129107073920

Names of 129107073920

• Cardinal: 129107073920 can be written as One hundred twenty-nine billion, one hundred seven million, seventy-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2910707392 × 10¹¹

Factors of 129107073920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 178

Divisors of 129107073920

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 8 10 11 16 17 20 22 23 31 32 34 40 44 46 55 62 64 68 80 85 88 89 92 110 115 124 128 136 155 160 170 176 178 184 187 220 230 248 253 272 289 310 320 340 341 352 356 368 374 391 440 445 460 496 506 527 544 578 620 640 680 682 704 712 713 736 748 782 880 890 920 935 979 992 1012 1054 1088 1156 1240 1265 1360 1364 1408 1424 1426 1445 1472 1496 1513 1564 1705 1760 1780 1840 1870 1955 1958 1984 2024 2047 2108 2176 2312 2480 2530 2635 2720 2728 2759 2848 2852 2890 2944 2992 3026 3128 3179 3410 3520 3560 3565 3680 3740 3910 3916 3968 4048 4094 4216 4301 4624 4895 4960 5060 5270 5440 5456 5518 5696 5704 5780 5797 5984 6052 6256 6358 6647 6820 7040 7120 7130 7360 7480 7565 7820 7832 7843 8096 8188 8432 8602 8959 9248 9790 9920 10120 10235 10540 10880 10912 11036 11392 11408 11560 11594 11968 12104 12121 12512 12716 13294 13640 13795 14240 14260 14720 14960 15130 15640 15664 15686 15895 16192 16376 16643 16864 17204 17918 18496 19580 19840 20240 20470 21080 21505 21824 22072 22517 22816 23120 23188 23936 24208 24242 25024 25432 25721 26588 27280 27590 28480 28520 28985 29920 30260 30349 31280 31328 31372 31790 32384 32752 33235 33286 33728 34408 34799 35836 36992 39160 39215 40480 40940 42160 43010 43648 44144 44795 45034 45632 46240 46376 46903 48416 48484 50048 50864 51442 53176 54560 55180 56960 57040 57970 59840 60520 60605 60698 62560 62656 62744 63457 63580 65504 66470 66572 67456 68816 69598 71672 73117 78320 78430 80960 81880 83215 84320 86020 88288 89590 90068 91264 92480 92752 93806 96832 96968 98549 101728 102884 106352 109120 110360 112585 114080 115940 119680 121040 121210 121396 125120 125312 125488 126914 127160 128605 131008 132940 133144 133331 137632 139196 143344 146234 151745 156640 156860 161920 163760 166430 168640 172040 173995 176576 179180 180136 184960 185504 187612 193664 193936 197098 203456 205768 206057 212704 218240 220720 225170 228160 231880 234515 242080 242420 242792 250240 250976 253828 254320 257210 262016 265880 266288 266662 275264 278392 282931 286688 292468 303490 313280 313720 317285 327520 332860 337280 344080 347990 353152 358360 360272 365585 371008 375224 382789 387872 394196 406912 411536 412114 425408 441440 450340 456320 463760 469030 484160 484840 485584 492745 501952 507656 508640 514420 515933 531760 532576 533324 550528 556784 565862 573376 584936 591583 606980 626560 627440 634570 655040 665720 666655 688160 695980 698027 716720 720544 731170 742016 750448 765578 775744 788392 797351 823072 824228 850816 882880 900680 927520 938060 968320 969680 971168 985490 1003904 1015312 1017280 1028840 1030285 1031866 1063520 1065152 1066648 1078769 1113568 1131724 1146752 1169872 1183166 1213960 1254880 1269140 1310080 1331440 1333310 1376320 1391960 1396054 1414655 1433440 1441088 1462340 1500896 1531156 1551488 1576784 1594702 1646144 1648456 1765760 1801360 1855040 1876120 1913945 1939360 1942336 1970980 2030624 2034560 2057680 2060570 2063732 2127040 2130304 2133296 2157538 2227136 2263448 2266627 2339744 2366332 2427920 2509760 2538280 2579665 2662880 2666620 2752640 2783920 2792108 2829310 2866880 2882176 