138249744220

Names of 138249744220

• Cardinal: 138249744220 can be written as One hundred thirty-eight billion, two hundred forty-nine million, seven hundred forty-four thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.3824974422 × 10¹¹

Factors of 138249744220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1138

Divisors of 138249744220

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 53 70 106 140 151 163 212 265 302 326 371 530 604 652 742 755 757 815 1057 1060 1141 1484 1510 1514 1630 1855 2114 2282 3020 3028 3260 3710 3785 4228 4564 5285 5299 5705 7420 7570 8003 8639 10570 10598 11410 15140 16006 17278 21140 21196 22820 24613 26495 32012 34556 40015 40121 43195 49226 52990 56021 60473 80030 80242 86390 98452 105980 112042 114307 120946 123065 123391 160060 160484 172291 172780 200605 224084 228614 241892 246130 246782 280105 280847 302365 344582 401210 457228 492260 493564 560210 561694 571535 604730 616955 689164 800149 802420 861455 863737 1120420 1123388 1143070 1209460 1233910 1304489 1404235 1600298 1722910 1727474 2286140 2467820 2608978 2808470 3200596 3445820 3454948 4000745 4318685 5217956 5616940 6058271 6522445 6539723 8001490 8637370 9131423 12116542 13044890 13079446 16002980 17274740 18262846 18632041 24233084 26089780 26158892 30291355 32698615 36525692 37264082 42407897 45657115 45778061 60582710 65397230 74528164 84815794 91314230 91556122 93160205 121165420 130424287 130794460 169631588 182628460 183112244 186320410 212039485 228890305 260848574 372640820 424078970 457780610 521697148 652121435 848157940 915561220 987498173 1304242870 1974996346 2608485740 3949992692 4937490865 6912487211 9874981730 13824974422 19749963460 27649948844 34562436055 69124872110 138249744220
• Sum of all divisors σ(n): 342838573056
• Sum of proper divisors (its aliquot sum) s(n): 204588828836
• 138249744220 is an abundant number, because the sum of its proper divisors (204588828836) is greater than itself. Its abundance is 66339084616

Bases of 138249744220

• Binary: 10000000110000010100111010111101011100₂
• Hexadecimal: 0x203053AF5C
• Base-36: 1RIEBTCS

Squares and roots of 138249744220

• 138249744220 squared (138249744220²) is 19112991776895423408400
• 138249744220 cubed (138249744220³) is 2642366224434755591899900599448000
• The square root of 138249744220 is 371819.5048945119
• The cube root of 138249744220 is 5170.7647421433

Scales and comparisons

• 138,249,744,220 seconds is equal to 4,395 years, 47 weeks, 3 days, 18 hours, 43 minutes, 40 seconds.
• To count from 1 to 138,249,744,220 would take you about eight thousand, seven hundred ninety-one 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 138249744220 cubic inches would be around 430.9 feet tall.

Recreational maths with 138249744220

• 138249744220 backwards is 022447942831
• The number of decimal digits it has is: 12
• The sum of 138249744220's digits is 46
• More coming soon!