830978820

Names of 830978820

• Cardinal: 830978820 can be written as Eight hundred thirty million, nine hundred seventy-eight thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 8.3097882 × 10⁸

Factors of 830978820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2645

Divisors of 830978820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 281 315 420 562 630 843 1124 1260 1405 1686 1967 2347 2529 2810 3372 3934 4215 4694 5058 5620 5901 7041 7868 8430 9388 9835 10116 11735 11802 12645 14082 16429 16860 17703 19670 21123 23470 23604 25290 28164 29505 32858 35205 35406 39340 42246 46940 49287 50580 59010 65716 70410 70812 82145 84492 88515 98574 105615 118020 140820 147861 164290 177030 197148 211230 246435 295722 328580 354060 422460 492870 591444 659507 739305 985740 1319014 1478610 1978521 2638028 2957220 3297535 3957042 4616549 5935563 6595070 7914084 9233098 9892605 11871126 13190140 13849647 18466196 19785210 23082745 23742252 27699294 29677815 39570420 41548941 46165490 55398588 59355630 69248235 83097882 92330980 118711260 138496470 166195764 207744705 276992940 415489410 830978820
• Sum of all divisors σ(n): 2892210048
• Sum of proper divisors (its aliquot sum) s(n): 2061231228
• 830978820 is an abundant number, because the sum of its proper divisors (2061231228) is greater than itself. Its abundance is 1230252408

Bases of 830978820

• Binary: 110001100001111011101100000100₂
• Hexadecimal: 0x3187BB04
• Base-36: DQQRD0

Squares and roots of 830978820

• 830978820 squared (830978820²) is 690525799288592400
• 830978820 cubed (830978820³) is 573812313872391352012968000
• The square root of 830978820 is 28826.7032454285
• The cube root of 830978820 is 940.1489201211

Scales and comparisons

• 830,978,820 seconds is equal to 26 years, 21 weeks, 6 days, 19 hours, 27 minutes.
• To count from 1 to 830,978,820 would take you about thirty-nine 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 830978820 cubic inches would be around 78.3 feet tall.

Recreational maths with 830978820

• 830978820 backwards is 028879038
• 830978820 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 830978820's digits is 45
• More coming soon!