642395478926572

Names of 642395478926572

• Cardinal: 642395478926572 can be written as Six hundred forty-two trillion, three hundred ninety-five billion, four hundred seventy-eight million, nine hundred twenty-six thousand, five hundred seventy-two.

Scientific notation

• Scientific notation: 6.42395478926572 × 10¹⁴

Factors of 642395478926572

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 471

Divisors of 642395478926572

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 14 28 49 98 181 196 281 343 362 562 686 724 1124 1267 1372 1967 2534 3934 5068 7868 8869 13769 17738 27538 32761 35476 50861 55076 62083 65522 78961 96383 101722 124166 131044 157922 192766 203444 229327 248332 315844 356027 385532 458654 552727 712054 917308 1105454 1424108 1605289 2210908 2492189 3210578 3869089 4984378 5929741 6421156 7738178 9205841 9968756 11237023 11859482 14291941 15476356 17445323 18411682 22474046 23718964 27083623 28583882 34890646 36823364 41508187 44948092 54167246 57167764 64440887 69781292 83016374 100043587 108334492 128881774 166032748 200087174 257763548 290557309 400174348 451086209 581114618 700305109 902172418 1162229236 1400610218 1666257221 1804344836 2033901163 2586841321 2801220436 3157603463 3332514442 4067802326 4902135763 5173682642 6315206926 6665028884 8135604652 9804271526 10347365284 11663800547 12630413852 18107889247 19608543052 23327601094 36215778494 46655202188 72431556988 81646603829 126755224729 163293207658 253510449458 326586415316 468218279101 507020898916 571526226803 887286573103 936436558202 1143052453606 1774573146206 1872873116404 2286104907212 3277527953707 3549146292412 6555055907414 13110111814828 22942695675949 45885391351898 91770782703796 160598869731643 321197739463286 642395478926572
• Sum of all divisors σ(n): 1323002710993600
• Sum of proper divisors (its aliquot sum) s(n): 680607232067028
• 642395478926572 is an abundant number, because the sum of its proper divisors (680607232067028) is greater than itself. Its abundance is 38211753140456

Bases of 642395478926572

• Binary: 10010010000100000101011010010100111010010011101100₂
• Hexadecimal: 0x248415A53A4EC
• Base-36: 6BPKEPZR3G

Squares and roots of 642395478926572

• 642395478926572 squared (642395478926572²) is 412671951345299810541367671184
• 642395478926572 cubed (642395478926572³) is 265098595824026890147948459956928631776301248
• The square root of 642395478926572 is 25345521.8712610455
• The cube root of 642395478926572 is 86284.7725445771

Scales and comparisons

• 642,395,478,926,572 seconds is equal to 20,426,189 years, 8 weeks, 5 days, 22 hours, 42 minutes, 52 seconds.
• To count from 1 to 642,395,478,926,572 would take you about fifty-one million, sixty-five thousand, four hundred seventy-two 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 642395478926572 cubic inches would be around 7190.4 feet tall.

Recreational maths with 642395478926572

• 642395478926572 backwards is 275629874593246
• The number of decimal digits it has is: 15
• The sum of 642395478926572's digits is 79
• More coming soon!