1987157421522

Names of 1987157421522

• Cardinal: 1987157421522 can be written as One trillion, nine hundred eighty-seven billion, one hundred fifty-seven million, four hundred twenty-one thousand, five hundred twenty-two.

Scientific notation

• Scientific notation: 1.987157421522 × 10¹²

Factors of 1987157421522

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19609

Divisors of 1987157421522

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 169 182 234 273 338 507 546 819 1014 1183 1521 1638 2366 3042 3549 7098 8191 10647 11393 16382 21294 22786 24573 34179 49146 57337 68358 73719 79751 102537 106483 114674 147438 148109 159502 172011 205074 212966 239253 296218 319449 344022 444327 478506 516033 638898 717759 745381 888654 958347 1032066 1036763 1332981 1384279 1435518 1490762 1916694 1925417 2073526 2236143 2665962 2768558 3110289 3850834 4152837 4472286 5776251 6220578 6708429 8305674 9330867 9689953 11552502 12458511 13416858 13477919 17328753 18661734 19379906 24917022 26955838 29069859 34657506 40433757 58139718 80867514 87209577 93320063 121301271 174419154 186640126 242602542 279960189 559920378 653240441 839880567 1213160819 1306480882 1679761134 1959721323 2426321638 3639482457 3919442646 5879163969 7278964914 8492125733 10918447371 11758327938 15771090647 16984251466 21836894742 25476377199 31542181294 47313271941 50952754398 76429131597 94626543882 110397634529 141939815823 152858263194 220795269058 283879631646 331192903587 662385807174 993578710761 1987157421522
• Sum of all divisors σ(n): 5329320542208
• Sum of proper divisors (its aliquot sum) s(n): 3342163120686
• 1987157421522 is an abundant number, because the sum of its proper divisors (3342163120686) is greater than itself. Its abundance is 1355005699164

Bases of 1987157421522

• Binary: 11100111010101011110011111110110111010010₂
• Hexadecimal: 0x1CEABCFEDD2
• Base-36: PCVY7ZKI

Squares and roots of 1987157421522

• 1987157421522 squared (1987157421522²) is 3948794617909963588796484
• 1987157421522 cubed (1987157421522³) is 7846876531045914445865726632659528648
• The square root of 1987157421522 is 1409665.7126858127
• The cube root of 1987157421522 is 12572.1848446919

Scales and comparisons

• 1,987,157,421,522 seconds is equal to 63,185 years, 23 weeks, 6 days, 4 hours, 38 minutes, 42 seconds.
• To count from 1 to 1,987,157,421,522 would take you about one hundred fifty-seven thousand, nine hundred sixty-three 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 1987157421522 cubic inches would be around 1047.7 feet tall.

Recreational maths with 1987157421522

• 1987157421522 backwards is 2251247517891
• The number of decimal digits it has is: 13
• The sum of 1987157421522's digits is 54
• More coming soon!