138501491128

Names of 138501491128

• Cardinal: 138501491128 can be written as One hundred thirty-eight billion, five hundred one million, four hundred ninety-one thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38501491128 × 10¹¹

Factors of 138501491128

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 307

Divisors of 138501491128

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 7 8 11 13 14 22 26 28 37 44 52 56 61 74 77 79 88 91 97 104 122 143 148 154 158 182 194 244 259 286 296 308 316 364 388 407 427 481 488 518 553 572 616 632 671 679 728 776 793 814 854 869 962 1001 1027 1036 1067 1106 1144 1261 1342 1358 1586 1628 1708 1738 1924 2002 2054 2072 2134 2212 2257 2522 2684 2716 2849 2923 3172 3256 3367 3416 3476 3589 3848 4004 4108 4268 4424 4514 4697 4819 5044 5291 5368 5432 5551 5698 5846 5917 6083 6344 6734 6952 7178 7189 7469 7663 8008 8216 8536 8723 8827 9028 9394 9638 10088 10582 11102 11297 11396 11692 11834 12166 13468 13871 14356 14378 14938 15326 15799 17446 17654 18056 18788 19276 20461 21164 22204 22594 22792 23384 23668 24332 24827 25123 26936 27742 28712 28756 29341 29876 30652 31598 32153 33733 34892 35308 37037 37576 37999 38552 39479 40922 41419 42328 44408 45188 46657 47336 48664 49654 50246 53009 53641 55484 57512 58682 59752 61061 61304 62647 63196 64306 65087 67466 69784 70616 74074 75998 76921 78958 79079 81844 82838 84293 90376 93314 97097 99308 99619 100492 106018 107282 110968 117364 122122 125294 126392 128612 130174 134932 148148 151996 153842 157916 158158 163688 165676 168586 173789 178303 186628 194194 198616 199238 200984 205387 212036 214564 218929 225071 234728 244244 250588 257224 260348 265993 269864 276353 283531 296296 303992 307684 315832 316316 322751 326599 331352 337172 347578 356606 371063 373256 388388 398476 410774 417989 424072 429128 437858 438529 450142 455609 467443 488488 501176 513227 520696 531986 538447 552706 567062 590051 615368 632632 645502 653198 674344 689117 695156 697333 713212 742126 776776 796952 821548 835978 846131 875716 877058 900284 911218 934886 1026454 1063972 1076894 1095809 1105412 1134124 1180102 1248121 1291004 1306396 1378234 1390312 1394666 1426424 1484252 1532503 1643096 1671956 1692262 1751432 1754116 1800568 1822436 1869772 1961333 1984717 2052908 2127944 2153788 2191618 2210824 2259257 2268248 2317939 2360204 2408219 2496242 2582008 2612792 2756468 2789332 2846077 2925923 2968504 3065006 3118841 3272101 3343912 3384524 3508232 3592589 3644872 3685903 3739544 3922666 3969434 4105816 4307576 4383236 4518514 4635878 4720408 4816438 4823819 4992484 5141873 5512936 5578664 5692154 5851846 5922917 6076759 6130012 6237682 6544202 6769048 7185178 7371806 7670663 7845332 7938868 8766472 9037028 9271756 9632876 9647638 9984968 10283746 11384308 11703692 11845834 12153518 12260024 12475364 13088404 13729331 14370356 14743612 15341326 15690664 15877736 16225573 16857533 17295391 18074056 18543512 19265752 19295276 19922539 20567492 21831887 22768616 23407384 23691668 24307036 24950728 25497329 25801321 26176808 27458662 28740712 29487224 30682652 31306847 32451146 33715066 34590782 35993111 38590552 39845078 40544933 41134984 42537313 43663774 47383336 48614072 50994658 51602642 54917324 61365304 62613694 64902292 66844349 67430132 69181564 71986222 79690156 81089866 85074626 87327548 101989316 103205284 109834648 121067737 125227388 129804584 133688698 134860264 138363128 143972444 159380312 162179732 170149252 174655096 178481303 190249301 203978632 206410568 219147929 224840083 242135474 250454776 267377396 283814531 287944888 324359464 340298504 356962606 380498602 438295858 449680166 467910443 484270948 534754792 567629062 713925212 760997204 876591716 899360332 935820886 968541896 1135258124 1331745107 1427850424 1521994408 1573880581 1753183432 1798720664 1871641772 2270516248 2473240913 2663490214 3147761162 3743283544 4946481826 5326980428 6295522324 9892963652 10653960856 12591044648 17312686391 19785927304 34625372782 69250745564 138501491128
• Sum of all divisors σ(n): 372376166400
• Sum of proper divisors (its aliquot sum) s(n): 233874675272
• 138501491128 is an abundant number, because the sum of its proper divisors (233874675272) is greater than itself. Its abundance is 95373184144

Bases of 138501491128

• Binary: 10000000111111010101010000100110111000₂
• Hexadecimal: 0x203F5509B8
• Base-36: 1RMK7MIG

Squares and roots of 138501491128

• 138501491128 squared (138501491128²) is 19182663044679462712384
• 138501491128 cubed (138501491128³) is 2656827435494086072463059391729152
• The square root of 138501491128 is 372157.8846779953
• The cube root of 138501491128 is 5173.9014199325

Scales and comparisons

• 138,501,491,128 seconds is equal to 4,403 years, 47 weeks, 5 days, 12 hours, 25 minutes, 28 seconds.
• To count from 1 to 138,501,491,128 would take you about eight thousand, eight hundred 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 138501491128 cubic inches would be around 431.2 feet tall.

Recreational maths with 138501491128

• 138501491128 backwards is 821194105831
• The number of decimal digits it has is: 12
• The sum of 138501491128's digits is 43
• More coming soon!