215215840

• Cardinal: 149215215840 can be written as One hundred forty-nine billion, two hundred fifteen million, two hundred fifteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.4921521584 × 10¹¹

Factors of 149215215840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7705

Divisors of 149215215840

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 276 345 368 460 480 552 690 736 920 1104 1380 1840 2208 2741 2760 3680 4931 5482 5520 8223 9862 10964 11040 13705 14793 16446 19724 21928 24655 27410 29586 32892 39448 41115 43856 49310 54820 59172 63043 65784 73965 78896 82230 87712 98620 109640 113413 118344 126086 131568 147930 157792 164460 189129 197240 219280 226826 236688 252172 263136 295860 315215 328920 340239 378258 394480 438560 453652 473376 504344 567065 591720 630430 657840 680478 756516 788960 907304 945645 1008688 1134130 1183440 1260860 1315680 1360956 1513032 1701195 1814608 1891290 2017376 2268260 2366880 2521720 2721912 3026064 3402390 3629216 3782580 4536520 5043440 5443824 6052128 6804780 7565160 9073040 10086880 10887648 13515871 13609560 15130320 18146080 27031742 27219120 30260640 40547613 54063484 54438240 67579355 81095226 108126968 135158710 162190452 202738065 216253936 270317420 310865033 324380904 405476130 432507872 540634840 621730066 648761808 810952260 932595099 1081269680 1243460132 1297523616 1554325165 1621904520 1865190198 2162539360 2486920264 3108650330 3243809040 3730380396 4662975495 4973840528 6217300660 6487618080 7460760792 9325950990 9947681056 12434601320 14921521584 18651901980 24869202640 29843043168 37303803960 49738405280 74607607920 149215215840
• Sum of all divisors σ(n): 490742364672
• Sum of proper divisors (its aliquot sum) s(n): 341527148832
• 149215215840 is an abundant number, because the sum of its proper divisors (341527148832) is greater than itself. Its abundance is 192311932992

Bases of 149215215840

• Binary: 10001010111101111010111000000011100000₂
• Hexadecimal: 0x22BDEB80E0
• Base-36: 1WJQVXEO

Squares and roots of 149215215840

• 149215215840 squared (149215215840²) is 22265180638177786905600
• 149215215840 cubed (149215215840³) is 3322303734642287417412629704704000
• The square root of 149215215840 is 386283.8539726971
• The cube root of 149215215840 is 5304.0104431635

Scales and comparisons

• 149,215,215,840 seconds is equal to 4,744 years, 30 weeks, 1 day, 23 hours, 4 minutes.
• To count from 1 to 149,215,215,840 would take you about nine thousand, four hundred eighty-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 149215215840 cubic inches would be around 442 feet tall.

Recreational maths with 149215215840

• 149215215840 backwards is 048512512941
• The number of decimal digits it has is: 12
• The sum of 149215215840's digits is 42
• More coming soon!