642133872495

Names of 642133872495

• Cardinal: 642133872495 can be written as Six hundred forty-two billion, one hundred thirty-three million, eight hundred seventy-two thousand, four hundred ninety-five.

Scientific notation

• Scientific notation: 6.42133872495 × 10¹¹

Factors of 642133872495

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2167

Divisors of 642133872495

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 15 17 19 45 51 57 61 85 95 153 171 183 255 285 305 323 449 549 765 855 915 969 1037 1159 1347 1613 1615 2245 2745 2907 3111 3477 4041 4839 4845 5185 5795 6735 7633 8065 8531 9333 10431 14517 14535 15555 17385 19703 20205 22899 24195 25593 27389 27421 30647 38165 42655 46665 52155 59109 68697 72585 76779 82167 82263 91941 98393 98515 114495 127965 136945 137105 145027 153235 177327 246501 246789 275823 295179 295545 343485 383895 410835 411315 435081 459705 465613 491965 520391 520999 724237 725135 885537 886635 1232505 1233945 1305243 1379115 1396839 1475895 1561173 1562997 1672681 1869467 2172711 2175405 2328065 2601955 2604995 3621185 4190517 4427685 4683519 4688991 5018043 5608401 6518133 6526215 6984195 7805865 7814985 8363405 8846647 9347335 10863555 12312029 13760503 15054129 16825203 20952585 23417595 23444955 25090215 26539941 28042005 31780939 32590665 36936087 41281509 44178457 44233235 61560145 68802515 75270645 79619823 84126015 95342817 110808261 123844527 132535371 132699705 158904695 184680435 206407545 220892285 233928551 286028451 397606113 398099115 476714085 554041305 619222635 662676855 701785653 751033769 839390683 1169642755 1430142255 1988030565 2105356959 2253101307 2518172049 3508928265 3755168845 4196953415 6759303921 7554516147 10526784795 11265506535 12590860245 14269641611 33796519605 37772580735 42808924833 71348208055 128426774499 214044624165 642133872495
• Sum of all divisors σ(n): 1264459248000
• Sum of proper divisors (its aliquot sum) s(n): 622325375505
• 642133872495 is a deficient number, because the sum of its proper divisors (622325375505) is less than itself. Its deficiency is 19808496990

Bases of 642133872495

• Binary: 1001010110000010001010010100111101101111₂
• Hexadecimal: 0x9582294F6F
• Base-36: 86ZPXF1R

Squares and roots of 642133872495

• 642133872495 squared (642133872495²) is 412335910205424917525025
• 642133872495 cubed (642133872495³) is 264774854788960093247310294321687375
• The square root of 642133872495 is 801332.5604859695
• The cube root of 642133872495 is 8627.3058205041

Scales and comparisons

• 642,133,872,495 seconds is equal to 20,417 years, 45 weeks, 2 days, 8 minutes, 15 seconds.
• To count from 1 to 642,133,872,495 would take you about forty thousand, eight hundred thirty-five 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 642133872495 cubic inches would be around 718.9 feet tall.

Recreational maths with 642133872495

• 642133872495 backwards is 594278331246
• The number of decimal digits it has is: 12
• The sum of 642133872495's digits is 54
• More coming soon!