428002430751

Names of 428002430751

• Cardinal: 428002430751 can be written as Four hundred twenty-eight billion, two million, four hundred thirty thousand, seven hundred fifty-one.

Scientific notation

• Scientific notation: 4.28002430751 × 10¹¹

Factors of 428002430751

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 210627

Divisors of 428002430751

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 23 61 63 69 161 183 207 427 483 529 549 1281 1403 1449 1587 3703 3843 4209 4761 9821 11109 12627 29463 32269 33327 88389 96807 210533 225883 290421 631599 677649 1473731 1894797 2032947 4421193 4842259 12842513 13263579 14526777 33895813 38527539 43580331 89897591 101687439 111371957 115582617 269692773 295377799 305062317 334115871 779603699 809078319 886133397 1002347613 2067644593 2338811097 2658400191 6202933779 6793689377 7016433291 18608801337 20381068131 47555825639 61143204393 142667476917 428002430751
• Sum of all divisors σ(n): 750710347296
• Sum of proper divisors (its aliquot sum) s(n): 322707916545
• 428002430751 is a deficient number, because the sum of its proper divisors (322707916545) is less than itself. Its deficiency is 105294514206

Bases of 428002430751

• Binary: 110001110100110111011101100111100011111₂
• Hexadecimal: 0x63A6EECF1F
• Base-36: 5GMDLH5R

Squares and roots of 428002430751

• 428002430751 squared (428002430751²) is 183186080728764550424001
• 428002430751 cubed (428002430751³) is 78404087831660145106632135690854751
• The square root of 428002430751 is 654218.9471048665
• The cube root of 428002430751 is 7536.1363100603

Scales and comparisons

• 428,002,430,751 seconds is equal to 13,609 years, 7 weeks, 6 days, 20 hours, 5 minutes, 51 seconds.
• To count from 1 to 428,002,430,751 would take you about twenty-seven thousand, two hundred eighteen 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 428002430751 cubic inches would be around 628 feet tall.

Recreational maths with 428002430751

• 428002430751 backwards is 157034200824
• The number of decimal digits it has is: 12
• The sum of 428002430751's digits is 36
• More coming soon!