129297016827

Names of 129297016827

• Cardinal: 129297016827 can be written as One hundred twenty-nine billion, two hundred ninety-seven million, sixteen thousand, eight hundred twenty-seven.

Scientific notation

• Scientific notation: 1.29297016827 × 10¹¹

Factors of 129297016827

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 247

Divisors of 129297016827

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 9 11 27 33 81 99 121 233 243 297 363 699 729 891 1089 2097 2187 2563 2673 3267 6291 6561 7689 8019 9801 18873 19683 23067 24057 28193 29403 54289 56619 69201 72171 84579 88209 162867 169857 207603 216513 253737 264627 488601 509571 597179 622809 761211 793881 1465803 1528713 1791537 1868427 2283633 2381643 4397409 4586139 5374611 5605281 6568969 6850899 13192227 16123833 16815843 19706907 20552697 39576681 48371499 50447529 59120721 61658091 118730043 145114497 177362163 184974273 356190129 435343491 532086489 554922819 1068570387 1306030473 1596259467 3918091419 4788778401 11754274257 14366335203 43099005609 129297016827
• Sum of all divisors σ(n): 214095027916
• Sum of proper divisors (its aliquot sum) s(n): 84798011089
• 129297016827 is a deficient number, because the sum of its proper divisors (84798011089) is less than itself. Its deficiency is 44499005738

Bases of 129297016827

• Binary: 1111000011010101100111110011111111011₂
• Hexadecimal: 0x1E1AB3E7FB
• Base-36: 1NEC3SOR

Squares and roots of 129297016827

• 129297016827 squared (129297016827²) is 16717718560361521147929
• 129297016827 cubed (129297016827³) is 2161551138008113815067092269201283
• The square root of 129297016827 is 359578.9438037217
• The cube root of 129297016827 is 5056.6493049985

Scales and comparisons

• 129,297,016,827 seconds is equal to 4,111 years, 12 weeks, 5 days, 6 hours, 27 seconds.
• To count from 1 to 129,297,016,827 would take you about eight thousand, two hundred twenty-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 129297016827 cubic inches would be around 421.4 feet tall.

Recreational maths with 129297016827

• 129297016827 backwards is 728610792921
• The number of decimal digits it has is: 12
• The sum of 129297016827's digits is 54
• More coming soon!