161989693312855364

Names of 161989693312855364

• Cardinal: 161989693312855364 can be written as One hundred sixty-one quadrillion, nine hundred eighty-nine trillion, six hundred ninety-three billion, three hundred twelve million, eight hundred fifty-five thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 1.61989693312855364 × 10¹⁷

Factors of 161989693312855364

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 354

Divisors of 161989693312855364

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 11 17 22 31 34 44 62 68 124 187 289 293 341 374 527 578 586 682 748 961 1054 1156 1172 1364 1922 2108 3179 3223 3844 4913 4981 5797 6358 6446 8959 9083 9826 9962 10571 11594 12716 12892 16337 17918 18166 19652 19924 21142 23188 29791 32674 35836 36332 42284 54043 54791 59582 65348 84677 85849 98549 99913 108086 109582 119164 152303 154411 169354 171698 179707 197098 199826 216172 219164 277729 281573 304606 308822 327701 338708 343396 359414 394196 399652 506447 555458 563146 609212 617644 655402 718828 931447 944339 1012894 1110916 1126292 1310804 1439509 1459433 1675333 1698521 1862894 1888678 2025788 2624987 2661319 2879018 2918866 3055019 3097303 3350666 3397042 3725788 3777356 4721393 4786741 5249974 5322638 5570917 5758036 5837732 6110038 6194606 6701332 6794084 8609599 8728763 9442786 9573482 10499948 10645276 11141834 12220076 12389212 15834599 16053763 17219198 17457526 18885572 19146964 22283668 24810361 25153757 28874857 29274509 31669198 32107526 34438396 34915052 44624779 45242423 49620722 50307514 51935323 52654151 57749714 58549018 63338396 64215052 81374597 82500889 89249558 90484846 94705589 96016393 99241444 100615028 103870646 105308302 115499428 117098036 146363183 148388971 162749194 165001778 178499116 180969692 189411178 192032786 207741292 210616604 272913971 276691327 292726366 296777942 325498388 330003556 378822356 384065572 421776137 427613869 490872569 497666653 545827942 553382654 585452732 593555884 769121191 779766467 843552274 855227738 895120567 907509779 981745138 995333306 1091655884 1106765308 1383368149 1402515113 1538242382 1559532934 1609995013 1632278681 1687104548 1710455476 1790241134 1815019558 1963490276 1990666612 2522612507 2557527559 2766736298 2805030226 3076484764 3119065868 3219990026 3264557362 3580482268 3630039116 4639537507 4703752559 5045225014 5115055118 5533472596 5610060452 6439980052 6529114724 7269435773 8460333101 8577431137 9279075014 9407505118 10090450028 10230110236 13075060247 13256029939 14538871546 15217049639 15427666243 16920666202 17154862274 18558150028 18815010236 23842756921 24172760477 26150120494 26512059878 27748737577 28132803149 29077743092 30434099278 30855332486 33841332404 34309724548 42884412619 43477968503 47685513842 48345520954 52300240988 53024119756 55497475154 56265606298 60868198556 61710664972 79963793503 85768825238 86955937006 95371027684 96691041908 110994950308 112531212596 123580408141 143825662717 145816329329 159927587006 171537650476 173911874012 225352508963 247160816282 262270326131 265900365247 287651325434 291632658658 319855174012 405326867657 410936928109 450705017926 471728538809 478257653533 494321632564 524540652262 531800730494 575302650868 583265317316 739125464551 749355574787 810653735314 821873856218 901410035852 943457077618 956515307066 1049081304524 1063601460988 1359384489551 1478250929102 1498711149574 1621307470628 1643747712436 1886914155236 1913030614132 2478877598593 2718768979102 2956501858204 2997422299148 3830992652371 4458595544227 4520306209199 4957755197186 5437537958204 6985927777853 7661985304742 8130380110061 8242911322657 8917191088454 9040612418398 9915510394372 12565132897367 12739044771379 13971855555706 15323970609484 16260760220122 16485822645314 17834382176908 18081224836796 25130265794734 25478089542758 27943711111412 32521520440244 32971645290628 42140919176081 50260531589468 50956179085516 76845205556383 84281838352162 118760772223501 138216461871037 140129492485169 153690411112766 168563676704324 216563761113443 237521544447002 276432923742074 280258984970338 307380822225532 433127522226886 475043088894004 552865847484148 560517969940676 866255044453772 1306368494458511 2382201372247873 2612736988917022 3681583938928531 4764402744495746 5225473977834044 7363167877857062 9528805488991492 14726335755714124 40497423328213841 80994846656427682 161989693312855364
• Sum of all divisors σ(n): 340692418579968000
• Sum of proper divisors (its aliquot sum) s(n): 178702725267112636
• 161989693312855364 is an abundant number, because the sum of its proper divisors (178702725267112636) is greater than itself. Its abundance is 16713031954257272

Bases of 161989693312855364

• Binary: 1000111111100000001100010010001111001011111110110101000100₂
• Hexadecimal: 0x23F80C48F2FED44
• Base-36: 18B0JXROJ9Z8

Squares and roots of 161989693312855364

• 161989693312855364 squared (161989693312855364²) is 26240660739592937833404982783572496
• 161989693312855364 cubed (161989693312855364³) is 4250716585533344411887216083480481318452034456468544
• The square root of 161989693312855364 is 402479432.1612663029
• The cube root of 161989693312855364 is 545124.6168060327

Scales and comparisons

• 161,989,693,312,855,364 seconds is equal to 5,150,771,180 years, 17 weeks, 12 hours, 42 minutes, 44 seconds.
• To count from 1 to 161,989,693,312,855,364 would take you about fifteen billion, four hundred fifty-two million, three hundred thirteen thousand, five hundred forty 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 161989693312855364 cubic inches would be around 45427.1 feet tall.

Recreational maths with 161989693312855364

• 161989693312855364 backwards is 463558213396989161
• The number of decimal digits it has is: 18
• The sum of 161989693312855364's digits is 89
• More coming soon!