129731015040

Names of 129731015040

• Cardinal: 129731015040 can be written as One hundred twenty-nine billion, seven hundred thirty-one million, fifteen thousand and forty.

Scientific notation

• Scientific notation: 1.2973101504 × 10¹¹

Factors of 129731015040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3014

Divisors of 129731015040

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 30 32 33 38 40 44 48 55 57 60 64 66 76 80 88 95 96 110 113 114 120 128 132 152 160 165 176 190 192 209 220 226 228 240 264 285 304 320 330 339 352 380 384 418 440 452 456 480 528 565 570 608 627 640 660 678 704 760 836 880 904 912 960 1045 1056 1130 1140 1216 1243 1254 1320 1356 1408 1520 1672 1695 1760 1808 1824 1920 2090 2112 2147 2260 2280 2432 2486 2508 2640 2712 2861 3040 3135 3344 3390 3520 3616 3648 3729 4180 4224 4294 4520 4560 4972 5016 5280 5424 5722 6080 6215 6270 6441 6688 6780 7040 7232 7296 7458 8360 8583 8588 9040 9120 9944 10032 10560 10735 10848 11444 12160 12430 12540 12882 13376 13560 14305 14464 14916 16720 17166 17176 18080 18240 18645 19888 20064 21120 21470 21696 22888 23617 24860 25080 25764 26752 27120 28610 29832 31471 32205 33440 34332 34352 36160 36480 37290 39776 40128 42915 42940 43392 45776 47234 49720 50160 51528 54240 54359 57220 59664 62942 64410 66880 68664 68704 70851 72320 74580 79552 80256 85830 85880 91552 94413 94468 99440 100320 103056 108480 108718 114440 118085 119328 125884 128820 133760 137328 137408 141702 149160 157355 159104 163077 171660 171760 183104 188826 188936 198880 200640 206112 216960 217436 228880 236170 238656 251768 257640 271795 274656 274816 283404 298320 314710 323293 326154 343320 343520 354255 366208 377652 377872 397760 401280 412224 434872 457760 472065 472340 477312 503536 515280 543590 549312 566808 596640 597949 629420 646586 652308 686640 687040 708510 755304 755744 795520 815385 824448 869744 915520 944130 944680 969879 1007072 1030560 1087180 1098624 1133616 1193280 1195898 1258840 1293172 1304616 1373280 1374080 1417020 1510608 1511488 1616465 1630770 1739488 1793847 1831040 1888260 1889360 1939758 2014144 2061120 2174360 2267232 2386560 2391796 2517680 2586344 2609232 2746560 2834040 2989745 3021216 3022976 3232930 3261540 3478976 3556223 3587694 3776520 3778720 3879516 4028288 4122240 4348720 4534464 4783592 4849395 5035360 5172688 5218464 5493120 5668080 5979490 6042432 6142567 6465860 6523080 6957952 7112446 7175388 7553040 7557440 7759032 8697440 8969235 9068928 9567184 9698790 10070720 10345376 10436928 10668669 11336160 11958980 12084864 12285134 12931720 13046160 14224892 14350776 15106080 15114880 15518064 17394880 17781115 17938470 18427701 19134368 19397580 20141440 20690752 20873856 21337338 22672320 23917960 24570268 25863440 26092320 28449784 28701552 30212160 30712835 31036128 34789760 35562230 35876940 36855402 38268736 38795160 41381504 42674676 45344640 47835920 49140536 51726880 52184640 53343345 56899568 57403104 60424320 61425670 62072256 67568237 71124460 71753880 73710804 76537472 77590320 85349352 92138505 95671840 98281072 103453760 104369280 106686690 113799136 114806208 122851340 124144512 135136474 142248920 143507760 147421608 155180640 170698704 184277010 191343680 196562144 202704711 206907520 213373380 227598272 229612416 245702680 270272948 284497840 287015520 294843216 310361280 337841185 341397408 368554020 382687360 393124288 405409422 426746760 455196544 491405360 540545896 568995680 574031040 589686432 620722560 675682370 682794816 737108040 786248576 810818844 853493520 982810720 1013523555 1081091792 1137991360 1148062080 1179372864 1351364740 1365589632 1474216080 1621637688 1706987040 1965621440 2027047110 2162183584 2275982720 2358745728 2702729480 2948432160 3243275376 3413974080 3931242880 4054094220 4324367168 5405458960 5896864320 6486550752 6827948160 8108188440 8648734336 10810917920 11793728640 12973101504 16216376880 21621835840 25946203008 32432753760 43243671680 64865507520 129731015040
• Sum of all divisors σ(n): 479222438400
• Sum of proper divisors (its aliquot sum) s(n): 349491423360
• 129731015040 is an abundant number, because the sum of its proper divisors (349491423360) is greater than itself. Its abundance is 219760408320

Bases of 129731015040

• Binary: 1111000110100100100100011000110000000₂
• Hexadecimal: 0x1E34923180
• Base-36: 1NLIHVUO

Squares and roots of 129731015040

• 129731015040 squared (129731015040²) is 16830136263308706201600
• 129731015040 cubed (129731015040³) is 2183390660700551164402710872064000
• The square root of 129731015040 is 360181.9193685325
• The cube root of 129731015040 is 5062.3007008997

Scales and comparisons

• 129,731,015,040 seconds is equal to 4,125 years, 2 weeks, 2 days, 9 hours, 4 minutes.
• To count from 1 to 129,731,015,040 would take you about eight thousand, two hundred fifty 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 129731015040 cubic inches would be around 421.9 feet tall.

Recreational maths with 129731015040

• 129731015040 backwards is 040510137921
• 129731015040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129731015040's digits is 33
• More coming soon!