138587921850

Names of 138587921850

• Cardinal: 138587921850 can be written as One hundred thirty-eight billion, five hundred eighty-seven million, nine hundred twenty-one thousand, eight hundred fifty.

Scientific notation

• Scientific notation: 1.3858792185 × 10¹¹

Factors of 138587921850

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 131160

Divisors of 138587921850

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 19 21 25 30 35 38 42 50 53 57 70 75 95 105 106 114 133 150 159 175 190 210 265 266 285 318 350 371 399 475 525 530 570 665 742 795 798 950 1007 1050 1113 1325 1330 1425 1590 1855 1995 2014 2226 2650 2850 3021 3325 3710 3975 3990 5035 5565 6042 6650 7049 7950 9275 9975 10070 11130 14098 15105 18550 19950 21147 25175 27825 30210 35245 42294 50350 55650 70490 75525 105735 131071 151050 176225 211470 262142 352450 393213 528675 655355 786426 917497 1057350 1310710 1834994 1966065 2490349 2752491 3276775 3932130 4587485 4980698 5504982 6553550 6946763 7471047 9174970 9830325 12451745 13762455 13893526 14942094 17432443 19660650 20840289 22937425 24903490 27524910 34733815 34864886 37355235 41680578 45874850 48627341 52297329 62258725 68812275 69467630 74710470 87162215 97254682 104201445 104594658 124517450 131988497 137624550 145882023 173669075 174324430 186776175 208402890 243136705 261486645 263976994 291764046 347338150 373552350 395965491 435811075 486273410 521007225 522973290 659942485 729410115 791930982 871622150 923919479 1042014450 1215683525 1307433225 1319884970 1458820230 1847838958 1979827455 2431367050 2614866450 2771758437 3299712425 3647050575 3959654910 4619597395 5543516874 6599424850 7294101150 9239194790 9899137275 13858792185 19798274550 23097986975 27717584370 46195973950 69293960925 138587921850
• Sum of all divisors σ(n): 421275893760
• Sum of proper divisors (its aliquot sum) s(n): 282687971910
• 138587921850 is an abundant number, because the sum of its proper divisors (282687971910) is greater than itself. Its abundance is 144100050060

Bases of 138587921850

• Binary: 10000001000100011110111101110110111010₂
• Hexadecimal: 0x20447BDDBA
• Base-36: 1RNZO4VU

Squares and roots of 138587921850

• 138587921850 squared (138587921850²) is 19206612082701707422500
• 138587921850 cubed (138587921850³) is 2661804454320729965130994931625000
• The square root of 138587921850 is 372273.9876085893
• The cube root of 138587921850 is 5174.9774397485

Scales and comparisons

• 138,587,921,850 seconds is equal to 4,406 years, 34 weeks, 4 days, 20 hours, 57 minutes, 30 seconds.
• To count from 1 to 138,587,921,850 would take you about eight thousand, eight hundred thirteen 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 138587921850 cubic inches would be around 431.2 feet tall.

Recreational maths with 138587921850

• 138587921850 backwards is 058129785831
• 138587921850 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138587921850's digits is 57
• More coming soon!