129737072640

Names of 129737072640

• Cardinal: 129737072640 can be written as One hundred twenty-nine billion, seven hundred thirty-seven million, seventy-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2973707264 × 10¹¹

Factors of 129737072640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 789

Divisors of 129737072640

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 29 30 32 35 40 42 48 49 56 58 60 64 70 80 84 87 96 98 105 112 116 120 128 140 145 147 160 168 174 192 196 203 210 224 232 240 245 256 280 290 294 320 336 348 384 392 406 420 435 448 464 480 490 512 560 580 588 609 640 672 696 735 743 768 784 812 840 870 896 928 960 980 1015 1024 1120 1160 1176 1218 1280 1344 1392 1421 1470 1486 1536 1568 1624 1680 1740 1792 1856 1920 1960 2030 2048 2229 2240 2320 2352 2436 2560 2688 2784 2842 2940 2972 3045 3072 3136 3248 3360 3480 3584 3712 3715 3840 3920 4060 4096 4263 4458 4480 4640 4704 4872 5120 5201 5376 5568 5684 5880 5944 6090 6144 6272 6496 6720 6960 7105 7168 7424 7430 7680 7840 8120 8192 8526 8916 8960 9280 9408 9744 10240 10402 10752 11136 11145 11368 11760 11888 12180 12288 12544 12992 13440 13920 14210 14336 14848 14860 15360 15603 15680 16240 17052 17832 17920 18560 18816 19488 20480 20804 21315 21504 21547 22272 22290 22736 23520 23776 24360 24576 25088 25984 26005 26880 27840 28420 28672 29696 29720 30720 31206 31360 32480 34104 35664 35840 36407 37120 37632 38976 40960 41608 42630 43008 43094 44544 44580 45472 47040 47552 48720 50176 51968 52010 53760 55680 56840 57344 59392 59440 61440 62412 62720 64641 64960 68208 71328 71680 72814 74240 75264 77952 78015 83216 85260 86016 86188 89088 89160 90944 94080 95104 97440 100352 103936 104020 107520 107735 109221 111360 113680 118784 118880 122880 124824 125440 129282 129920 136416 142656 143360 145628 148480 150528 150829 155904 156030 166432 170520 172032 172376 178176 178320 181888 182035 188160 190208 194880 200704 207872 208040 215040 215470 218442 222720 227360 237568 237760 249648 250880 258564 259840 272832 285312 286720 291256 296960 301056 301658 311808 312060 323205 332864 341040 344752 356352 356640 363776 364070 376320 380416 389760 401408 415744 416080 430080 430940 436884 445440 452487 454720 475520 499296 501760 517128 519680 545664 546105 570624 582512 593920 602112 603316 623616 624120 646410 665728 682080 689504 712704 713280 727552 728140 752640 754145 760832 779520 831488 832160 860160 861880 873768 890880 904974 909440 951040 998592 1003520 1034256 1039360 1055803 1091328 1092210 1141248 1165024 1187840 1204224 1206632 1247232 1248240 1292820 1331456 1364160 1379008 1426560 1455104 1456280 1505280 1508290 1521664 1559040 1662976 1664320 1723760 1747536 1781760 1809948 1818880 1902080 1997184 2007040 2068512 2078720 2111606 2182656 2184420 2262435 2282496 2330048 2413264 2494464 2496480 2585640 2662912 2728320 2758016 2853120 2910208 2912560 3010560 3016580 3043328 3118080 3167409 3328640 3447520 3495072 3563520 3619896 3637760 3804160 3994368 4137024 4157440 4223212 4365312 4368840 4524870 4564992 4660096 4826528 4988928 4992960 5171280 5279015 5325824 5456640 5516032 5706240 5820416 5825120 6021120 6033160 6086656 6236160 6334818 6657280 6895040 6990144 7239792 7275520 7608320 7988736 8274048 8314880 8446424 8730624 8737680 9049740 9129984 9320192 9653056 9985920 10342560 10558030 10651648 10913280 11032064 11412480 11640832 11650240 12066320 12472320 12669636 13314560 13790080 13980288 14479584 14551040 15216640 15837045 15977472 16548096 16892848 17461248 17475360 18099480 18259968 18640384 19306112 19971840 20685120 21116060 21303296 21826560 22064128 22824960 23300480 24132640 24944640 25339272 26629120 27580160 27960576 28959168 29102080 30433280 31674090 31954944 33096192 33785696 34922496 34950720 36198960 37280768 38612224 39943680 41370240 42232120 42606592 43653120 44128256 45649920 46600960 48265280 50678544 53258240 55160320 55921152 57918336 58204160 63348180 63909888 66192384 67571392 69901440 72397920 74561536 77224448 79887360 82740480 84464240 87306240 88256512 91299840 93201920 96530560 101357088 106516480 110320640 111842304 115836672 126696360 127819776 132384768 135142784 139802880 144795840 149123072 154448896 159774720 165480960 168928480 174612480 176513024 186403840 193061120 202714176 213032960 220641280 223684608 231673344 253392720 264769536 270285568 279605760 289591680 298246144 308897792 319549440 330961920 337856960 372807680 386122240 405428352 441282560 447369216 463346688 506785440 529539072 540571136 559211520 579183360 617795584 639098880 661923840 675713920 745615360 772244480 810856704 882565120 894738432 926693376 1013570880 1081142272 1118423040 1158366720 1235591168 1323847680 1351427840 1491230720 1544488960 1621713408 1853386752 2027141760 2162284544 2236846080 2316733440 2647695360 2702855680 3088977920 3243426816 3706773504 4054283520 4324569088 4473692160 4633466880 5405711360 6177955840 6486853632 8108567040 8649138176 9266933760 10811422720 12973707264 16217134080 18533867520 21622845440 25947414528 32434268160 43245690880 64868536320 129737072640
• Sum of all divisors σ(n): 500234590080
• Sum of proper divisors (its aliquot sum) s(n): 370497517440
• 129737072640 is an abundant number, because the sum of its proper divisors (370497517440) is greater than itself. Its abundance is 240760444800

Bases of 129737072640

• Binary: 1111000110100111011101010000000000000₂
• Hexadecimal: 0x1E34EEA000
• Base-36: 1NLM3PXC

Squares and roots of 129737072640

• 129737072640 squared (129737072640²) is 16831708017196636569600
• 129737072640 cubed (129737072640³) is 2183696525682310407793875615744000
• The square root of 129737072640 is 360190.3283543299
• The cube root of 129737072640 is 5062.3794919157

Scales and comparisons

• 129,737,072,640 seconds is equal to 4,125 years, 12 weeks, 2 days, 11 hours, 44 minutes.
• To count from 1 to 129,737,072,640 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 129737072640 cubic inches would be around 421.9 feet tall.

Recreational maths with 129737072640

• 129737072640 backwards is 046270737921
• 129737072640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129737072640's digits is 48
• More coming soon!