168309827491971

Names of 168309827491971

• Cardinal: 168309827491971 can be written as One hundred sixty-eight trillion, three hundred nine billion, eight hundred twenty-seven million, four hundred ninety-one thousand, nine hundred seventy-one.

Scientific notation

• Scientific notation: 1.68309827491971 × 10¹⁴

Factors of 168309827491971

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1261

Divisors of 168309827491971

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 11 17 33 43 51 121 129 187 289 363 473 561 731 867 1187 1419 1849 2057 2193 3179 3561 4913 5203 5547 6171 8041 9537 12427 13057 14739 15609 20179 20339 24123 31433 34969 37281 39171 51041 54043 60537 61017 79507 88451 94299 104907 136697 143627 153123 162129 211259 221969 223729 238521 265353 343043 345763 410091 430881 534361 561451 594473 633777 665907 671187 867697 874577 1029129 1037289 1351619 1503667 1603083 1684353 1783419 2194763 2323849 2441659 2603091 2623731 3773473 3803393 4054857 4511001 5831731 5877971 6175961 6584289 6971547 7324977 9084137 9544667 9620347 11320419 11410179 14750849 14867809 17495193 17633913 18527883 22977523 24142393 25562339 27252411 28634001 28861041 37310971 41508203 44252547 44603427 64149041 64657681 68932569 72427179 76687017 94374809 99925507 104991337 111932913 124524609 162259339 163545899 192447123 193973043 250764433 252752753 265566323 283124427 299776521 314974011 390617891 410420681 486778017 490637697 634286507 705639451 752293299 758258259 796698969 1038122899 1099180577 1171853673 1231262043 1604371753 1784852729 1902859521 2116918353 2758408763 2780280283 3114368697 3297541731 4296796801 4514627491 4813115259 5354558187 6977151577 8275226289 8340840849 10782870619 11419351889 12890390403 13543882473 17648089283 20931454731 27274319801 30342496393 32348611857 34258055667 47264764811 52944267849 76748667347 81822959403 91027489179 118611576809 141794294433 194128982113 230246002041 300017517811 355834730427 463663436617 582386946339 900052553433 1304727344899 1390990309851 3300192695921 3914182034697 5100297802787 9900578087763 15300893408361 56103275830657 168309827491971
• Sum of all divisors σ(n): 268548654528000
• Sum of proper divisors (its aliquot sum) s(n): 100238827036029
• 168309827491971 is a deficient number, because the sum of its proper divisors (100238827036029) is less than itself. Its deficiency is 68071000455942

Bases of 168309827491971

• Binary: 100110010001001110101111011110101101100010000011₂
• Hexadecimal: 0x9913AF7AD883
• Base-36: 1NNSGTNOG3

Squares and roots of 168309827491971

• 168309827491971 squared (168309827491971²) is 28328198030377037040069464841
• 168309827491971 cubed (168309827491971³) is 4767914123651151762189304985011307194291611
• The square root of 168309827491971 is 12973427.7464350569
• The cube root of 168309827491971 is 55212.3829571609

Scales and comparisons

• 168,309,827,491,971 seconds is equal to 5,351,731 years, 46 weeks, 4 days, 18 hours, 52 minutes, 51 seconds.
• To count from 1 to 168,309,827,491,971 would take you about thirteen million, three hundred seventy-nine thousand, three hundred twenty-nine 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 168309827491971 cubic inches would be around 4601 feet tall.

Recreational maths with 168309827491971

• 168309827491971 backwards is 179194728903861
• The number of decimal digits it has is: 15
• The sum of 168309827491971's digits is 75
• More coming soon!