138409947504

Names of 138409947504

• Cardinal: 138409947504 can be written as One hundred thirty-eight billion, four hundred nine million, nine hundred forty-seven thousand, five hundred four.

Scientific notation

• Scientific notation: 1.38409947504 × 10¹¹

Factors of 138409947504

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 752

Divisors of 138409947504

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 37 48 54 67 72 74 81 108 111 134 144 148 162 201 216 222 268 296 324 333 402 432 444 536 592 603 643 648 666 804 888 999 1072 1206 1286 1296 1332 1608 1776 1809 1929 1998 2412 2479 2572 2664 2997 3216 3618 3858 3996 4489 4824 4958 5144 5328 5427 5787 5994 7236 7437 7716 7992 8978 9648 9916 10288 10854 11574 11988 13467 14472 14874 15432 15984 17361 17956 19832 21708 22311 23148 23791 23976 26934 28944 29748 30864 34722 35912 39664 40401 43081 43416 44622 46296 47582 47952 52083 53868 59496 66933 69444 71373 71824 80802 86162 86832 89244 92592 95164 104166 107736 118992 121203 129243 133866 138888 142746 161604 166093 172324 178488 190328 200799 208332 214119 215472 242406 258486 267732 277776 285492 323208 332186 344648 356976 363609 380656 387729 401598 416664 428238 484812 498279 516972 535464 570984 642357 646416 664372 689296 727218 775458 803196 833328 856476 969624 996558 1033944 1070928 1141968 1163187 1284714 1328744 1454436 1494837 1550916 1593997 1606392 1712952 1927071 1939248 1993116 2067888 2326374 2569428 2657488 2886427 2908872 2989674 3101832 3187994 3212784 3425904 3489561 3854142 3986232 4484511 4652748 4781991 5138856 5772854 5817744 5979348 6203664 6375988 6979122 7708284 7972464 8659281 8969022 9305496 9563982 10277712 11545708 11958696 12751976 13453533 13958244 14345973 15416568 17318562 17938044 18610992 19127964 23091416 23917392 25503952 25977843 26907066 27916488 28691946 30833136 34637124 35876088 38255928 43037919 46182832 51955686 53814132 55832976 57383892 69274248 71752176 76511856 77933529 86075838 103911372 106797799 107628264 114767784 129113757 138548496 155867058 172151676 207822744 213595598 215256528 229535568 233800587 258227514 311734116 320393397 344303352 415645488 427191196 467601174 516455028 623468232 640786794 688606704 854382392 935202348 961180191 1032910056 1246936464 1281573588 1708764784 1870404696 1922360382 2065820112 2563147176 2883540573 3740809392 3844720764 5126294352 5767081146 7689441528 8650621719 11534162292 15378883056 17301243438 23068324584 34602486876 46136649168 69204973752 138409947504
• Sum of all divisors σ(n): 418307408904
• Sum of proper divisors (its aliquot sum) s(n): 279897461400
• 138409947504 is an abundant number, because the sum of its proper divisors (279897461400) is greater than itself. Its abundance is 141487513896

Bases of 138409947504

• Binary: 10000000111001111000000011000101110000₂
• Hexadecimal: 0x2039E03170
• Base-36: 1RL1PJ00

Squares and roots of 138409947504

• 138409947504 squared (138409947504²) is 19157313568060035830016
• 138409947504 cubed (138409947504³) is 2651562765272856490352873627480064
• The square root of 138409947504 is 372034.8740427435
• The cube root of 138409947504 is 5172.7612587397

Scales and comparisons

• 138,409,947,504 seconds is equal to 4,401 years, 2 days, 23 hours, 38 minutes, 24 seconds.
• To count from 1 to 138,409,947,504 would take you about eight thousand, eight hundred 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 138409947504 cubic inches would be around 431.1 feet tall.

Recreational maths with 138409947504

• 138409947504 backwards is 405749904831
• 138409947504 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138409947504's digits is 54
• More coming soon!