680609450

Names of 680609450

• Cardinal: 680609450 can be written as Six hundred eighty million, six hundred nine thousand, four hundred fifty.

Scientific notation

• Scientific notation: 6.8060945 × 10⁸

Factors of 680609450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 147

Divisors of 680609450

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 17 19 25 34 37 38 50 67 74 85 95 134 170 185 190 289 323 335 370 425 475 578 629 646 670 703 850 925 950 1139 1258 1273 1406 1445 1615 1675 1850 2278 2479 2546 2890 3145 3230 3350 3515 4958 5491 5695 6290 6365 7030 7225 8075 10693 10982 11390 11951 12395 12730 14450 15725 16150 17575 19363 21386 21641 23902 24790 27455 28475 31450 31825 35150 38726 42143 43282 47101 53465 54910 56950 59755 61975 63650 84286 94202 96815 106930 108205 119510 123950 137275 193630 203167 210715 216410 235505 267325 274550 298775 367897 406334 421430 471010 484075 534650 541025 597550 716431 735794 800717 968150 1015835 1053575 1082050 1177525 1432862 1601434 1839485 2031670 2107150 2355050 3582155 3678970 4003585 5079175 7164310 8007170 9197425 10158350 13612189 17910775 18394850 20017925 27224378 35821550 40035850 68060945 136121890 340304725 680609450
• Sum of all divisors σ(n): 1475515680
• Sum of proper divisors (its aliquot sum) s(n): 794906230
• 680609450 is an abundant number, because the sum of its proper divisors (794906230) is greater than itself. Its abundance is 114296780

Bases of 680609450

• Binary: 101000100100010100011010101010₂
• Hexadecimal: 0x289146AA
• Base-36: B97TM2

Squares and roots of 680609450

• 680609450 squared (680609450²) is 463229223429302500
• 680609450 cubed (680609450³) is 315278186982144688408625000
• The square root of 680609450 is 26088.4926739739
• The cube root of 680609450 is 879.6285665589

Scales and comparisons

• 680,609,450 seconds is equal to 21 years, 33 weeks, 2 days, 10 hours, 10 minutes, 50 seconds.
• To count from 1 to 680,609,450 would take you about thirty-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 680609450 cubic inches would be around 73.3 feet tall.

Recreational maths with 680609450

• 680609450 backwards is 054906086
• 680609450 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 680609450's digits is 38
• More coming soon!