129835249920

Names of 129835249920

• Cardinal: 129835249920 can be written as One hundred twenty-nine billion, eight hundred thirty-five million, two hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2983524992 × 10¹¹

Factors of 129835249920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 2352

Divisors of 129835249920

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 61 64 72 80 81 90 96 108 120 122 128 135 144 160 162 180 183 192 216 240 243 244 256 270 288 305 320 324 360 366 384 405 432 480 486 488 540 549 576 610 640 648 720 729 732 768 810 864 915 960 972 976 1080 1098 1152 1215 1220 1280 1296 1440 1458 1464 1620 1647 1728 1830 1920 1944 1952 2160 2196 2281 2304 2430 2440 2592 2745 2880 2916 2928 3240 3294 3456 3645 3660 3840 3888 3904 4320 4392 4562 4860 4880 4941 5184 5490 5760 5832 5856 6480 6588 6843 6912 7290 7320 7776 7808 8235 8640 8784 9124 9720 9760 9882 10368 10980 11405 11520 11664 11712 12960 13176 13686 14580 14640 14823 15552 15616 16470 17280 17568 18248 19440 19520 19764 20529 20736 21960 22810 23328 23424 24705 25920 26352 27372 29160 29280 29646 31104 32940 34215 34560 35136 36496 38880 39040 39528 41058 43920 44469 45620 46656 46848 49410 51840 52704 54744 58320 58560 59292 61587 62208 65880 68430 70272 72992 74115 77760 78080 79056 82116 87840 88938 91240 93312 98820 102645 103680 105408 109488 116640 117120 118584 123174 131760 136860 139141 140544 145984 148230 155520 158112 164232 175680 177876 182480 184761 186624 197640 205290 210816 218976 222345 233280 234240 237168 246348 263520 273720 278282 291968 296460 307935 311040 316224 328464 351360 355752 364960 369522 395280 410580 417423 421632 437952 444690 466560 474336 492696 527040 547440 554283 556564 583936 592920 615870 632448 656928 695705 702720 711504 729920 739044 790560 821160 834846 875904 889380 923805 933120 948672 985392 1054080 1094880 1108566 1113128 1185840 1231740 1252269 1264896 1313856 1391410 1423008 1459840 1478088 1581120 1642320 1662849 1669692 1751808 1778760 1847610 1897344 1970784 2087115 2108160 2189760 2217132 2226256 2371680 2463480 2504538 2627712 2771415 2782820 2846016 2919680 2956176 3162240 3284640 3325698 3339384 3557520 3695220 3756807 3794688 3941568 4174230 4379520 4434264 4452512 4743360 4926960 5009076 5255424 5542830 5565640 5692032 5912352 6261345 6324480 6569280 6651396 6678768 7115040 7390440 7513614 7883136 8314245 8348460 8759040 8868528 8905024 9486720 9853920 10018152 11085660 11131280 11270421 11384064 11824704 12522690 13138560 13302792 13357536 14230080 14780880 15027228 15766272 16628490 16696920 17737056 17810048 18784035 18973440 19707840 20036304 22171320 22262560 22540842 23649408 25045380 26277120 26605584 26715072 28460160 29561760 30054456 33256980 33393840 33811263 35474112 35620096 37568070 39415680 40072608 44342640 44525120 45081684 47298816 50090760 53211168 53430144 56352105 56920320 59123520 60108912 66513960 66787680 67622526 70948224 75136140 78831360 80145216 88685280 89050240 90163368 100181520 101433789 106422336 106860288 112704210 118247040 120217824 133027920 133575360 135245052 141896448 150272280 160290432 169056315 177370560 178100480 180326736 200363040 202867578 212844672 225408420 236494080 240435648 266055840 267150720 270490104 300544560 320580864 338112630 354741120 360653472 400726080 405735156 425689344 450816840 480871296 507168945 532111680 534301440 540980208 601089120 676225260 709482240 721306944 801452160 811470312 901633680 961742592 1014337890 1064223360 1081960416 1202178240 1352450520 1442613888 1602904320 1622940624 1803267360 2028675780 2128446720 2163920832 2404356480 2704901040 2885227776 3245881248 3606534720 4057351560 4327841664 4808712960 5409802080 6491762496 7213069440 8114703120 8655683328 10819604160 12983524992 14426138880 16229406240 21639208320 25967049984 32458812480 43278416640 64917624960 129835249920
• Sum of all divisors σ(n): 474132408792
• Sum of proper divisors (its aliquot sum) s(n): 344297158872
• 129835249920 is an abundant number, because the sum of its proper divisors (344297158872) is greater than itself. Its abundance is 214461908952

Bases of 129835249920

• Binary: 1111000111010110010001011000100000000₂
• Hexadecimal: 0x1E3AC8B100
• Base-36: 1NN8K000

Squares and roots of 129835249920

• 129835249920 squared (129835249920²) is 16857192121788860006400
• 129835249920 cubed (129835249920³) is 2188657752081911716402836799488000
• The square root of 129835249920 is 360326.5878616231
• The cube root of 129835249920 is 5063.6561389121

Scales and comparisons

• 129,835,249,920 seconds is equal to 4,128 years, 18 weeks, 4 days, 19 hours, 12 minutes.
• To count from 1 to 129,835,249,920 would take you about eight thousand, two hundred fifty-six 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 129835249920 cubic inches would be around 422 feet tall.

Recreational maths with 129835249920

• 129835249920 backwards is 029942538921
• 129835249920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129835249920's digits is 54
• More coming soon!