428107603155221

Names of 428107603155221

• Cardinal: 428107603155221 can be written as Four hundred twenty-eight trillion, one hundred seven billion, six hundred three million, one hundred fifty-five thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 4.28107603155221 × 10¹⁴

Factors of 428107603155221

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 670913

Divisors of 428107603155221

• Number of divisors d(n): 32
• Complete list of divisors:
  1 11 23 253 1013 2503 11143 23299 27533 57569 256289 633259 667363 2535539 7340993 15349349 27890929 58317397 168842839 641491367 676038719 1670409589 7436425909 15548890537 18374505479 38419420547 171037795907 422613626017 1692124913657 18613374050227 38918873014111 428107603155221
• Sum of all divisors σ(n): 488008675694592
• Sum of proper divisors (its aliquot sum) s(n): 59901072539371
• 428107603155221 is a deficient number, because the sum of its proper divisors (59901072539371) is less than itself. Its deficiency is 368206530615850

Bases of 428107603155221

• Binary: 1100001010101110010010001100111001001100100010101₂
• Hexadecimal: 0x1855C919C9915
• Base-36: 47R1X1IA6T

Squares and roots of 428107603155221

• 428107603155221 squared (428107603155221²) is 183276119879308189514619558841
• 428107603155221 cubed (428107603155221³) is 78461900397119580915159609276986730665858861
• The square root of 428107603155221 is 20690761.2995564035
• The cube root of 428107603155221 is 75367.5354071533

Scales and comparisons

• 428,107,603,155,221 seconds is equal to 13,612,497 years, 28 weeks, 6 days, 14 hours, 13 minutes, 41 seconds.
• To count from 1 to 428,107,603,155,221 would take you about thirty-four million, thirty-one thousand, two hundred forty-three 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 428107603155221 cubic inches would be around 6280.6 feet tall.

Recreational maths with 428107603155221

• 428107603155221 backwards is 122551306701824
• The number of decimal digits it has is: 15
• The sum of 428107603155221's digits is 47
• More coming soon!