161121697757396992

Names of 161121697757396992

• Cardinal: 161121697757396992 can be written as One hundred sixty-one quadrillion, one hundred twenty-one trillion, six hundred ninety-seven billion, seven hundred fifty-seven million, three hundred ninety-six thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.61121697757396992 × 10¹⁷

Factors of 161121697757396992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 25
• Sum of prime factors: 13489

Divisors of 161121697757396992

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 121 128 154 176 224 242 256 308 352 448 484 512 616 704 847 896 968 1024 1232 1408 1694 1792 1936 2048 2464 2816 3388 3584 3872 4096 4928 5632 6776 7168 7744 8192 9856 11264 13469 13552 14336 15488 16384 19712 22528 26938 27104 28672 30976 32768 39424 45056 53876 54208 57344 61952 65536 78848 90112 94283 107752 108416 114688 123904 131072 148159 157696 180224 188566 215504 216832 229376 247808 262144 296318 315392 360448 377132 431008 433664 458752 495616 524288 592636 630784 720896 754264 862016 867328 917504 991232 1037113 1048576 1185272 1261568 1441792 1508528 1629749 1724032 1734656 1835008 1982464 2074226 2370544 2523136 2883584 3017056 3259498 3448064 3469312 3670016 3964928 4148452 4741088 5046272 5767168 6034112 6518996 6896128 6938624 7340032 7929856 8296904 9482176 10092544 11408243 11534336 12068224 13037992 13792256 13877248 15859712 16593808 18964352 20185088 22816486 24136448 26075984 27584512 27754496 31719424 33187616 37928704 40370176 45632972 48272896 52151968 55169024 55508992 63438848 66375232 75857408 80740352 91265944 96545792 104303936 110338048 111017984 126877696 132750464 151714816 181413961 182531888 193091584 208607872 220676096 222035968 265500928 303429632 362827922 365063776 386183168 417215744 441352192 444071936 531001856 606859264 725655844 730127552 772366336 834431488 882704384 888143872 1062003712 1213718528 1269897727 1451311688 1460255104 1544732672 1668862976 1765408768 1995553571 2124007424 2427437056 2539795454 2902623376 2920510208 3089465344 3337725952 3530817536 3991107142 4248014848 4854874112 5079590908 5805246752 5841020416 6178930688 6675451904 7061635072 7982214284 8496029696 9709748224 10159181816 11610493504 11682040832 12357861376 13350903808 13968874997 14123270144 15964428568 16992059392 19419496448 20318363632 21951089281 23220987008 23364081664 24715722752 26701807616 27937749994 31928857136 33984118784 38838992896 40636727264 43902178562 46441974016 46728163328 49431445504 53403615232 55875499988 63857714272 67968237568 77677985792 81273454528 87804357124 92883948032 93456326656 98862891008 106807230464 111750999976 127715428544 135936475136 153657624967 155355971584 162546909056 175608714248 185767896064 186912653312 213614460928 223501999952 255430857088 271872950272 307315249934 325093818112 351217428496 371535792128 373825306624 427228921856 447003999904 510861714176 543745900544 614630499868 650187636224 702434856992 743071584256 747650613248 854457843712 894007999808 1021723428352 1087491801088 1229260999736 1300375272448 1404869713984 1486143168512 1495301226496 1708915687424 1788015999616 2043446856704 2458521999472 2600750544896 2809739427968 2972286337024 2990602452992 3576031999232 4086893713408 4917043998944 5201501089792 5619478855936 5944572674048 5981204905984 7152063998464 8173787426816 9834087997888 10403002179584 11238957711872 11889145348096 11962409811968 14304127996928 16347574853632 19668175995776 20806004359168 22477915423744 23778290696192 28608255993856 32695149707264 39336351991552 41612008718336 44955830847488 47556581392384 57216511987712 65390299414528 78672703983104 83224017436672 89911661694976 95113162784768 114433023975424 130780598829056 157345407966208 166448034873344 179823323389952 190226325569536 228866047950848 261561197658112 314690815932416 332896069746688 359646646779904 457732095901696 523122395316224 629381631864832 665792139493376 719293293559808 915464191803392 1046244790632448 1258763263729664 1331584278986752 1438586587119616 1830928383606784 2092489581264896 2517526527459328 2877173174239232 3661856767213568 5035053054918656 5754346348478464 7323713534427136 10070106109837312 11508692696956928 14647427068854272 20140212219674624 23017385393913856 40280424439349248 80560848878698496 161121697757396992
• Sum of all divisors σ(n): 404831484323422184
• Sum of proper divisors (its aliquot sum) s(n): 243709786566025192
• 161121697757396992 is an abundant number, because the sum of its proper divisors (243709786566025192) is greater than itself. Its abundance is 82588088808628200

Bases of 161121697757396992

• Binary: 1000111100011010110101010010011000011100000000000000000000₂
• Hexadecimal: 0x23C6B5498700000
• Base-36: 182GVI45SOHS

Squares and roots of 161121697757396992

• 161121697757396992 squared (161121697757396992²) is 25960201488225986881121051490648064
• 161121697757396992 cubed (161121697757396992³) is 4182751737907075044682246958590141688338567804223488
• The square root of 161121697757396992 is 401399673.3399231255
• The cube root of 161121697757396992 is 544149.2185423869

Scales and comparisons

• 161,121,697,757,396,992 seconds is equal to 5,123,171,606 years, 28 weeks, 4 days, 16 hours, 29 minutes, 52 seconds.
• To count from 1 to 161,121,697,757,396,992 would take you about fifteen billion, three hundred sixty-nine million, five hundred fourteen thousand, eight hundred nineteen 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 161121697757396992 cubic inches would be around 45345.8 feet tall.

Recreational maths with 161121697757396992

• 161121697757396992 backwards is 299693757796121161
• The number of decimal digits it has is: 18
• The sum of 161121697757396992's digits is 91
• More coming soon!