2924680 2957915 3001792 3062312 3153568 3189404 3292288 3296912 3490135 3602720 3710080 3752240 3827890 3878720 3884672 3941960 3986755 4061248 4115360 4121140 4127464 4254080 4266592 4315076 4454272 4526896 4533254 4679488 4732664 4855840 5019520 5076560 5159330 5325760 5333240 5393845 5567840 5584216 5658620 5733760 5849360 5915830 6003584 6124624 6307136 6378808 6507413 6593824 6980270 7205440 7504480 7655780 7757440 7883920 7973510 8122496 8230720 8242280 8254928 8533184 8630152 8770861 9053792 9066508 9358976 9465328 9711680 10153120 10318660 10651520 10666480 10787690 11135680 11168432 11317240 11333135 11698720 11831660 11866459 12249248 12614272 12757616 13014826 13187648 13960540 14410880 15008960 15311560 15767840 15947020 16461440 16484560 16509856 17066368 17260304 17541722 18107584 18133016 18339073 18930656 19423360 20306240 20637320 21332960 21575380 22271360 22336864 22634480 22666270 23397440 23663320 23732918 24498496 25515232 26029652 26375296 27921080 30017920 30623120 31535680 31894040 32537065 32969120 33019712 34520608 35083444 36215168 36266032 36678146 37861312 40612480 41274640 42665920 43150760 43854305 44673728 45268960 45332540 46794880 47326640 47465836 48996992 51030464 52059304 55842160 59332295 61246240 63071360 63788080 65074130 65938240 66039424 69041216 70166888 72532064 73356292 75722624 82549280 85331840 86301520 87708610 89347456 90537920 90665080 91695365 94653280 94931672 102060928 104118608 111684320 118664590 122492480 127576160 130148260 131876480 138082432 140333776 145064128 146712584 165098560 172603040 175417220 181075840 181330160 183390730 189306560 189863344 201729803 208237216 223368640 237329180 244984960 255152320 260296520 280667552 290128256 293425168 330197120 345206080 350834440 362660320 366781460 378613120 379726688 403459606 416474432 446737280 474658360 510304640 520593040 561335104 586850336 690412160 701668880 725320640 733562920 759453376 806919212 832948864 949316720 1008649015 1041186080 1122670208 1173700672 1403337760 1450641280 1467125840 1518906752 1613838424 1898633440 2017298030 2082372160 2347401344 2806675520 2934251680 3227676848 3797266880 4034596060 4164744320 5613351040 5868503360 6455353696 7594533760 8069192120 11737006720 12910707392 16138384240 25821414784 32276768480 64553536960 129107073920
• Sum of all divisors σ(n): 389596262400
• Sum of proper divisors (its aliquot sum) s(n): 260489188480
• 129107073920 is an abundant number, because the sum of its proper divisors (260489188480) is greater than itself. Its abundance is 131382114560

Bases of 129107073920

• Binary: 1111000001111011000011001101110000000₂
• Hexadecimal: 0x1E0F619B80
• Base-36: 1NB70NSW

Squares and roots of 129107073920

• 129107073920 squared (129107073920²) is 16668636536184344166400
• 129107073920 cubed (129107073920³) is 2152038889422764877038125580288000
• The square root of 129107073920 is 359314.7282258269
• The cube root of 129107073920 is 5054.1719460133

Scales and comparisons

• 129,107,073,920 seconds is equal to 4,105 years, 10 weeks, 4 days, 20 hours, 5 minutes, 20 seconds.
• To count from 1 to 129,107,073,920 would take you about eight thousand, two hundred ten 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 129107073920 cubic inches would be around 421.2 feet tall.

Recreational maths with 129107073920

• 129107073920 backwards is 029370701921
• The number of decimal digits it has is: 12
• The sum of 129107073920's digits is 41
• More coming soon!