1321330725

Names of 1321330725

• Cardinal: 1321330725 can be written as One billion, three hundred twenty-one million, three hundred thirty thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 1.321330725 × 10⁹

Factors of 1321330725

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 32

Divisors of 1321330725

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 11 13 15 25 27 33 39 45 55 65 75 81 99 117 135 143 165 169 195 225 243 275 297 325 351 405 429 495 507 585 675 715 729 825 845 891 975 1053 1215 1287 1485 1521 1755 1859 2025 2145 2187 2197 2475 2535 2673 2925 3159 3575 3645 3861 4225 4455 4563 5265 5577 6075 6435 6591 7425 7605 8019 8775 9295 9477 10725 10935 10985 11583 12675 13365 13689 15795 16731 18225 19305 19773 22275 22815 24057 24167 26325 27885 28431 32175 32955 34749 38025 40095 41067 46475 47385 50193 54675 54925 57915 59319 66825 68445 72501 78975 83655 96525 98865 104247 114075 120285 120835 123201 139425 142155 150579 164775 173745 177957 200475 205335 217503 236925 250965 289575 296595 312741 342225 362505 369603 418275 451737 494325 521235 533871 601425 604175 616005 652509 710775 752895 868725 889785 1026675 1087515 1254825 1355211 1482975 1563705 1601613 1812525 1848015 1957527 2258685 2606175 2669355 3080025 3262545 3764475 4065633 4448925 4804839 5437575 5872581 6776055 7818525 8008065 9240075 9787635 11293425 13346775 16312725 17617743 20328165 24024195 29362905 33880275 40040325 48938175 52853229 88088715 101640825 120120975 146814525 264266145 440443575 1321330725
• Sum of all divisors σ(n): 2903980800
• Sum of proper divisors (its aliquot sum) s(n): 1582650075
• 1321330725 is an abundant number, because the sum of its proper divisors (1582650075) is greater than itself. Its abundance is 261319350

Bases of 1321330725

• Binary: 1001110110000011110100000100101₂
• Hexadecimal: 0x4EC1E825
• Base-36: LUOPB9

Squares and roots of 1321330725

• 1321330725 squared (1321330725²) is 1745914884829025625
• 1321330725 cubed (1321330725³) is 2306930980559427930124828125
• The square root of 1321330725 is 36350.1131360001
• The cube root of 1321330725 is 1097.3298113897

Scales and comparisons

• 1,321,330,725 seconds is equal to 42 years, 5 days, 4 hours, 18 minutes, 45 seconds.
• To count from 1 to 1,321,330,725 would take you about eighty-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 1321330725 cubic inches would be around 91.4 feet tall.

Recreational maths with 1321330725

• 1321330725 backwards is 5270331231
• 1321330725 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1321330725's digits is 27
• More coming soon!