129345372160

Names of 129345372160

• Cardinal: 129345372160 can be written as One hundred twenty-nine billion, three hundred forty-five million, three hundred seventy-two thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.2934537216 × 10¹¹

Factors of 129345372160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 91

Divisors of 129345372160

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 53 62 64 80 106 124 128 155 160 212 248 256 265 310 320 424 496 512 530 620 640 848 961 992 1024 1060 1240 1280 1643 1696 1922 1984 2048 2120 2480 2560 3286 3392 3844 3968 4096 4240 4805 4960 5120 6572 6784 7688 7936 8192 8215 8480 9610 9920 10240 13144 13568 15376 15872 16384 16430 16960 19220 19840 20480 26288 27136 29791 30752 31744 32860 33920 38440 39680 40960 50933 52576 54272 59582 61504 63488 65720 67840 76880 79360 81920 101866 105152 108544 119164 123008 126976 131440 135680 148955 153760 158720 203732 210304 217088 238328 246016 253952 254665 262880 271360 297910 307520 317440 407464 420608 434176 476656 492032 507904 509330 525760 542720 595820 615040 634880 814928 841216 868352 953312 984064 1018660 1051520 1085440 1191640 1230080 1269760 1578923 1629856 1682432 1906624 1968128 2037320 2103040 2170880 2383280 2460160 2539520 3157846 3259712 3364864 3813248 3936256 4074640 4206080 4341760 4766560 4920320 6315692 6519424 6729728 7626496 7872512 7894615 8149280 8412160 9533120 9840640 12631384 13038848 13459456 15252992 15745024 15789230 16298560 16824320 19066240 19681280 25262768 26077696 26918912 30505984 31578460 32597120 33648640 38132480 39362560 50525536 52155392 61011968 63156920 65194240 67297280 76264960 78725120 101051072 104310784 122023936 126313840 130388480 134594560 152529920 202102144 208621568 244047872 252627680 260776960 305059840 404204288 417243136 488095744 505255360 521553920 610119680 808408576 834486272 1010510720 1043107840 1220239360 1616817152 2021021440 2086215680 2440478720 3233634304 4042042880 4172431360 6467268608 8084085760 12934537216 16168171520 25869074432 32336343040 64672686080 129345372160
• Sum of all divisors σ(n): 326818582272
• Sum of proper divisors (its aliquot sum) s(n): 197473210112
• 129345372160 is an abundant number, because the sum of its proper divisors (197473210112) is greater than itself. Its abundance is 68127837952

Bases of 129345372160

• Binary: 1111000011101100101011100000000000000₂
• Hexadecimal: 0x1E1D95C000
• Base-36: 1NF4W7WG

Squares and roots of 129345372160

• 129345372160 squared (129345372160²) is 16730225299208903065600
• 129345372160 cubed (129345372160³) is 2163977217646822920605396893696000
• The square root of 129345372160 is 359646.1763455855
• The cube root of 129345372160 is 5057.2795992141

Scales and comparisons

• 129,345,372,160 seconds is equal to 4,112 years, 40 weeks, 4 days, 22 hours, 2 minutes, 40 seconds.
• To count from 1 to 129,345,372,160 would take you about eight thousand, two hundred twenty-five 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 129345372160 cubic inches would be around 421.4 feet tall.

Recreational maths with 129345372160

• 129345372160 backwards is 061273543921
• The number of decimal digits it has is: 12
• The sum of 129345372160's digits is 43
• More coming soon!