129296408640

Names of 129296408640

• Cardinal: 129296408640 can be written as One hundred twenty-nine billion, two hundred ninety-six million, four hundred eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2929640864 × 10¹¹

Factors of 129296408640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5116

Divisors of 129296408640

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 53 56 60 64 70 73 80 84 96 105 106 112 120 140 146 159 160 168 192 210 212 219 224 240 265 280 292 318 320 336 365 371 420 424 438 448 480 511 530 560 584 636 672 730 742 795 840 848 876 960 1022 1060 1095 1113 1120 1168 1272 1344 1460 1484 1533 1590 1680 1696 1752 1855 2044 2120 2190 2226 2240 2336 2544 2555 2920 2968 3066 3180 3360 3392 3504 3710 3869 4088 4240 4380 4452 4672 4973 5088 5110 5565 5840 5936 6132 6360 6720 7008 7420 7665 7738 8176 8480 8760 8904 9946 10176 10220 11130 11607 11680 11872 12264 12720 14016 14840 14919 15330 15476 16352 16960 17520 17808 19345 19892 20440 22260 23214 23360 23744 24528 24865 25440 27083 29680 29838 30660 30952 32704 34811 35040 35616 38690 39784 40880 44520 46428 49056 49730 50880 54166 58035 59360 59676 61320 61904 69622 70080 71232 74595 77380 79568 81249 81760 89040 92856 98112 99460 104433 108332 116070 118720 119352 122640 123808 135415 139244 149190 154760 159136 162498 163520 174055 178080 185712 198920 208866 216664 232140 238704 245280 247616 263569 270830 278488 298380 309520 318272 324996 348110 356160 363029 371424 397840 406245 417732 433328 464280 477408 490560 522165 527138 541660 556976 596760 619040 649992 696220 726058 742848 790707 795680 812490 835464 866656 928560 954816 1044330 1054276 1083320 1089087 1113952 1193520 1238080 1299984 1317845 1392440 1452116 1581414 1591360 1624980 1670928 1733312 1815145 1844983 1857120 2088660 2108552 2166640 2178174 2227904 2387040 2541203 2599968 2635690 2784880 2904232 3162828 3249960 3341856 3630290 3689966 3714240 3953535 4177320 4217104 4333280 4356348 4774080 5082406 5199936 5271380 5445435 5534949 5569760 5808464 6325656 6499920 6683712 7260580 7379932 7623609 7907070 8354640 8434208 8666560 8712696 9224915 10164812 10542760 10890870 11069898 11139520 11616928 12651312 12706015 12999840 14521160 14759864 15247218 15814140 16709280 16868416 17425392 18449830 19240537 20329624 21085520 21781740 22139796 23233856 25302624 25412030 25999680 27674745 29042320 29519728 30494436 31628280 33418560 34850784 36899660 38118045 38481074 40659248 42171040 43563480 44279592 50605248 50824060 55349490 57721611 58084640 59039456 60988872 63256560 69701568 73799320 76236090 76962148 81318496 84342080 87126960 88559184 96202685 101648120 110698980 115443222 116169280 118078912 121977744 126513120 134683759 147598640 152472180 153924296 162636992 174253920 177118368 192405370 203296240 221397960 230886444 243955488 253026240 269367518 288608055 295197280 304944360 307848592 348507840 354236736 384810740 404051277 406592480 442795920 461772888 487910976 538735036 577216110 590394560 609888720 615697184 673418795 769621480 808102554 813184960 885591840 923545776 1077470072 1154432220 1219777440 1231394368 1346837590 1539242960 1616205108 1771183680 1847091552 2020256385 2154940144 2308864440 2439554880 2693675180 3078485920 3232410216 3694183104 4040512770 4309880288 4617728880 5387350360 6156971840 6464820432 8081025540 8619760576 9235457760 10774700720 12929640864 16162051080 18470915520 21549401440 25859281728 32324102160 43098802880 64648204320 129296408640
• Sum of all divisors σ(n): 484658919936
• Sum of proper divisors (its aliquot sum) s(n): 355362511296
• 129296408640 is an abundant number, because the sum of its proper divisors (355362511296) is greater than itself. Its abundance is 226066102656

Bases of 129296408640

• Binary: 1111000011010101010101010000001000000₂
• Hexadecimal: 0x1E1AAAA040
• Base-36: 1NEBQREO

Squares and roots of 129296408640

• 129296408640 squared (129296408640²) is 16717561287201866649600
• 129296408640 cubed (129296408640³) is 2161520635654296952497469292544000
• The square root of 129296408640 is 359578.0981094371
• The cube root of 129296408640 is 5056.6413765011

Scales and comparisons

• 129,296,408,640 seconds is equal to 4,111 years, 11 weeks, 5 days, 5 hours, 4 minutes.
• To count from 1 to 129,296,408,640 would take you about eight thousand, two hundred twenty-two 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 129296408640 cubic inches would be around 421.4 feet tall.

Recreational maths with 129296408640

• 129296408640 backwards is 046804692921
• The number of decimal digits it has is: 12
• The sum of 129296408640's digits is 51
• More coming soon!