428907013851702160

Names of 428907013851702160

• Cardinal: 428907013851702160 can be written as Four hundred twenty-eight quadrillion, nine hundred seven trillion, thirteen billion, eight hundred fifty-one million, seven hundred two thousand, one hundred sixty.

Scientific notation

• Scientific notation: 4.2890701385170216 × 10¹⁷

Factors of 428907013851702160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 184873712867149

Divisors of 428907013851702160

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 184873712867113 369747425734226 739494851468452 924368564335565 1478989702936904 1848737128671130 2957979405873808 3697474257342260 5361337673146277 7394948514684520 10722675346292554 14789897029369040 21445350692585108 26806688365731385 42890701385170216 53613376731462770 85781402770340432 107226753462925540 214453506925851080 428907013851702160
• Sum of all divisors σ(n): 1031595317798496120
• Sum of proper divisors (its aliquot sum) s(n): 602688303946793960
• 428907013851702160 is an abundant number, because the sum of its proper divisors (602688303946793960) is greater than itself. Its abundance is 173781290095091800

Bases of 428907013851702160

• Binary: 10111110011110010001010100000011010010011011110001110010000₂
• Hexadecimal: 0x5F3C8A81A4DE390
• Base-36: 39B6UI18DH1S

Squares and roots of 428907013851702160

• 428907013851702160 squared (428907013851702160²) is 183961226531184228547892729348665600
• 428907013851702160 cubed (428907013851702160³) is 78902260335986752812044912801527499066406684637696000
• The square root of 428907013851702160 is 654909928.0448435529
• The cube root of 428907013851702160 is 754144.1781924149

Scales and comparisons

• 428,907,013,851,702,160 seconds is equal to 13,637,916,343 years, 51 weeks, 12 hours, 22 minutes, 40 seconds.
• To count from 1 to 428,907,013,851,702,160 would take you about forty billion, nine hundred thirteen million, seven hundred forty-nine thousand and thirty-one 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 428907013851702160 cubic inches would be around 62845.3 feet tall.

Recreational maths with 428907013851702160

• 428907013851702160 backwards is 061207158310709824
• The number of decimal digits it has is: 18
• The sum of 428907013851702160's digits is 64
• More coming soon!