121809467894976

Names of 121809467894976

• Cardinal: 121809467894976 can be written as One hundred twenty-one trillion, eight hundred nine billion, four hundred sixty-seven million, eight hundred ninety-four thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 1.21809467894976 × 10¹⁴

Factors of 121809467894976

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1780871

Divisors of 121809467894976

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 864 972 1296 1728 1944 2592 3888 4409 5184 7776 8818 13227 15552 17636 26454 35272 39681 52908 70544 79362 105816 119043 141088 158724 211632 238086 282176 317448 357129 423264 476172 634896 714258 846528 952344 1071387 1269792 1428516 1776457 1904688 2142774 2539584 2857032 3552914 3809376 4285548 5329371 5714064 7105828 7618752 8571096 10658742 11428128 14211656 15988113 17142192 21317484 22856256 28423312 31976226 34284384 42634968 47964339 56846624 63952452 68568768 85269936 95928678 113693248 127904904 143893017 170539872 191857356 255809808 287786034 341079744 383714712 431679051 511619616 575572068 767429424 863358102 1023239232 1151144136 1534858848 1726716204 2302288272 3069717696 3453432408 4604576544 6906864816 7832398913 9209153088 13813729632 15664797826 23497196739 27627459264 31329595652 46994393478 62659191304 70491590217 93988786956 125318382608 140983180434 187977573912 211474770651 250636765216 281966360868 375955147824 422949541302 501273530432 563932721736 634424311953 751910295648 845899082604 1127865443472 1268848623906 1503820591296 1691798165208 1903272935859 2255730886944 2537697247812 3383596330416 3806545871718 4511461773888 5075394495624 6767192660832 7613091743436 10150788991248 13534385321664 15226183486872 20301577982496 30452366973744 40603155964992 60904733947488 121809467894976
• Sum of all divisors σ(n): 362158462869840
• Sum of proper divisors (its aliquot sum) s(n): 240348994974864
• 121809467894976 is an abundant number, because the sum of its proper divisors (240348994974864) is greater than itself. Its abundance is 118539527079888

Bases of 121809467894976

• Binary: 11011101100100011111010000100000110110011000000₂
• Hexadecimal: 0x6EC8FA106CC0
• Base-36: 176EHW5O00

Squares and roots of 121809467894976

• 121809467894976 squared (121809467894976²) is 14837546468857188876566040576
• 121809467894976 cubed (121809467894976³) is 1807353640238474264684769664856501722546176
• The square root of 121809467894976 is 11036732.6639262219
• The cube root of 121809467894976 is 49570.9241300175

Scales and comparisons

• 121,809,467,894,976 seconds is equal to 3,873,164 years, 15 weeks, 3 days, 8 hours, 9 minutes, 36 seconds.
• To count from 1 to 121,809,467,894,976 would take you about nine million, six hundred eighty-two thousand, nine hundred ten 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 121809467894976 cubic inches would be around 4130.9 feet tall.

Recreational maths with 121809467894976

• 121809467894976 backwards is 679498764908121
• 121809467894976 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 121809467894976's digits is 81
• More coming soon!