9681697389

Names of 9681697389

• Cardinal: 9681697389 can be written as Nine billion, six hundred eighty-one million, six hundred ninety-seven thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 9.681697389 × 10⁹

Factors of 9681697389

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 722

Divisors of 9681697389

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 13 21 31 37 39 49 91 93 111 147 217 259 273 343 403 481 631 637 651 777 1029 1147 1209 1443 1519 1813 1893 1911 2821 3367 3441 4417 4459 4557 5439 8029 8203 8463 10101 10633 12691 13251 13377 14911 19561 19747 23347 23569 24087 24609 30919 31899 38073 44733 56203 57421 58683 59241 70041 70707 92757 104377 136927 138229 163429 164983 168609 172263 216433 254293 303511 313131 393421 401947 410781 414687 490287 494949 649299 723757 730639 762879 910533 958489 1144003 1180263 1205841 1780051 2124577 2171271 2191917 2813629 2875467 3432009 5066299 5114473 5340153 6373731 6709423 8008021 8440887 9408841 12460357 14872039 15198897 15343419 20128269 24024063 28226523 35464093 37381071 44616117 65861887 87222499 104104273 106392279 197585661 248248651 261667497 312312819 461033209 744745953 1383099627 3227232463 9681697389
• Sum of all divisors σ(n): 17214668800
• Sum of proper divisors (its aliquot sum) s(n): 7532971411
• 9681697389 is a deficient number, because the sum of its proper divisors (7532971411) is less than itself. Its deficiency is 2148725978

Bases of 9681697389

• Binary: 1001000001000100101111101001101101₂
• Hexadecimal: 0x24112FA6D
• Base-36: 4G48DIL

Squares and roots of 9681697389

• 9681697389 squared (9681697389²) is 93735264332169417321
• 9681697389 cubed (9681697389³) is 907516463941989476382377074869
• The square root of 9681697389 is 98395.6167163965
• The cube root of 9681697389 is 2131.3290352277

Scales and comparisons

• 9,681,697,389 seconds is equal to 307 years, 44 weeks, 16 hours, 23 minutes, 9 seconds.
• To count from 1 to 9,681,697,389 would take you about six hundred fifteen 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 9681697389 cubic inches would be around 177.6 feet tall.

Recreational maths with 9681697389

• 9681697389 backwards is 9837961869
• The number of decimal digits it has is: 10
• The sum of 9681697389's digits is 66
• More coming soon!