129640542080

Names of 129640542080

• Cardinal: 129640542080 can be written as One hundred twenty-nine billion, six hundred forty million, five hundred forty-two thousand and eighty.

Scientific notation

• Scientific notation: 1.2964054208 × 10¹¹

Factors of 129640542080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 882

Divisors of 129640542080

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 29 32 34 35 40 56 58 64 68 70 79 80 85 112 116 119 128 136 140 145 158 160 170 203 224 232 238 272 280 290 316 320 340 395 406 448 464 476 493 544 553 560 580 595 632 640 680 743 790 812 896 928 952 986 1015 1088 1106 1120 1160 1190 1264 1343 1360 1486 1580 1624 1856 1904 1972 2030 2176 2212 2240 2291 2320 2380 2465 2528 2686 2720 2765 2972 3160 3248 3451 3712 3715 3808 3944 4060 4424 4480 4582 4640 4760 4930 5056 5201 5372 5440 5530 5944 6320 6496 6715 6902 7430 7616 7888 8120 8848 9164 9280 9401 9520 9860 10112 10402 10744 10880 11060 11455 11888 12631 12640 12992 13430 13804 14860 15232 15776 16037 16240 17255 17696 18328 18560 18802 19040 19720 20804 21488 21547 22120 22910 23776 25262 25280 25984 26005 26860 27608 29720 31552 32074 32480 34510 35392 36656 37604 38080 38947 39440 41608 42976 43094 44240 45820 47005 47552 50524 50560 52010 53720 55216 58697 59440 63104 63155 64148 64960 69020 70784 73312 75208 76160 77894 78880 80185 83216 85952 86188 88417 88480 91640 94010 95104 101048 104020 107440 107735 110432 117394 118880 126310 128296 129920 138040 146624 150416 150829 155788 157760 160370 166432 171904 172376 176834 176960 183280 188020 194735 202096 208040 214880 215470 220864 234788 237760 252620 256592 272629 276080 293248 293485 300832 301658 311576 315520 320740 332864 344752 353668 353920 366299 366560 376040 389470 404192 410879 416080 429760 430940 441728 442085 469576 475520 505240 513184 545258 552160 586970 601664 603316 623152 641480 665728 689504 707336 732598 733120 752080 754145 778940 808384 821758 832160 859520 861880 884170 939152 997849 1010480 1026368 1090516 1104320 1173940 1203328 1206632 1246304 1282960 1363145 1379008 1414672 1465196 1466240 1504160 1508290 1557880 1616768 1643516 1664320 1702213 1723760 1768340 1831495 1878304 1995698 2020960 2052736 2054395 2181032 2208640 2347880 2413264 2492608 2564093 2565920 2726290 2758016 2829344 2930392 3008320 3016580 3115760 3287032 3328640 3404426 3447520 3536680 3662990 3756608 3991396 4041920 4108790 4362064 4695760 4826528 4985216 4989245 5128186 5131840 5452580 5658688 5860784 6016640 6033160 6231520 6574064 6808852 6895040 6984943 7073360 7325980 7513216 7982792 8083840 8217580 8511065 8724128 9391520 9653056 9978490 10256372 10263680 10905160 11317376 11721568 11915491 12066320 12463040 12820465 13148128 13617704 13790080 13969886 14146720 14651960 15965584 16435160 17022130 17448256 18783040 19306112 19956980 20512744 21810320 23443136 23830982 24132640 24926080 25640930 26296256 27235408 27939772 28293440 28937621 29303920 31931168 32870320 34044260 34896512 34924715 37566080 39913960 41025488 43620640 46886272 47661964 48265280 51281860 52592512 54470816 55879544 56586880 57875242 58607840 59577455 63862336 65740640 68088520 69849430 79827920 82050976 87241280 95323928 96530560 102563720 108941632 111759088 115750484 117215680 119154910 127724672 131481280 136177040 139698860 144688105 159655840 164101952 174482560 190647856 202563347 205127440 217883264 223518176 231500968 234431360 238309820 262962560 272354080 279397720 289376210 319311680 328203904 381295712 405126694 410254880 447036352 463001936 476619640 544708160 558795440 578752420 638623360 762591424 810253388 820509760 894072704 926003872 953239280 1012816735 1089416320 1117590880 1157504840 1525182848 1620506776 1641019520 1852007744 1906478560 2025633470 2235181760 2315009680 3241013552 3704015488 3812957120 4051266940 4470363520 4630019360 6482027104 7625914240 8102533880 9260038720 12964054208 16205067760 18520077440 25928108416 32410135520 64820271040 129640542080
• Sum of all divisors σ(n): 393403392000
• Sum of proper divisors (its aliquot sum) s(n): 263762849920
• 129640542080 is an abundant number, because the sum of its proper divisors (263762849920) is greater than itself. Its abundance is 134122307840

Bases of 129640542080

• Binary: 1111000101111001011011010111110000000₂
• Hexadecimal: 0x1E2F2DAF80
• Base-36: 1NK0MQGW

Squares and roots of 129640542080

• 129640542080 squared (129640542080²) is 16806670150796250726400
• 129640542080 cubed (129640542080³) is 2178825828908981287802089766912000
• The square root of 129640542080 is 360056.3040414651
• The cube root of 129640542080 is 5061.1236299213

Scales and comparisons

• 129,640,542,080 seconds is equal to 4,122 years, 8 weeks, 5 days, 5 hours, 41 minutes, 20 seconds.
• To count from 1 to 129,640,542,080 would take you about eight thousand, two hundred forty-four 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 129640542080 cubic inches would be around 421.8 feet tall.

Recreational maths with 129640542080

• 129640542080 backwards is 080245046921
• The number of decimal digits it has is: 12
• The sum of 129640542080's digits is 41
• More coming soon!