689052980

Names of 689052980

• Cardinal: 689052980 can be written as Six hundred eighty-nine million, fifty-two thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 6.8905298 × 10⁸

Factors of 689052980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2023

Divisors of 689052980

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 257 308 385 514 770 1028 1285 1540 1741 1799 2570 2827 3482 3598 5140 5654 6964 7196 8705 8995 11308 12187 14135 17410 17990 19151 19789 24374 28270 34820 35980 38302 39578 48748 56540 60935 76604 79156 95755 98945 121870 134057 191510 197890 243740 268114 383020 395780 447437 536228 670285 894874 1340570 1789748 2237185 2681140 3132059 4474370 4921807 6264118 8948740 9843614 12528236 15660295 19687228 24609035 31320590 34452649 49218070 62641180 68905298 98436140 137810596 172263245 344526490 689052980
• Sum of all divisors σ(n): 1812125952
• Sum of proper divisors (its aliquot sum) s(n): 1123072972
• 689052980 is an abundant number, because the sum of its proper divisors (1123072972) is greater than itself. Its abundance is 434019992

Bases of 689052980

• Binary: 101001000100100001110100110100₂
• Hexadecimal: 0x29121D34
• Base-36: BE8SOK

Squares and roots of 689052980

• 689052980 squared (689052980²) is 474794009246880400
• 689052980 cubed (689052980³) is 327158226957710495323592000
• The square root of 689052980 is 26249.8186660403
• The cube root of 689052980 is 883.2511368475

Scales and comparisons

• 689,052,980 seconds is equal to 21 years, 47 weeks, 2 days, 3 hours, 36 minutes, 20 seconds.
• To count from 1 to 689,052,980 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 689052980 cubic inches would be around 73.6 feet tall.

Recreational maths with 689052980

• 689052980 backwards is 089250986
• The number of decimal digits it has is: 9
• The sum of 689052980's digits is 47
• More coming soon!