161555284993600

Names of 161555284993600

• Cardinal: 161555284993600 can be written as One hundred sixty-one trillion, five hundred fifty-five billion, two hundred eighty-four million, nine hundred ninety-three thousand, six hundred.

Scientific notation

• Scientific notation: 1.615552849936 × 10¹⁴

Factors of 161555284993600

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1817

Divisors of 161555284993600

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 197 200 320 394 400 788 800 985 1576 1600 1613 1970 3152 3226 3940 4925 6304 6452 7880 8065 9850 12608 12904 15760 16130 19700 25808 31520 32260 38809 39400 40325 51616 63040 64520 77618 78800 80650 103232 129040 155236 157600 161300 194045 258080 310472 315200 317761 322600 388090 516160 620944 635522 645200 776180 970225 1241888 1271044 1290400 1552360 1588805 1940450 2483776 2542088 2580800 2601769 3104720 3177610 3880900 5084176 5203538 6209440 6355220 7761800 7944025 10168352 10407076 12418880 12710440 13008845 15523600 15888050 20336704 20814152 25420880 26017690 31047200 31776100 41628304 50841760 52035380 62094400 62598917 63552200 65044225 83256608 101683520 104070760 125197834 127104400 130088450 166513216 208141520 250395668 254208800 260176900 312994585 416283040 500791336 508417600 512548493 520353800 625989170 832566080 1001582672 1025096986 1040707600 1251978340 1564972925 2003165344 2050193972 2081415200 2503956680 2562742465 3129945850 4006330688 4100387944 4162830400 5007913360 5125484930 6259891700 8200775888 10015826720 10250969860 12519783400 12813712325 16401551776 20031653440 20501939720 25039566800 25627424650 32803103552 41003879440 50079133600 51254849300 82007758880 100158267200 100972053121 102509698600 164015517760 201944106242 205019397200 403888212484 410038794400 504860265605 807776424968 820077588800 1009720531210 1615552849936 2019441062420 2524301328025 3231105699872 4038882124840 5048602656050 6462211399744 8077764249680 10097205312100 16155528499360 20194410624200 32311056998720 40388821248400 80777642496800 161555284993600
• Sum of all divisors σ(n): 399802982601097
• Sum of proper divisors (its aliquot sum) s(n): 238247697607497
• 161555284993600 is an abundant number, because the sum of its proper divisors (238247697607497) is greater than itself. Its abundance is 76692412613897

Bases of 161555284993600

• Binary: 100100101110111100000101010111111010011001000000₂
• Hexadecimal: 0x92EF055FA640
• Base-36: 1L9LH1G8XS

Squares and roots of 161555284993600

• 161555284993600 squared (161555284993600²) is 26100110109363317352040960000
• 161555284993600 cubed (161555284993600³) is 4216610727082531198654497393420537856000000
• 161555284993600 is a perfect square number. Its square root is 12710440
• The cube root of 161555284993600 is 54463.6893047371

Scales and comparisons

• 161,555,284,993,600 seconds is equal to 5,136,958 years, 17 weeks, 4 days, 13 hours, 46 minutes, 40 seconds.
• To count from 1 to 161,555,284,993,600 would take you about twelve million, eight hundred forty-two thousand, three hundred ninety-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 161555284993600 cubic inches would be around 4538.6 feet tall.

Recreational maths with 161555284993600

• 161555284993600 backwards is 006399482555161
• 161555284993600 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 161555284993600's digits is 64
• More coming soon!