1642129199427645

Names of 1642129199427645

• Cardinal: 1642129199427645 can be written as One quadrillion, six hundred forty-two trillion, one hundred twenty-nine billion, one hundred ninety-nine million, four hundred twenty-seven thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 1.642129199427645 × 10¹⁵

Factors of 1642129199427645

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1287

Divisors of 1642129199427645

• Number of divisors d(n): 162
• Complete list of divisors:
  1 3 5 9 15 19 45 57 95 171 285 349 361 855 911 1047 1083 1745 1805 2733 3141 3249 4555 5235 5415 6631 8199 13665 15705 16245 17309 19893 33155 40995 51927 59679 86545 99465 121801 125989 155781 259635 298395 317939 328871 365403 377967 609005 629945 778905 829921 953817 986613 1096209 1133901 1589695 1644355 1827015 1889835 2314219 2489763 2861451 2959839 4149605 4769085 4933065 5481045 5669505 6040841 6942657 7469289 11571095 12448815 14307255 14799195 15768499 18122523 20827971 30204205 34713285 37346445 43970161 47305497 54367569 78842495 90612615 104139855 110960711 114775979 131910483 141916491 219850805 236527485 271837845 289642429 299601481 332882133 344327937 395731449 554803555 573879895 659552415 709582455 868927287 898804443 998646399 1032983811 1448212145 1498007405 1664410665 1721639685 1978657245 2108253509 2606781861 2696413329 4344636435 4494022215 4993231995 5164919055 5503206151 6324760527 10541267545 13033909305 13482066645 16509618453 18974281581 27516030755 31623802635 40056816671 49528855359 82548092265 94871407905 101085207721 104560916869 120170450013 200284083355 247644276795 303255623163 313682750607 360511350039 505426038605 522804584345 600852250065 909766869489 941048251821 1516278115815 1568413753035 1802556750195 1920618946699 4548834347445 4705241259105 5761856840097 9603094733495 17285570520291 28809284200485 36491759987281 86427852601455 109475279961843 182458799936405 328425839885529 547376399809215 1642129199427645
• Sum of all divisors σ(n): 3015993096427194
• Sum of proper divisors (its aliquot sum) s(n): 1373863896999549
• 1642129199427645 is a deficient number, because the sum of its proper divisors (1373863896999549) is less than itself. Its deficiency is 268265302428096

Bases of 1642129199427645

• Binary: 101110101011000000111111111100110110111000000111101₂
• Hexadecimal: 0x5D581FF9B703D
• Base-36: G633QMTID9

Squares and roots of 1642129199427645

• 1642129199427645 squared (1642129199427645²) is 2696588307612878283795590246025
• 1642129199427645 cubed (1642129199427645³) is 4428146398766283925062856624111011374736361125
• The square root of 1642129199427645 is 40523193.3518034213
• The cube root of 1642129199427645 is 117978.3834631455

Scales and comparisons

• 1,642,129,199,427,645 seconds is equal to 52,214,629 years, 5 weeks, 2 days, 9 hours, 45 seconds.
• To count from 1 to 1,642,129,199,427,645 would take you about one hundred fifty-six million, six hundred forty-three thousand, eight hundred eighty-seven 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 1642129199427645 cubic inches would be around 9831.5 feet tall.

Recreational maths with 1642129199427645

• 1642129199427645 backwards is 5467249919212461
• The number of decimal digits it has is: 16
• The sum of 1642129199427645's digits is 72
• More coming soon!