129371510840

Names of 129371510840

• Cardinal: 129371510840 can be written as One hundred twenty-nine billion, three hundred seventy-one million, five hundred ten thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.2937151084 × 10¹¹

Factors of 129371510840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1040

Divisors of 129371510840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 11 13 20 22 26 37 40 44 52 55 61 65 74 88 104 110 121 122 130 143 148 185 220 242 244 260 286 296 305 370 407 440 481 484 488 520 572 605 610 671 715 740 793 814 911 962 968 1144 1210 1220 1342 1430 1480 1573 1586 1628 1822 1924 2035 2257 2405 2420 2440 2684 2860 3146 3172 3256 3355 3644 3848 3965 4070 4477 4514 4555 4810 4840 5291 5368 5720 6292 6344 6710 7288 7381 7865 7930 8140 8723 8954 9028 9110 9620 10021 10582 11285 11843 12584 13420 14762 15730 15860 16280 17446 17908 18056 18220 19240 20042 21164 22385 22570 23686 24827 26455 26840 29341 29524 31460 31720 33707 34892 35816 36440 36905 40084 42328 43615 44770 45140 47372 49654 50105 52910 55571 58201 58682 59048 59215 62920 67414 69784 73810 80168 87230 89540 90280 94744 95953 99308 100210 105820 110231 111142 116402 117364 118430 124135 130273 134828 146705 147620 168535 174460 179080 191906 198616 200420 211640 220462 222284 232804 234728 236860 248270 260546 269656 273097 277855 291005 293410 295240 322751 337070 348920 370777 383812 400840 438191 440924 444568 465608 473720 479765 496540 521092 546194 551155 555710 582010 586820 611281 645502 651365 674140 722423 741554 767624 876382 881848 959530 993080 1042184 1092388 1102310 1111420 1164020 1173640 1222562 1291004 1302730 1348280 1365485 1433003 1444846 1483108 1613755 1752764 1853885 1919060 2056127 2184776 2190955 2204620 2222840 2328040 2445124 2582008 2605460 2730970 2866006 2889692 2966216 3056405 3227510 3505528 3550261 3612115 3707770 3838120 4078547 4112254 4381910 4409240 4820101 4890248 5210920 5461940 5732012 5779384 6112810 6455020 6724091 7100522 7165015 7224230 7415540 7946653 8157094 8224508 8763820 9640202 10280635 10923880 11464024 12225620 12910040 13448182 14201044 14330030 14448460 14831080 15893306 16314188 16449016 17527640 17751305 19280404 20392735 20561270 22617397 24100505 24451240 26729651 26896364 28402088 28660060 28896920 31786612 32628376 33620455 35502610 38560808 39733265 40785470 41122540 45234794 48201010 53021111 53459302 53792728 57320120 63573224 67240910 71005220 79466530 81570940 82245080 87413183 90469588 96402020 106042222 106918604 113086985 133648255 134481820 142010440 158933060 163141880 174826366 180939176 192804040 212084444 213837208 226173970 248791367 265105555 267296510 268963640 294026161 317866120 349652732 424168888 437065915 452347940 497582734 530211110 534593020 588052322 699305464 874131830 904695880 995165468 1060422220 1069186040 1176104644 1243956835 1470130805 1748263660 1990330936 2120844440 2352209288 2487913670 2940261610 3234287771 3496527320 4975827340 5880523220 6468575542 9951654680 11761046440 12937151084 16171438855 25874302168 32342877710 64685755420 129371510840
• Sum of all divisors σ(n): 360074453760
• Sum of proper divisors (its aliquot sum) s(n): 230702942920
• 129371510840 is an abundant number, because the sum of its proper divisors (230702942920) is greater than itself. Its abundance is 101331432080

Bases of 129371510840

• Binary: 1111000011111001001001001100000111000₂
• Hexadecimal: 0x1E1F249838
• Base-36: 1NFKGGMW

Squares and roots of 129371510840

• 129371510840 squared (129371510840²) is 16736987817024237505600
• 129371510840 cubed (129371510840³) is 2165289400799099078998464960704000
• The square root of 129371510840 is 359682.5139480651
• The cube root of 129371510840 is 5057.6202420151

Scales and comparisons

• 129,371,510,840 seconds is equal to 4,113 years, 31 weeks, 6 days, 10 hours, 47 minutes, 20 seconds.
• To count from 1 to 129,371,510,840 would take you about eight thousand, two hundred twenty-seven 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 129371510840 cubic inches would be around 421.5 feet tall.

Recreational maths with 129371510840

• 129371510840 backwards is 048015173921
• The number of decimal digits it has is: 12
• The sum of 129371510840's digits is 41
• More coming soon!