129309104640

Names of 129309104640

• Cardinal: 129309104640 can be written as One hundred twenty-nine billion, three hundred nine million, one hundred four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2930910464 × 10¹¹

Factors of 129309104640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 844

Divisors of 129309104640

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 31 32 34 40 43 48 51 60 62 64 68 80 85 86 93 96 102 120 124 128 129 136 155 160 170 172 186 192 204 215 240 248 255 256 258 272 310 320 340 344 372 384 408 430 465 480 496 510 512 516 527 544 620 640 645 680 688 731 743 744 768 816 860 930 960 992 1020 1032 1054 1088 1240 1280 1290 1333 1360 1376 1462 1486 1488 1536 1581 1632 1720 1860 1920 1984 2040 2064 2108 2176 2193 2229 2480 2560 2580 2635 2666 2720 2752 2924 2972 2976 3162 3264 3440 3655 3715 3720 3840 3968 3999 4080 4128 4216 4352 4386 4458 4960 5160 5270 5332 5440 5504 5848 5944 5952 6324 6528 6665 6880 7310 7430 7440 7680 7905 7936 7998 8160 8256 8432 8704 8772 8916 9920 10320 10540 10664 10880 10965 11008 11145 11696 11888 11904 12631 12648 13056 13330 13760 14620 14860 14880 15810 15872 15996 16320 16512 16864 17544 17832 19840 19995 20640 21080 21328 21760 21930 22016 22290 22661 23033 23392 23776 23808 25262 25296 26112 26660 27520 29240 29720 29760 31620 31949 31992 32640 33024 33728 35088 35664 37893 39680 39990 41280 42160 42656 43520 43860 44580 45322 46066 46784 47552 47616 50524 50592 53320 55040 58480 59440 59520 63155 63240 63898 63984 65280 66048 67456 67983 69099 70176 71328 75786 79360 79980 82560 84320 85312 87720 89160 90644 92132 93568 95104 95847 101048 101184 106640 110080 113305 115165 116960 118880 119040 126310 126480 127796 127968 130560 134912 135966 138198 140352 142656 151572 159745 159960 165120 168640 170624 175440 178320 181288 184264 187136 189465 190208 191694 202096 202368 213280 226610 230330 233920 237760 238080 252620 252960 255592 255936 269824 271932 276396 280704 285312 303144 319490 319920 330240 337280 339915 341248 345495 350880 356640 362576 368528 374272 378930 380416 383388 391561 404192 404736 426560 453220 460660 467840 475520 479235 505240 505920 511184 511872 543133 543864 552792 561408 570624 606288 638980 639840 674560 679830 682496 690990 701760 713280 725152 737056 757860 766776 783122 808384 809472 853120 906440 921320 935680 951040 958470 990419 1010480 1011840 1022368 1023744 1086266 1087728 1105584 1122816 1141248 1174683 1212576 1277960 1279680 1349120 1359660 1381980 1403520 1426560 1450304 1474112 1515720 1533552 1566244 1616768 1629399 1706240 1812880 1842640 1871360 1902080 1916940 1957805 1980838 2020960 2023680 2044736 2047488 2172532 2175456 2211168 2349366 2425152 2555920 2559360 2715665 2719320 2763960 2807040 2853120 2900608 2948224 2971257 3031440 3067104 3132488 3233536 3258798 3412480 3625760 3685280 3833880 3915610 3961676 4041920 4047360 4089472 4345064 4350912 4422336 4698732 4850304 4952095 5111840 5118720 5431330 5438640 5527920 5614080 5706240 5801216 5873415 5896448 5942514 6062880 6134208 6264976 6467072 6517596 7251520 7370560 7667760 7831220 7923352 8083840 8146995 8178944 8690128 8701824 8844672 9397464 9700608 9904190 10223680 10237440 10862660 10877280 11055840 11602432 11746830 11792896 11885028 12125760 12268416 12529952 13035192 14503040 14741120 14856285 15335520 15662440 15846704 16167680 16293990 16357888 16837123 17380256 17403648 17689344 18794928 19401216 19808380 20447360 21725320 21754560 22111680 23493660 23770056 24251520 24536832 25059904 26070384 29006080 29482240 29712570 30671040 31324880 31693408 32335360 32587980 33674246 34760512 34807296 35378688 37589856 39616760 40894720 43450640 43509120 44223360 46987320 47540112 48503040 49073664 50119808 50511369 52140768 58012160 58964480 59425140 61342080 62649760 63386816 65175960 67348492 69521024 75179712 79233520 81789440 84185615 86901280 87018240 88446720 93974640 95080224 97006080 100239616 101022738 104281536 118850280 122684160 125299520 126773632 130351920 134696984 139042048 150359424 158467040 168371230 173802560 174036480 176893440 187949280 190160448 200479232 202045476 208563072 237700560 245368320 250599040 252556845 253547264 260703840 269393968 278084096 300718848 316934080 336742460 347605120 375898560 380320896 404090952 417126144 475401120 501198080 505113690 507094528 521407680 538787936 601437696 633868160 673484920 695210240 751797120 760641792 808181904 834252288 950802240 1002396160 1010227380 1042815360 1077575872 1267736320 1346969840 1390420480 1503594240 1521283584 1616363808 1901604480 2020454760 2085630720 2155151744 2535472640 2693939680 3007188480 3232727616 3803208960 4040909520 4171261440 4310303488 5387879360 6465455232 7606417920 8081819040 8620606976 10775758720 12930910464 16163638080 21551517440 25861820928 32327276160 43103034880 64654552320 129309104640
• Sum of all divisors σ(n): 462950940672
• Sum of proper divisors (its aliquot sum) s(n): 333641836032
• 129309104640 is an abundant number, because the sum of its proper divisors (333641836032) is greater than itself. Its abundance is 204332731392

Bases of 129309104640

• Binary: 1111000011011011011000101101000000000₂
• Hexadecimal: 0x1E1B6C5A00
• Base-36: 1NEJAVPC

Squares and roots of 129309104640

• 129309104640 squared (129309104640²) is 16720844542798469529600
• 129309104640 cubed (129309104640³) is 2162157436653900254834897977344000
• The square root of 129309104640 is 359595.7516990433
• The cube root of 129309104640 is 5056.8068799835

Scales and comparisons

• 129,309,104,640 seconds is equal to 4,111 years, 32 weeks, 5 days, 3 hours, 44 minutes.
• To count from 1 to 129,309,104,640 would take you about eight thousand, two hundred twenty-three 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 129309104640 cubic inches would be around 421.4 feet tall.

Recreational maths with 129309104640

• 129309104640 backwards is 046401903921
• The number of decimal digits it has is: 12
• The sum of 129309104640's digits is 39
• More coming soon!