129979472864640

Names of 129979472864640

• Cardinal: 129979472864640 can be written as One hundred twenty-nine trillion, nine hundred seventy-nine billion, four hundred seventy-two million, eight hundred sixty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2997947286464 × 10¹⁴

Factors of 129979472864640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 107

Divisors of 129979472864640

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 31 32 35 40 42 48 49 56 59 60 62 64 70 80 84 93 96 98 105 112 118 120 124 128 140 147 155 160 168 177 186 192 196 210 217 224 236 240 245 248 280 294 295 310 320 336 343 354 372 384 392 413 420 434 448 465 472 480 490 496 560 588 590 620 640 651 672 686 708 735 744 784 826 840 868 885 896 930 944 960 961 980 992 1029 1085 1120 1176 1180 1239 1240 1302 1344 1372 1416 1470 1488 1519 1568 1652 1680 1715 1736 1770 1829 1860 1888 1920 1922 1960 1984 2058 2065 2170 2240 2352 2360 2478 2480 2604 2688 2744 2832 2883 2891 2940 2976 3038 3136 3255 3304 3360 3430 3472 3481 3540 3658 3720 3776 3844 3920 3968 4116 4130 4340 4480 4557 4704 4720 4805 4956 4960 5145 5208 5487 5488 5664 5766 5782 5880 5952 6076 6195 6272 6510 6608 6720 6727 6860 6944 6962 7080 7316 7440 7552 7595 7688 7840 8232 8260 8673 8680 9114 9145 9408 9440 9610 9912 9920 10290 10416 10443 10633 10974 10976 11328 11532 11564 11760 11904 12152 12390 12803 13020 13216 13440 13454 13720 13888 13924 14160 14415 14455 14632 14880 15190 15376 15680 16464 16520 17346 17360 17405 18228 18290 18816 18880 19220 19824 19840 20181 20237 20580 20832 20886 21266 21948 21952 22656 22785 23064 23128 23520 24304 24367 24780 25606 26040 26432 26908 27435 27440 27776 27848 28320 28830 28910 29264 29760 30380 30752 31360 31899 32928 33040 33635 34692 34720 34810 36456 36580 37760 38409 38440 39648 40362 40474 41160 41664 41772 42532 43365 43896 43904 45570 46128 46256 47040 47089 48608 48734 49560 51212 52080 52215 52864 53165 53816 54870 54880 55696 56640 56699 57660 57820 58528 59520 60711 60760 61504 63798 64015 65856 66080 67270 69384 69440 69620 72912 73101 73160 76818 76880 79296 80724 80948 82320 83328 83544 85064 86730 87792 89621 91140 92256 92512 94080 94178 97216 97468 99120 100905 101185 102424 104160 104430 106330 107632 107911 109740 109760 111392 113280 113398 115320 115640 117056 121422 121520 121835 123008 127596 128030 131712 132160 134540 138768 138880 139240 141267 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193421834620 199661248640 203092926351 209644311072 220304191296 221053525280 232106201544 262055388840 265264230336 270790568468 275380239120 279525748096 290132751930 299491872960 309474935392 314720273280 331580287920 338488210585 349407185120 367173652160 378948900480 386843669240 406185852702 419288622144 440608382592 442107050560 464212403088 524110777680 530528460672 541581136936 550760478240 580265503860 598983745920 618949870784 663160575840 676976421170 698814370240 734347304320 773687338480 812371705404 838577244288 884214101120 928424806176 1015464631755 1048221555360 1083162273872 1101520956480 1160531007720 1237899741568 1326321151680 1353952842340 1397628740480 1547374676960 1624743410808 1856849612352 2030929263510 2096443110720 2166324547744 2203041912960 2321062015440 2652642303360 2707905684680 3094749353920 3249486821616 3713699224704 4061858527020 4192886221440 4332649095488 4642124030880 5415811369360 6189498707840 6498973643232 8123717054040 8665298190976 9284248061760 10831622738720 12997947286464 16247434108080 18568496123520 21663245477440 25995894572928 32494868216160 43326490954880 64989736432320 129979472864640
• Sum of all divisors σ(n): 507856106880000
• Sum of proper divisors (its aliquot sum) s(n): 377876634015360
• 129979472864640 is an abundant number, because the sum of its proper divisors (377876634015360) is greater than itself. Its abundance is 247897161150720

Bases of 129979472864640

• Binary: 11101100011011100110100010011101110010110000000₂
• Hexadecimal: 0x7637344EE580
• Base-36: 1A2NQU68AO

Squares and roots of 129979472864640

• 129979472864640 squared (129979472864640²) is 16894663366169686087762329600
• 129979472864640 cubed (129979472864640³) is 2195959438560280193018050641820791865344000
• The square root of 129979472864640 is 11400854.0410199093
• The cube root of 129979472864640 is 50655.3037352453

Scales and comparisons

• 129,979,472,864,640 seconds is equal to 4,132,945 years, 9 weeks, 4 days, 1 hour, 4 minutes.
• To count from 1 to 129,979,472,864,640 would take you about ten million, three hundred thirty-two thousand, three hundred sixty-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 129979472864640 cubic inches would be around 4221.3 feet tall.

Recreational maths with 129979472864640

• 129979472864640 backwards is 046468274979921
• The number of decimal digits it has is: 15
• The sum of 129979472864640's digits is 78
• More coming soon!