381005898

Names of 381005898

• Cardinal: 381005898 can be written as Three hundred eighty-one million, five thousand, eight hundred ninety-eight.

Scientific notation

• Scientific notation: 3.81005898 × 10⁸

Factors of 381005898

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1977

Divisors of 381005898

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 13 14 19 21 26 38 39 42 57 78 91 114 133 182 247 266 273 361 399 494 546 722 741 798 1083 1482 1729 1933 2166 2527 3458 3866 4693 5054 5187 5799 7581 9386 10374 11598 13531 14079 15162 25129 27062 28158 32851 36727 40593 50258 65702 73454 75387 81186 98553 110181 150774 175903 197106 220362 257089 351806 477451 514178 527709 697813 771267 954902 1055418 1395626 1432353 1542534 2093439 2864706 3342157 4186878 4884691 6684314 9071569 9769382 10026471 14654073 18143138 20052942 27214707 29308146 54429414 63500983 127001966 190502949 381005898
• Sum of all divisors σ(n): 990331776
• Sum of proper divisors (its aliquot sum) s(n): 609325878
• 381005898 is an abundant number, because the sum of its proper divisors (609325878) is greater than itself. Its abundance is 228319980

Bases of 381005898

• Binary: 10110101101011011000001001010₂
• Hexadecimal: 0x16B5B04A
• Base-36: 6AUA16

Squares and roots of 381005898

• 381005898 squared (381005898²) is 145165494310786404
• 381005898 cubed (381005898³) is 55308909518495064942210792
• The square root of 381005898 is 19519.3723772051
• The cube root of 381005898 is 724.9541932215

Scales and comparisons

• 381,005,898 seconds is equal to 12 years, 5 weeks, 6 days, 18 hours, 58 minutes, 18 seconds.
• To count from 1 to 381,005,898 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 381005898 cubic inches would be around 60.4 feet tall.

Recreational maths with 381005898

• 381005898 backwards is 898500183
• 381005898 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 381005898's digits is 42
• More coming soon!