642005512818813

Names of 642005512818813

• Cardinal: 642005512818813 can be written as Six hundred forty-two trillion, five billion, five hundred twelve million, eight hundred eighteen thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 6.42005512818813 × 10¹⁴

Factors of 642005512818813

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16408

Divisors of 642005512818813

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 11 13 33 39 99 117 121 143 169 363 429 507 1089 1287 1521 1573 1859 2197 4719 5577 6591 14157 16381 16731 19773 20449 24167 49143 61347 72501 147429 180191 184041 212953 217503 265837 540573 638859 797511 1621719 1916577 1982101 2342483 2392533 2768389 5946303 7027449 8305167 17838909 21082347 24915501 25767313 30452279 35989057 77301939 91356837 107967171 231905817 268337161 274070511 323901513 334975069 395879627 805011483 1004925207 1187638881 2415034449 2951708771 3014775621 3488383093 3562916643 4354675897 8855126313 10465149279 13064027691 26565378939 31395447837 32468796481 38372214023 39192083073 45348980209 97406389443 115116642069 136046940627 292219168329 345349926207 408140821881 422094354253 498838782299 589536742717 1266283062759 1496516346897 1768610228151 3798849188277 4489549040691 5305830684453 5487226605289 6484904169887 16461679815867 19454712509661 49385039447601 58364137528983 71333945868757 214001837606271 642005512818813
• Sum of all divisors σ(n): 1104280196515860
• Sum of proper divisors (its aliquot sum) s(n): 462274683697047
• 642005512818813 is a deficient number, because the sum of its proper divisors (462274683697047) is less than itself. Its deficiency is 179730829121766

Bases of 642005512818813

• Binary: 10010001111110011010001110100010010001000001111101₂
• Hexadecimal: 0x247E68E89107D
• Base-36: 6BKL9E8OL9

Squares and roots of 642005512818813

• 642005512818813 squared (642005512818813²) is 412171078489747063264966728969
• 642005512818813 cubed (642005512818813³) is 264616104614893287393346618607885279375293797
• The square root of 642005512818813 is 25337827.7052081359
• The cube root of 642005512818813 is 86267.3092897189

Scales and comparisons

• 642,005,512,818,813 seconds is equal to 20,413,789 years, 23 weeks, 4 days, 7 hours, 53 minutes, 33 seconds.
• To count from 1 to 642,005,512,818,813 would take you about fifty-one million, thirty-four thousand, four hundred seventy-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 642005512818813 cubic inches would be around 7188.9 feet tall.

Recreational maths with 642005512818813

• 642005512818813 backwards is 318818215500246
• The number of decimal digits it has is: 15
• The sum of 642005512818813's digits is 54
• More coming soon!