128516684142720

Names of 128516684142720

• Cardinal: 128516684142720 can be written as One hundred twenty-eight trillion, five hundred sixteen billion, six hundred eighty-four million, one hundred forty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2851668414272 × 10¹⁴

Factors of 128516684142720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 193351

Divisors of 128516684142720

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 223 240 320 384 446 480 640 669 892 960 1115 1338 1567 1784 1920 2230 2676 3134 3345 3568 4460 4701 5352 6268 6690 7136 7835 8920 9402 10704 12536 13380 14272 15670 17840 18804 21408 23505 25072 26760 28544 31340 35680 37608 42816 47010 50144 53520 62680 71360 75216 85632 94020 100288 107040 125360 142720 150432 188040 191551 200576 214080 250720 300864 349441 376080 383102 428160 501440 574653 601728 698882 752160 766204 957755 1002880 1048323 1149306 1397764 1504320 1532408 1747205 1915510 2096646 2298612 2795528 2873265 3008640 3064816 3494410 3831020 4193292 4597224 5241615 5591056 5746530 6129632 6988820 7662040 8386584 9194448 10483230 11182112 11493060 12259264 13977640 15324080 16773168 18388896 20966460 22364224 22986120 24518528 27955280 30648160 33546336 36777792 41932920 42715873 44728448 45972240 55910560 61296320 67092672 73555584 83865840 85431746 91944480 111821120 122592640 128147619 134185344 167731680 170863492 183888960 213579365 223642240 256295238 300160417 335463360 341726984 367777920 427158730 512590476 600320834 640738095 670926720 683453968 854317460 900481251 1025180952 1200641668 1281476190 1366907936 1500802085 1708634920 1800962502 2050361904 2401283336 2562952380 2733815872 3001604170 3417269840 3601925004 4100723808 4502406255 4802566672 5125904760 5467631744 6003208340 6834539680 7203850008 8201447616 9004812510 9605133344 10251809520 12006416680 13669079360 14407700016 16402895232 18009625020 19210266688 20503619040 24012833360 27338158720 28815400032 36019250040 38420533376 41007238080 48025666720 57630800064 66935772991 72038500080 82014476160 96051333440 115261600128 133871545982 144077000160 192102666880 200807318973 267743091964 288154000320 334678864955 401614637946 535486183928 576308000640 669357729910 803229275892 1004036594865 1070972367856 1338715459820 1606458551784 2008073189730 2141944735712 2677430919640 3212917103568 4016146379460 4283889471424 5354861839280 6425834207136 8032292758920 8567778942848 10709723678560 12851668414272 16064585517840 21419447357120 25703336828544 32129171035680 42838894714240 64258342071360 128516684142720
• Sum of all divisors σ(n): 411748655431680
• Sum of proper divisors (its aliquot sum) s(n): 283231971288960
• 128516684142720 is an abundant number, because the sum of its proper divisors (283231971288960) is greater than itself. Its abundance is 154715287146240

Bases of 128516684142720

• Binary: 11101001110001010011111010011100101100010000000₂
• Hexadecimal: 0x74E29F4E5880
• Base-36: 19JZQZJATC

Squares and roots of 128516684142720

• 128516684142720 squared (128516684142720²) is 16516538103039658301328998400
• 128516684142720 cubed (128516684142720³) is 2122650710519547523445695700174980251648000
• The square root of 128516684142720 is 11336519.9308570881
• The cube root of 128516684142720 is 50464.5615031647

Scales and comparisons

• 128,516,684,142,720 seconds is equal to 4,086,433 years, 1 week, 3 days, 32 minutes.
• To count from 1 to 128,516,684,142,720 would take you about ten million, two hundred sixteen thousand and eighty-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 128516684142720 cubic inches would be around 4205.4 feet tall.

Recreational maths with 128516684142720

• 128516684142720 backwards is 027241486615821
• The number of decimal digits it has is: 15
• The sum of 128516684142720's digits is 57
• More coming soon!