138156965712

Names of 138156965712

• Cardinal: 138156965712 can be written as One hundred thirty-eight billion, one hundred fifty-six million, nine hundred sixty-five thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.38156965712 × 10¹¹

Factors of 138156965712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 36712

Divisors of 138156965712

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 19 24 27 34 36 38 48 51 54 57 68 72 76 81 102 108 114 136 144 152 153 162 171 204 216 228 243 272 304 306 323 324 342 408 432 456 459 486 513 612 646 648 684 729 816 912 918 969 972 1026 1224 1292 1296 1368 1377 1458 1539 1836 1938 1944 2052 2448 2584 2736 2754 2907 2916 3078 3672 3876 3888 4104 4131 4617 5168 5508 5814 5832 6156 7344 7752 8208 8262 8721 9234 11016 11628 11664 12312 12393 13851 15504 16524 17442 18468 22032 23256 24624 24786 26163 27702 33048 34884 36671 36936 46512 49572 52326 55404 66096 69768 73342 73872 78489 99144 104652 110013 110808 139536 146684 156978 198288 209304 220026 221616 235467 293368 313956 330039 418608 440052 470934 586736 623407 627912 660078 696749 880104 941868 990117 1246814 1255824 1320156 1393498 1760208 1870221 1883736 1980234 2090247 2493628 2640312 2786996 2970351 3740442 3767472 3960468 4180494 4987256 5280624 5573992 5610663 5940702 6270741 7480884 7920936 8360988 8911053 9974512 11147984 11221326 11844733 11881404 12541482 14961768 15841872 16721976 16831989 17822106 18812223 22442652 23689466 23762808 25082964 26733159 29923536 33443952 33663978 35534199 35644212 37624446 44885304 47378932 47525616 50165928 50495967 53466318 56436669 67327956 71068398 71288424 75248892 89770608 94757864 100331856 100991934 106602597 106932636 112873338 134655912 142136796 142576848 150497784 151487901 169310007 189515728 201983868 213205194 213865272 225746676 269311824 284273592 300995568 302975802 319807791 338620014 403967736 426410388 427730544 451493352 454463703 507930021 568547184 605951604 639615582 677240028 807935472 852820776 902986704 908927406 959423373 1015860042 1211903208 1279231164 1354480056 1705641552 1817854812 1918846746 2031720084 2423806416 2558462328 2708960112 2878270119 3635709624 3837693492 4063440168 5116924656 5756540238 7271419248 7675386984 8126880336 8634810357 11513080476 15350773968 17269620714 23026160952 34539241428 46052321904 69078482856 138156965712
• Sum of all divisors σ(n): 447320655360
• Sum of proper divisors (its aliquot sum) s(n): 309163689648
• 138156965712 is an abundant number, because the sum of its proper divisors (309163689648) is greater than itself. Its abundance is 171006723936

Bases of 138156965712

• Binary: 10000000101010110010111111111101010000₂
• Hexadecimal: 0x202ACBFF50
• Base-36: 1RGV3900

Squares and roots of 138156965712

• 138156965712 squared (138156965712²) is 19087347174746743666944
• 138156965712 cubed (138156965712³) is 2637049969154525937077635355824128
• The square root of 138156965712 is 371694.7211247423
• The cube root of 138156965712 is 5169.6077943877

Scales and comparisons

• 138,156,965,712 seconds is equal to 4,392 years, 50 weeks, 22 hours, 55 minutes, 12 seconds.
• To count from 1 to 138,156,965,712 would take you about eight thousand, seven hundred eighty-five 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 138156965712 cubic inches would be around 430.8 feet tall.

Recreational maths with 138156965712

• 138156965712 backwards is 217569651831
• 138156965712 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138156965712's digits is 54
• More coming soon!