129689831040

Names of 129689831040

• Cardinal: 129689831040 can be written as One hundred twenty-nine billion, six hundred eighty-nine million, eight hundred thirty-one thousand and forty.

Scientific notation

• Scientific notation: 1.2968983104 × 10¹¹

Factors of 129689831040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 13188

Divisors of 129689831040

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 32 33 35 40 42 44 48 55 56 60 64 66 67 70 77 80 84 88 96 105 110 112 120 128 132 134 140 154 160 165 168 176 192 201 210 220 224 231 240 264 268 280 308 320 330 335 336 352 384 385 402 420 440 448 462 469 480 528 536 560 616 640 660 670 672 704 737 770 804 840 880 896 924 938 960 1005 1056 1072 1120 1155 1232 1320 1340 1344 1407 1408 1474 1540 1608 1680 1760 1848 1876 1920 2010 2112 2144 2211 2240 2310 2345 2464 2640 2680 2688 2814 2948 3080 3216 3360 3520 3685 3696 3752 4020 4224 4288 4422 4480 4620 4690 4928 5159 5280 5360 5628 5896 6160 6432 6720 7035 7040 7370 7392 7504 8040 8576 8844 9240 9380 9856 10318 10560 10720 11055 11256 11792 12320 12864 13093 13440 14070 14740 14784 15008 15477 16080 17688 18480 18760 20636 21120 21440 22110 22512 23584 24640 25728 25795 26186 28140 29480 29568 30016 30954 32160 35376 36960 37520 39279 41272 42880 44220 45024 47168 49280 51590 52372 56280 58960 60032 61908 64320 65465 70752 73920 75040 77385 78558 82544 88440 90048 91651 94336 103180 104744 112560 117920 123816 128640 130930 141504 144023 147840 150080 154770 157116 165088 176880 180096 183302 196395 206360 209488 225120 235840 247632 261860 274953 283008 288046 300160 309540 314232 330176 353760 366604 392790 412720 418976 432069 450240 458255 471680 495264 523720 549906 576092 619080 628464 660352 707520 720115 733208 785580 825440 837952 864138 877231 900480 916510 990528 1008161 1047440 1099812 1152184 1238160 1256928 1374765 1415040 1440230 1466416 1571160 1650880 1675904 1728276 1754462 1833020 1981056 2016322 2094880 2160345 2199624 2304368 2476320 2513856 2631693 2749530 2880460 2932832 3024483 3142320 3301760 3456552 3508924 3666040 4032644 4189760 4320690 4386155 4399248 4608736 4952640 5027712 5040805 5263386 5499060 5760920 5865664 6048966 6140617 6284640 6913104 7017848 7332080 8065288 8379520 8641380 8772310 8798496 9217472 9649541 9905280 10081610 10526772 10998120 11521840 11731328 12097932 12281234 12569280 13158465 13826208 14035696 14664160 15122415 16130576 17282760 17544620 17596992 18421851 18434944 19299082 20163220 21053544 21996240 23043680 24195864 24562468 25138560 26316930 27652416 28071392 28948623 29328320 30244830 30703085 32261152 34565520 35089240 35193984 36843702 38598164 40326440 42107088 43992480 46087360 48247705 48391728 49124936 52633860 55304832 56142784 57897246 58656640 60489660 61406170 64522304 67546787 69131040 70178480 73687404 77196328 80652880 84214176 87984960 92109255 92174720 96495410 96783456 98249872 105267720 112285568 115794492 120979320 122812340 129044608 135093574 138262080 140356960 144743115 147374808 154392656 161305760 168428352 175969920 184218510 192990820 193566912 196499744 202640361 210535440 231588984 241958640 245624680 270187148 276524160 280713920 289486230 294749616 308785312 322611520 336856704 337733935 368437020 385981640 387133824 392999488 405280722 421070880 463177968 483917280 491249360 540374296 561427840 578972460 589499232 617570624 645223040 675467870 736874040 771963280 785998976 810561444 842141760 926355936 967834560 982498720 1013201805 1080748592 1157944920 1178998464 1235141248 1350935740 1473748080 1543926560 1621122888 1684283520 1852711872 1935669120 1964997440 2026403610 2161497184 2315889840 2357996928 2701871480 2947496160 3087853120 3242245776 3705423744 3929994880 4052807220 4322994368 4631779680 5403742960 5894992320 6175706240 6484491552 8105614440 8645988736 9263559360 10807485920 11789984640 12968983104 16211228880 18527118720 21614971840 25937966208 32422457760 43229943680 64844915520 129689831040
• Sum of all divisors σ(n): 523123107840
• Sum of proper divisors (its aliquot sum) s(n): 393433276800
• 129689831040 is an abundant number, because the sum of its proper divisors (393433276800) is greater than itself. Its abundance is 263743445760

Bases of 129689831040

• Binary: 1111000110010000111011100011010000000₂
• Hexadecimal: 0x1E321DC680
• Base-36: 1NKTZ62O

Squares and roots of 129689831040

• 129689831040 squared (129689831040²) is 16819452275183747481600
• 129689831040 cubed (129689831040³) is 2181311923753923795842729508864000
• The square root of 129689831040 is 360124.7437208391
• The cube root of 129689831040 is 5061.7649568511

Scales and comparisons

• 129,689,831,040 seconds is equal to 4,123 years, 38 weeks, 1 day, 17 hours, 4 minutes.
• To count from 1 to 129,689,831,040 would take you about eight thousand, two hundred forty-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 129689831040 cubic inches would be around 421.8 feet tall.

Recreational maths with 129689831040

• 129689831040 backwards is 040138986921
• The number of decimal digits it has is: 12
• The sum of 129689831040's digits is 51
• More coming soon!