31668665019972561

Names of 31668665019972561

• Cardinal: 31668665019972561 can be written as Thirty-one quadrillion, six hundred sixty-eight trillion, six hundred sixty-five billion, nineteen million, nine hundred seventy-two thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 3.1668665019972561 × 10¹⁶

Factors of 31668665019972561

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 864

Divisors of 31668665019972561

• Number of divisors d(n): 351
• Complete list of divisors:
  1 3 7 9 21 27 43 49 63 81 129 147 189 243 301 387 441 567 729 811 903 1161 1323 1701 1849 2107 2187 2433 2709 3483 3969 5103 5547 5677 6321 6561 7299 8127 10449 11907 12943 15309 16641 17031 18963 19683 21897 24381 31347 34873 35721 38829 39739 45927 49923 51093 56889 59049 65691 73143 90601 94041 104619 107163 116487 119217 137781 149769 153279 170667 177147 197073 219429 244111 271803 282123 313857 321489 349461 357651 413343 449307 459837 512001 531441 591219 657721 658287 732333 815409 846369 941571 964467 1048383 1072953 1240029 1347921 1379511 1499539 1536003 1708777 1773657 1973163 1974861 2196999 2446227 2539107 2824713 2893401 3145149 3218859 3720087 4043763 4138533 4498617 4604047 4608009 5126331 5320971 5919489 5924583 6590997 7338681 7617321 8474139 8680203 9435447 9656577 10496773 12131289 12415599 13495851 13812141 13824027 15378993 15962913 17758467 17773749 19772991 22016043 22851963 25422417 26040609 28282003 28306341 28969731 31490319 32228329 36393867 37246797 40487553 41436423 41472081 46136979 47888739 53275401 53321247 59318973 66048129 73477411 76267251 84846009 84919023 86909193 94470957 96684987 109181601 111740391 121462659 124309269 124416243 138410937 143666217 159826203 159963741 177956919 197974021 198144387 220432233 228801753 254538027 254757069 260727579 283412871 290054961 327544803 335221173 364387977 372927807 373248729 415232811 430998651 479478609 533870757 593922063 594433161 661296699 686405259 763614081 764271207 782182737 850238613 870164883 982634409 1005663519 1093163931 1118783421 1119746187 1216126129 1245698433 1385818147 1438435827 1601612271 1781766189 1783299483 1983890097 2059215777 2290842243 2292813621 2346548211 2550715839 2610494649 3016990557 3279491793 3356350263 3648378387 3737095299 4157454441 4315307481 4804836813 5345298567 5349898449 5951670291 6177647331 6872526729 6878440863 7039644633 7652147517 7831483947 8512882903 9838475379 10069050789 10945135161 11211285897 12472363323 12945922443 14414510439 16035895701 16049695347 17855010873 18532941993 20617580187 21118933899 22956442551 23494451841 25538648709 29515426137 30207152367 32835405483 33633857691 37417089969 38837767329 43243531317 48107687103 48149086041 53565032619 59590180321 61852740561 68869327653 70483355523 76615946127 88546278411 90621457101 98506216449 100901573073 112251269907 116513301987 129730593951 144323061309 160695097857 178770540963 185558221683 206607982959 211450066569 229847838381 265638835233 271864371303 295518649347 302704719219 336753809721 349539905961 432969183927 482085293571 536311622889 556674665049 619823948877 634350199707 689543515143 796916505699 815593113909 886555948041 908114157657 1010261429163 1298907551781 1446255880713 1608934868667 1670023995147 1859471846631 1903050599121 2068630545429 2446779341727 2659667844123 3030784287489 3896722655343 4338767642139 4826804606001 5010071985441 5578415539893 5709151797363 6205891636287 7979003532369 9092352862467 11690167966029 13016302926417 14480413818003 15030215956323 17127455392089 18617674908861 23937010597107 27277058587401 35070503898087 39048908779251 43441241454009 55853024726583 71811031791321 81831175762203 105211511694261 130323724362027 167559074179749 215433095373963 245493527286609 390971173086081 502677222539247 646299286121889 736480581859827 1172913519258243 1508031667617741 3518740557774729 4524095002853223 10556221673324187 31668665019972561
• Sum of all divisors σ(n): 56643366354147513
• Sum of proper divisors (its aliquot sum) s(n): 24974701334174952
• 31668665019972561 is a deficient number, because the sum of its proper divisors (24974701334174952) is less than itself. Its deficiency is 6693963685797609

Bases of 31668665019972561

• Binary: 1110000100000100111101110101001000001101011101111010001₂
• Hexadecimal: 0x70827BA906BBD1
• Base-36: 8NTLRV86W29

Squares and roots of 31668665019972561

• 31668665019972561 squared (31668665019972561²) is 1002904344147233687401033192898721
• 31668665019972561 cubed (31668665019972561³) is 31760641721874022513663658642662041185659471994481
• 31668665019972561 is a perfect square number. Its square root is 177956919
• The cube root of 31668665019972561 is 316380.6534823185

Scales and comparisons

• 31,668,665,019,972,561 seconds is equal to 1,006,965,590 years, 1 week, 1 day, 4 hours, 49 minutes, 21 seconds.
• To count from 1 to 31,668,665,019,972,561 would take you about three billion, twenty million, eight hundred ninety-six thousand, seven hundred seventy 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 31668665019972561 cubic inches would be around 26365.1 feet tall.

Recreational maths with 31668665019972561

• 31668665019972561 backwards is 16527991056686613
• 31668665019972561 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 31668665019972561's digits is 81
• More coming soon!