390646564139

Names of 390646564139

• Cardinal: 390646564139 can be written as Three hundred ninety billion, six hundred forty-six million, five hundred sixty-four thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 3.90646564139 × 10¹¹

Factors of 390646564139

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 340

Divisors of 390646564139

• Number of divisors d(n): 128
• Complete list of divisors:
  1 13 19 31 37 41 169 199 247 403 481 533 589 703 779 1147 1271 1517 2197 2587 3211 3781 5239 6169 6253 6929 7363 7657 8159 9139 10127 14911 16523 19721 21793 24149 28823 33631 41743 47027 49153 68107 80197 81289 90077 95719 99541 106067 117211 118807 131651 139897 155021 193843 214799 228253 252929 256373 283309 301883 313937 374699 437203 611351 638989 893513 1042561 1244347 1294033 1378871 1523743 1544491 1711463 1818661 2015273 2519959 2792387 2967289 3288077 3332849 3683017 3924479 4081181 4336807 4805651 4871087 5735777 7947563 8306857 9358373 11615669 13553293 16176511 17925323 19808659 23642593 26198549 38574757 42745001 47879221 51018227 53055353 56378491 62473463 63324131 74565101 103318319 121658849 151003697 177809087 257512567 307353709 340581137 501471841 555685013 663236951 732920383 812155019 969346313 1581565037 1963048061 2311518131 9527964979 10558015247 12601502069 20560345481 30049735703 390646564139
• Sum of all divisors σ(n): 486205440000
• Sum of proper divisors (its aliquot sum) s(n): 95558875861
• 390646564139 is a deficient number, because the sum of its proper divisors (95558875861) is less than itself. Its deficiency is 295087688278

Bases of 390646564139

• Binary: 101101011110100010110011000010100101011₂
• Hexadecimal: 0x5AF459852B
• Base-36: 4ZGKVM0B

Squares and roots of 390646564139

• 390646564139 squared (390646564139²) is 152604738073605840811321
• 390646564139 cubed (390646564139³) is 59614516599786159395504732823817619
• The square root of 390646564139 is 625017.2510731203
• The cube root of 390646564139 is 7310.1788580969

Scales and comparisons

• 390,646,564,139 seconds is equal to 12,421 years, 18 weeks, 2 days, 6 hours, 28 minutes, 59 seconds.
• To count from 1 to 390,646,564,139 would take you about twenty-four thousand, eight hundred forty-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 390646564139 cubic inches would be around 609.2 feet tall.

Recreational maths with 390646564139

• 390646564139 backwards is 931465646093
• The number of decimal digits it has is: 12
• The sum of 390646564139's digits is 56
• More coming soon!