381294690

Names of 381294690

• Cardinal: 381294690 can be written as Three hundred eighty-one million, two hundred ninety-four thousand, six hundred ninety.

Scientific notation

• Scientific notation: 3.8129469 × 10⁸

Factors of 381294690

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1016

Divisors of 381294690

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 69 70 89 105 115 138 161 178 210 230 267 322 345 445 483 534 623 690 805 887 890 966 1246 1335 1610 1774 1869 2047 2415 2661 2670 3115 3738 4094 4435 4830 5322 6141 6209 6230 8870 9345 10235 12282 12418 13305 14329 18627 18690 20401 20470 26610 28658 30705 31045 37254 40802 42987 61203 61410 62090 71645 78943 85974 93135 102005 122406 142807 143290 157886 186270 204010 214935 236829 285614 306015 394715 428421 429870 473658 552601 612030 714035 789430 856842 1105202 1184145 1428070 1657803 1815689 2142105 2368290 2763005 3315606 3631378 4284210 5447067 5526010 8289015 9078445 10894134 12709823 16578030 18156890 25419646 27235335 38129469 54470670 63549115 76258938 127098230 190647345 381294690
• Sum of all divisors σ(n): 1104814080
• Sum of proper divisors (its aliquot sum) s(n): 723519390
• 381294690 is an abundant number, because the sum of its proper divisors (723519390) is greater than itself. Its abundance is 342224700

Bases of 381294690

• Binary: 10110101110100001100001100010₂
• Hexadecimal: 0x16BA1862
• Base-36: 6B0GV6

Squares and roots of 381294690

• 381294690 squared (381294690²) is 145385640622196100
• 381294690 cubed (381294690³) is 55434772771491669068709000
• The square root of 381294690 is 19526.7685498651
• The cube root of 381294690 is 725.1373120815

Scales and comparisons

• 381,294,690 seconds is equal to 12 years, 6 weeks, 3 days, 3 hours, 11 minutes, 30 seconds.
• To count from 1 to 381,294,690 would take you about eighteen 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 381294690 cubic inches would be around 60.4 feet tall.

Recreational maths with 381294690

• 381294690 backwards is 096492183
• 381294690 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 381294690's digits is 42
• More coming soon!