121920772157968

Names of 121920772157968

• Cardinal: 121920772157968 can be written as One hundred twenty-one trillion, nine hundred twenty billion, seven hundred seventy-two million, one hundred fifty-seven thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.21920772157968 × 10¹⁴

Factors of 121920772157968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 246

Divisors of 121920772157968

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 49 56 62 79 98 112 124 127 158 196 217 248 254 316 392 434 496 508 553 632 784 868 889 961 1016 1106 1264 1519 1736 1778 1922 2032 2212 2449 3038 3472 3556 3844 3871 3937 4424 4898 6076 6223 6727 7112 7688 7742 7874 8848 9796 10033 12152 12446 13454 14224 15376 15484 15748 16129 17143 19592 20066 24304 24892 26908 27559 30968 31496 32258 34286 39184 40132 47089 49784 53816 55118 61936 62992 64516 68572 70231 75919 80264 94178 99568 107632 110236 112903 120001 122047 129032 137144 140462 151838 160528 188356 192913 220472 225806 240002 244094 258064 274288 280924 303676 311023 376712 385826 440944 451612 480004 488188 491617 499999 531433 561848 607352 622046 753424 771652 790321 854329 903224 960008 976376 983234 999998 1062866 1123696 1214704 1244092 1274191 1543304 1580642 1708658 1806448 1920016 1952752 1966468 1999996 2048383 2125732 2177161 2488184 2548382 3086608 3161284 3417316 3499993 3720031 3932936 3999992 4096766 4251464 4354322 4976368 5096764 5980303 6322568 6834632 6999986 7440062 7865872 7999984 8193532 8502928 8708644 8919337 9641713 10193528 11960606 12645136 13669264 13999972 14338681 14880124 15240127 15499969 16387064 17417288 17838674 19283426 20387056 23921212 24499951 27999944 28677362 29760248 30480254 30999938 32774128 34834576 35677348 38566852 39499921 47842424 48999902 55999888 57354724 59520496 60960508 61999876 62435359 63499873 67491991 71354696 77133704 78999842 95684848 97999804 100370767 108499783 114709448 121921016 123999752 124870718 126999746 134983982 142709392 154267408 157999684 161822257 195999608 200741534 216999566 229418896 243842032 247999504 249741436 253999492 269967964 276499447 315999368 323644514 391999216 401483068 433999132 444499111 472443937 499482872 507998984 539935928 552998894 631998736 647289028 759498481 802966136 867998264 888998222 944887874 998965744 1015997968 1079871856 1105997788 1132755799 1224497551 1294578056 1518996962 1605932272 1735996528 1777996444 1889775748 1935496129 1968496063 2211995576 2265511598 2448995102 2589156112 3037993924 3111493777 3555992888 3779551496 3870992258 3936992126 4423991152 4531023196 4897990204 5016489967 6075987848 6222987554 7111985776 7559102992 7741984516 7873984252 7929290593 8571482857 9062046392 9795980408 10032979934 12151975696 12445975108 13779472441 15483969032 15747968504 15858581186 17142965714 18124092784 19591960816 20065959868 24891950216 27558944882 30967938064 31495937008 31717162372 34285931428 35115429769 40131919736 49783900432 55117889764 60000379999 63434324744 68571862856 70230859538 80263839472 96456307087 110235779528 120000759998 126868649488 137143725712 140461719076 155511188977 192912614174 220471559056 240001519996 245808008383 280923438152 311022377954 385825228348 480003039992 491616016766 561846876304 622044755908 771650456696 960006079984 983232033532 1088578322839 1244089511816 1543300913392 1966464067064 2177156645678 2488179023632 3932928134128 4354313291356 7620048259873 8708626582712 15240096519746 17417253165424 30480193039492 60960386078984 121920772157968
• Sum of all divisors σ(n): 289814507827200
• Sum of proper divisors (its aliquot sum) s(n): 167893735669232
• 121920772157968 is an abundant number, because the sum of its proper divisors (167893735669232) is greater than itself. Its abundance is 45972963511264

Bases of 121920772157968

• Binary: 11011101110001011100100010100001011001000010000₂
• Hexadecimal: 0x6EE2E450B210
• Base-36: 177TMNUAZ4

Squares and roots of 121920772157968

• 121920772157968 squared (121920772157968²) is 14864674683595145047545889024
• 121920772157968 cubed (121920772157968³) is 1812312615300918750066929368103135525343232
• The square root of 121920772157968 is 11041773.9588332453
• The cube root of 121920772157968 is 49586.0181277341

Scales and comparisons

• 121,920,772,157,968 seconds is equal to 3,876,703 years, 22 weeks, 2 days, 2 hours, 59 minutes, 28 seconds.
• To count from 1 to 121,920,772,157,968 would take you about nine million, six hundred ninety-one thousand, seven hundred fifty-eight 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 121920772157968 cubic inches would be around 4132.2 feet tall.

Recreational maths with 121920772157968

• 121920772157968 backwards is 869751277029121
• The number of decimal digits it has is: 15
• The sum of 121920772157968's digits is 67
• More coming soon!