421491397396899634

Names of 421491397396899634

• Cardinal: 421491397396899634 can be written as Four hundred twenty-one quadrillion, four hundred ninety-one trillion, three hundred ninety-seven billion, three hundred ninety-six million, eight hundred ninety-nine thousand, six hundred thirty-four.

Scientific notation

• Scientific notation: 4.21491397396899634 × 10¹⁷

Factors of 421491397396899634

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 202208

Divisors of 421491397396899634

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 14 193 386 467 934 1069 1351 1571 2138 2702 3142 3269 6538 7483 10997 14966 21994 90131 180262 198899 206317 303203 397798 412634 499223 606406 630917 733657 998446 1261834 1392293 1444219 1467314 1679399 2122421 2784586 2888438 3358798 3494561 4244842 5135599 6989122 10271198 11755793 23511586 38387507 76775014 92885833 96350039 141595801 185771666 192700078 212623031 268712549 283191602 312470329 324124007 425246062 537425098 624940658 648248014 650200831 674450273 784279333 991170607 1300401662 1348900546 1488361217 1568558666 1982341214 2187292303 2268868049 2976722434 4374584606 4537736098 5489955331 10979910662 17926965769 35853931538 41036244983 60306773497 82072489966 99294955477 120613546994 125488760383 145923643643 151365911269 198589910954 250977520766 287253714881 291847287286 302731822538 334030781701 422147414479 574507429762 668061563402 695064688339 844294828958 1021465505501 1059561378883 1390129376678 2042931011002 2119122757766 2338215471907 4676430943814 19163926407061 28163263223099 38327852814122 56326526446198 64467940868293 128935881736586 134147484849427 155992375054367 197142842561693 268294969698854 311984750108734 394285685123386 451275586078051 902551172156102 1091946625380569 2183893250761138 30106528385492831 60213056770985662 210745698698449817 421491397396899634
• Sum of all divisors σ(n): 729004026786048000
• Sum of proper divisors (its aliquot sum) s(n): 307512629389148366
• 421491397396899634 is a deficient number, because the sum of its proper divisors (307512629389148366) is less than itself. Its deficiency is 113978768007751268

Bases of 421491397396899634

• Binary: 10111011001011100000011000101011001101110011010011100110010₂
• Hexadecimal: 0x5D9703159B9A732
• Base-36: 37A68AV4Q78Y

Squares and roots of 421491397396899634

• 421491397396899634 squared (421491397396899634²) is 177654998079591171564426715469333956
• 421491397396899634 cubed (421491397396899634³) is 74880053395110403807617330670843250563577317360172104
• The square root of 421491397396899634 is 649223688.2592159651
• The cube root of 421491397396899634 is 749772.6110048639

Scales and comparisons

• 421,491,397,396,899,634 seconds is equal to 13,402,122,678 years, 37 weeks, 5 days, 17 hours, 34 seconds.
• To count from 1 to 421,491,397,396,899,634 would take you about forty billion, two hundred six million, three hundred sixty-eight thousand and thirty-six 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 421491397396899634 cubic inches would be around 62481.1 feet tall.

Recreational maths with 421491397396899634

• 421491397396899634 backwards is 436998693793194124
• The number of decimal digits it has is: 18
• The sum of 421491397396899634's digits is 97
• More coming soon!