138787204140

Names of 138787204140

• Cardinal: 138787204140 can be written as One hundred thirty-eight billion, seven hundred eighty-seven million, two hundred four thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.3878720414 × 10¹¹

Factors of 138787204140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 281

Divisors of 138787204140

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 29 30 36 39 45 52 54 58 60 65 78 87 90 108 116 117 130 135 145 156 169 174 180 195 229 234 260 261 270 290 338 348 351 377 390 435 458 468 507 522 540 580 585 676 687 702 754 780 783 845 870 916 1014 1044 1131 1145 1170 1305 1374 1404 1508 1521 1566 1690 1740 1755 1885 2028 2061 2262 2290 2340 2535 2610 2748 2977 3042 3132 3380 3393 3435 3510 3770 3915 4122 4524 4563 4580 4901 5070 5220 5655 5954 6084 6183 6641 6786 6870 7020 7540 7605 7830 8244 8931 9126 9802 10140 10179 10305 11310 11908 12366 13282 13572 13740 14703 14885 15210 15660 16965 17862 18252 19604 19923 20358 20610 22620 22815 24505 24732 26564 26793 29406 29770 30420 30915 33205 33930 35724 38701 39846 40716 41220 44109 44655 45630 49010 50895 52441 53586 58812 59540 59769 61830 66410 67860 73515 77402 79692 80379 86333 88218 89310 91260 98020 99615 101790 104882 107172 116103 119538 123660 132327 132820 133965 147030 154804 157323 160758 172666 176436 178620 179307 193505 199230 203580 209764 220545 232206 239076 258999 262205 264654 267930 294060 298845 314646 321516 345332 348309 358614 387010 398460 401895 431665 441090 464412 471969 517998 524410 529308 535860 580515 597690 629292 661635 681733 696618 717228 774020 776997 786615 803790 863330 882180 896535 943938 1035996 1044927 1048820 1122329 1161030 1195380 1294995 1323270 1363466 1393236 1415907 1520789 1553994 1573230 1607580 1726660 1741545 1793070 1887876 2045199 2089854 2244658 2322060 2330991 2359845 2589990 2646540 2726932 2831814 3041578 3107988 3146460 3366987 3408665 3483090 3586140 3884985 4090398 4179708 4489316 4562367 4661982 4719690 5179980 5224635 5611645 5663628 6083156 6135597 6733974 6817330 6966180 7079535 7603945 7769970 8180796 8862529 9124734 9323964 9439380 10100961 10225995 10449270 11223290 11654955 12271194 13467948 13634660 13687101 14159070 15207890 15539940 16834935 17725058 18249468 18406791 19770257 20201922 20451990 20898540 22446580 22811835 23309910 24542388 26587587 27374202 28318140 30302883 30415780 30677985 33669870 35450116 36813582 39540514 40403844 40903980 41061303 44312645 45623670 46619820 50504805 53175174 54748404 59310771 60605766 61355970 67339740 68435505 73627164 79081028 79762761 82122606 88625290 91247340 92033955 98851285 101009610 106350348 118621542 121211532 122711940 132937935 136871010 151514415 159525522 164245212 177250580 177932313 184067910 197702570 202019220 205306515 237243084 239288283 257013341 265875870 273742020 296553855 303028830 319051044 355864626 368135820 395405140 398813805 410613030 478576566 514026682 531751740 533796939 593107710 606057660 711729252 771040023 797627610 821226060 889661565 957153132 1028053364 1067593878 1186215420 1196441415 1285066705 1542080046 1595255220 1779323130 2135187756 2313120069 2392882830 2570133410 2668984695 3084160092 3558646260 3855200115 4626240138 4785765660 5140266820 5337969390 6939360207 7710400230 9252480276 10675938780 11565600345 13878720414 15420800460 23131200690 27757440828 34696801035 46262401380 69393602070 138787204140
• Sum of all divisors σ(n): 485795167200
• Sum of proper divisors (its aliquot sum) s(n): 347007963060
• 138787204140 is an abundant number, because the sum of its proper divisors (347007963060) is greater than itself. Its abundance is 208220758920

Bases of 138787204140

• Binary: 10000001010000010111001010110000101100₂
• Hexadecimal: 0x20505CAC2C
• Base-36: 1RRABG30

Squares and roots of 138787204140

• 138787204140 squared (138787204140²) is 19261888032998033139600
• 138787204140 cubed (138787204140³) is 2673303586557521081564150317944000
• The square root of 138787204140 is 372541.5468642389
• The cube root of 138787204140 is 5177.4567020725

Scales and comparisons

• 138,787,204,140 seconds is equal to 4,413 years, 1 day, 9 hours, 9 minutes.
• To count from 1 to 138,787,204,140 would take you about eight thousand, eight hundred twenty-six 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 138787204140 cubic inches would be around 431.5 feet tall.

Recreational maths with 138787204140

• 138787204140 backwards is 041402787831
• 138787204140 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138787204140's digits is 45
• More coming soon!