1681152120081

Names of 1681152120081

• Cardinal: 1681152120081 can be written as One trillion, six hundred eighty-one billion, one hundred fifty-two million, one hundred twenty thousand and eighty-one.

Scientific notation

• Scientific notation: 1.681152120081 × 10¹²

Factors of 1681152120081

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3344

Divisors of 1681152120081

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 31 61 63 73 93 183 217 219 279 427 511 549 651 657 1281 1533 1891 1953 2263 3169 3721 3843 4453 4599 5673 6789 9507 11163 13237 13359 15841 17019 20367 22183 26047 28521 31171 33489 39711 40077 47523 66549 78141 93513 98239 115351 119133 138043 142569 193309 199647 231337 234423 271633 280539 294717 346053 414129 579927 687673 694011 807457 814899 884151 966301 1038159 1242387 1353163 1619359 1739781 1901431 2063019 2082033 2422371 2444697 2898903 4059489 4858077 5704293 5992579 6189057 7171447 7267113 8420623 8696709 11791849 12178467 14111557 14574231 17112879 17977737 21514341 25261869 35375547 41948053 42334671 50200129 53933211 58944361 64543023 75785607 82542943 98780899 106126641 125844159 127004013 150600387 176833083 247628829 296342697 365547319 377532477 437458267 451801161 530499249 742886487 860804977 889028091 1096641957 1312374801 2558831233 2582414931 3062207869 3289925871 3937124403 6025634839 7676493699 7747244793 9186623607 18076904517 23029481097 26684954287 27559870821 54230713551 80054862861 186794680009 240164588583 560384040027 1681152120081
• Sum of all divisors σ(n): 2953320913920
• Sum of proper divisors (its aliquot sum) s(n): 1272168793839
• 1681152120081 is a deficient number, because the sum of its proper divisors (1272168793839) is less than itself. Its deficiency is 408983326242

Bases of 1681152120081

• Binary: 11000011101101100011110011001010100010001₂
• Hexadecimal: 0x1876C799511
• Base-36: LGB6KDU9

Squares and roots of 1681152120081

• 1681152120081 squared (1681152120081²) is 2826272450852841043446561
• 1681152120081 cubed (1681152120081³) is 4751393922677777596732278256378491441
• The square root of 1681152120081 is 1296592.5034801797
• The cube root of 1681152120081 is 11890.5607892533

Scales and comparisons

• 1,681,152,120,081 seconds is equal to 53,455 years, 22 weeks, 5 days, 4 hours, 1 minute, 21 seconds.
• To count from 1 to 1,681,152,120,081 would take you about one hundred thirty-three thousand, six hundred thirty-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 1681152120081 cubic inches would be around 990.9 feet tall.

Recreational maths with 1681152120081

• 1681152120081 backwards is 1800212511861
• The number of decimal digits it has is: 13
• The sum of 1681152120081's digits is 36
• More coming soon!