172021628397

Names of 172021628397

• Cardinal: 172021628397 can be written as One hundred seventy-two billion, twenty-one million, six hundred twenty-eight thousand, three hundred ninety-seven.

Scientific notation

• Scientific notation: 1.72021628397 × 10¹¹

Factors of 172021628397

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1610

Divisors of 172021628397

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 31 67 93 127 181 201 381 543 1201 2077 3603 3937 5611 6231 8509 11811 12127 16833 22987 25527 36381 37231 68961 80467 111693 152527 217381 241401 263779 375937 457581 652143 712597 791337 1127811 1540129 2137791 2494477 4620387 4728337 6738811 7483431 10219309 14185011 14564527 20216433 27607387 30657927 43693581 47743999 82822161 143231997 316798579 451500337 855828997 950395737 1354501011 1849694929 2567486991 5549084787 57340542799 172021628397
• Sum of all divisors σ(n): 243727597568
• Sum of proper divisors (its aliquot sum) s(n): 71705969171
• 172021628397 is a deficient number, because the sum of its proper divisors (71705969171) is less than itself. Its deficiency is 100315659226

Bases of 172021628397

• Binary: 10100000001101010010011011110111101101₂
• Hexadecimal: 0x280D49BDED
• Base-36: 270X8HYL

Squares and roots of 172021628397

• 172021628397 squared (172021628397²) is 29591440636355556789609
• 172021628397 cubed (172021628397³) is 5090367804879040798428149708926773
• The square root of 172021628397 is 414754.9015949059
• The cube root of 172021628397 is 5561.5308613169

Scales and comparisons

• 172,021,628,397 seconds is equal to 5,469 years, 39 weeks, 2 days, 1 hour, 39 minutes, 57 seconds.
• To count from 1 to 172,021,628,397 would take you about ten thousand, nine hundred 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 172021628397 cubic inches would be around 463.5 feet tall.

Recreational maths with 172021628397

• 172021628397 backwards is 793826120271
• The number of decimal digits it has is: 12
• The sum of 172021628397's digits is 48
• More coming soon!