172355130429

Names of 172355130429

• Cardinal: 172355130429 can be written as One hundred seventy-two billion, three hundred fifty-five million, one hundred thirty thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 1.72355130429 × 10¹¹

Factors of 172355130429

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 120

Divisors of 172355130429

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 23 41 53 69 123 159 529 943 1219 1587 1681 2173 2809 2829 3657 5043 6519 8427 12167 21689 28037 36501 38663 49979 64607 65067 84111 89093 115169 115989 149937 193821 267279 345507 498847 644851 889249 1149517 1485961 1496541 1934553 2049139 2648887 2667747 3448551 4457883 4721929 6147417 7946661 14165787 20452727 26438891 34177103 47130197 60924401 61358181 79316673 102531309 108604367 141390591 182773203 325813101 1083994531 1401261223 2497900441 3251983593 4203783669 7493701323 57451710143 172355130429
• Sum of all divisors σ(n): 250988445120
• Sum of proper divisors (its aliquot sum) s(n): 78633314691
• 172355130429 is a deficient number, because the sum of its proper divisors (78633314691) is less than itself. Its deficiency is 93721815738

Bases of 172355130429

• Binary: 10100000100001001010101001010000111101₂
• Hexadecimal: 0x28212A943D
• Base-36: 276FSLRX

Squares and roots of 172355130429

• 172355130429 squared (172355130429²) is 29706290985197601724041
• 172355130429 cubed (172355130429³) is 5120031657315559553485081819943589
• The square root of 172355130429 is 415156.7540447825
• The cube root of 172355130429 is 5565.1226276835

Scales and comparisons

• 172,355,130,429 seconds is equal to 5,480 years, 18 weeks, 5 days, 1 hour, 7 minutes, 9 seconds.
• To count from 1 to 172,355,130,429 would take you about ten thousand, nine hundred sixty 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 172355130429 cubic inches would be around 463.8 feet tall.

Recreational maths with 172355130429

• 172355130429 backwards is 924031553271
• The number of decimal digits it has is: 12
• The sum of 172355130429's digits is 42
• More coming soon!