6643457790628672

Names of 6643457790628672

• Cardinal: 6643457790628672 can be written as Six quadrillion, six hundred forty-three trillion, four hundred fifty-seven billion, seven hundred ninety million, six hundred twenty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 6.643457790628672 × 10¹⁵

Factors of 6643457790628672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 56

Divisors of 6643457790628672

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 4 8 13 16 26 32 41 52 64 82 104 164 208 328 416 533 656 832 1066 1312 1681 2132 2624 3362 4264 6724 8528 13448 17056 21853 26896 34112 43706 53792 68921 87412 107584 137842 174824 275684 349648 551368 699296 895973 1102736 1398592 1791946 2205472 2825761 3583892 4410944 5651522 7167784 11303044 14335568 22606088 28671136 36734893 45212176 57342272 73469786 90424352 115856201 146939572 180848704 231712402 293879144 463424804 587758288 926849608 1175516576 1506130613 1853699216 2351033152 3012261226 3707398432 4750104241 6024522452 7414796864 9500208482 12049044904 19000416964 24098089808 38000833928 48196179616 61751355133 76001667856 96392359232 123502710266 152003335712 194754273881 247005420532 304006671424 389508547762 494010841064 779017095524 988021682128 1558034191048 1976043364256 2531805560453 3116068382096 3952086728512 5063611120906 6232136764192 7984925229121 10127222241812 12464273528384 15969850458242 20254444483624 31939700916484 40508888967248 63879401832968 81017777934496 103804027978573 127758803665936 162035555868992 207608055957146 255517607331872 415216111914292 511035214663744 830432223828584 1660864447657168 3321728895314336 6643457790628672
• Sum of all divisors σ(n): 14552126983811522
• Sum of proper divisors (its aliquot sum) s(n): 7908669193182850
• 6643457790628672 is an abundant number, because the sum of its proper divisors (7908669193182850) is greater than itself. Its abundance is 1265211402554178

Bases of 6643457790628672

• Binary: 10111100110100011000010001101101100001101001101000000₂
• Hexadecimal: 0x179A308DB0D340
• Base-36: 1TEWQDJJK1S

Squares and roots of 6643457790628672

• 6643457790628672 squared (6643457790628672²) is 44135531415864795891904988483584
• 6643457790628672 cubed (6643457790628672³) is 293212540028263480661110746644082104839311720448
• The square root of 6643457790628672 is 81507409.4216511829
• The cube root of 6643457790628672 is 187988.5479540323

Scales and comparisons

• 6,643,457,790,628,672 seconds is equal to 211,241,408 years, 9 weeks, 1 day, 17 hours, 17 minutes, 52 seconds.
• To count from 1 to 6,643,457,790,628,672 would take you about six hundred thirty-three million, seven hundred twenty-four thousand, two hundred twenty-four 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 6643457790628672 cubic inches would be around 15665.7 feet tall.

Recreational maths with 6643457790628672

• 6643457790628672 backwards is 2768260977543466
• 6643457790628672 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 6643457790628672's digits is 82
• More coming soon!