138810493908

Names of 138810493908

• Cardinal: 138810493908 can be written as One hundred thirty-eight billion, eight hundred ten million, four hundred ninety-three thousand, nine hundred eight.

Scientific notation

• Scientific notation: 1.38810493908 × 10¹¹

Factors of 138810493908

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 220

Divisors of 138810493908

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 31 36 47 54 62 93 94 108 124 137 141 186 188 274 279 282 372 411 423 548 558 564 822 837 846 1116 1233 1269 1457 1644 1674 1692 2209 2466 2538 2914 3348 3699 4247 4371 4418 4932 5076 5828 6439 6627 7398 8494 8742 8836 12741 12878 13113 13254 14796 16988 17484 18769 19317 19881 25482 25756 26226 26508 37538 38223 38634 39339 39762 50964 52452 56307 57951 59643 68479 75076 76446 77268 78678 79524 112614 114669 115902 119286 136958 152892 157356 168921 173853 199609 205437 225228 229338 231804 238572 273916 302633 337842 347706 399218 410874 458676 506763 581839 598827 605266 616311 675684 695412 798436 821748 882143 907899 1013526 1163678 1197654 1210532 1232622 1745517 1764286 1796481 1815798 1848933 2027052 2327356 2395308 2465244 2646429 2723697 3491034 3528572 3592962 3631596 3697866 5236551 5292858 5389443 5447394 6982068 7185924 7395732 7939287 8171091 9381623 10473102 10585716 10778886 10894788 15709653 15878574 16342182 18763246 20946204 21557772 23817861 27346433 28144869 31419306 31757148 32684364 37526492 41460721 47635722 54692866 56289738 62838612 82039299 82921442 84434607 95271444 109385732 112579476 124382163 164078598 165842884 168869214 246117897 248764326 253303821 328157196 337738428 373146489 492235794 497528652 506607642 738353691 746292978 984471588 1013215284 1119439467 1285282351 1476707382 1492585956 2238878934 2570564702 2953414764 3855847053 4477757868 5141129404 7711694106 11567541159 15423388212 23135082318 34702623477 46270164636 69405246954 138810493908
• Sum of all divisors σ(n): 382350967040
• Sum of proper divisors (its aliquot sum) s(n): 243540473132
• 138810493908 is an abundant number, because the sum of its proper divisors (243540473132) is greater than itself. Its abundance is 104729979224

Bases of 138810493908

• Binary: 10000001010001110000000000101111010100₂
• Hexadecimal: 0x2051C00BD4
• Base-36: 1RRO6ML0

Squares and roots of 138810493908

• 138810493908 squared (138810493908²) is 19268353218982905112464
• 138810493908 cubed (138810493908³) is 2674649627120818740069826126869312
• The square root of 138810493908 is 372572.8035002019
• The cube root of 138810493908 is 5177.7462941423

Scales and comparisons

• 138,810,493,908 seconds is equal to 4,413 years, 38 weeks, 4 days, 22 hours, 31 minutes, 48 seconds.
• To count from 1 to 138,810,493,908 would take you about eight thousand, eight hundred twenty-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 138810493908 cubic inches would be around 431.5 feet tall.

Recreational maths with 138810493908

• 138810493908 backwards is 809394018831
• 138810493908 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138810493908's digits is 54
• More coming soon!