129444096789

Names of 129444096789

• Cardinal: 129444096789 can be written as One hundred twenty-nine billion, four hundred forty-four million, ninety-six thousand, seven hundred eighty-nine.

Scientific notation

• Scientific notation: 1.29444096789 × 10¹¹

Factors of 129444096789

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 666

Divisors of 129444096789

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 109 147 189 327 441 547 567 763 981 1323 1641 2289 2943 3829 3969 4923 5341 6867 8829 11487 14769 16023 20601 26803 34461 44307 48069 59623 61803 80409 103383 144207 178869 241227 299209 310149 417361 432621 536607 723681 897627 1252083 1609821 2094463 2171043 2692881 2921527 3756249 4829463 6283389 8078643 8764581 11268747 14661241 18850167 24235929 26293743 32613781 33806241 43983723 56550501 78881229 97841343 131951169 169651503 228296467 236643687 293524029 395853507 684889401 880572087 1187560521 1598075269 2054668203 2641716261 4794225807 6164004609 14382677421 18492013827 43148032263 129444096789
• Sum of all divisors σ(n): 227416643190
• Sum of proper divisors (its aliquot sum) s(n): 97972546401
• 129444096789 is a deficient number, because the sum of its proper divisors (97972546401) is less than itself. Its deficiency is 31471550388

Bases of 129444096789

• Binary: 1111000100011011110000010101100010101₂
• Hexadecimal: 0x1E23782B15
• Base-36: 1NGRO8B9

Squares and roots of 129444096789

• 129444096789 squared (129444096789²) is 16755774193520000110521
• 129444096789 cubed (129444096789³) is 2168936056480631310913571021217069
• The square root of 129444096789 is 359783.4026035665
• The cube root of 129444096789 is 5058.5659513291

Scales and comparisons

• 129,444,096,789 seconds is equal to 4,115 years, 47 weeks, 6 days, 13 hours, 33 minutes, 9 seconds.
• To count from 1 to 129,444,096,789 would take you about eight thousand, two hundred thirty-one 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 129444096789 cubic inches would be around 421.5 feet tall.

Recreational maths with 129444096789

• 129444096789 backwards is 987690444921
• 129444096789 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129444096789's digits is 63
• More coming soon!