428840728272

Names of 428840728272

• Cardinal: 428840728272 can be written as Four hundred twenty-eight billion, eight hundred forty million, seven hundred twenty-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 4.28840728272 × 10¹¹

Factors of 428840728272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 828054

Divisors of 428840728272

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 88 99 108 109 132 144 176 198 216 218 264 297 327 396 432 436 528 594 654 792 872 981 1188 1199 1308 1584 1744 1962 2376 2398 2616 2943 3597 3924 4752 4796 5232 5886 7194 7848 9592 10791 11772 14388 15696 19184 21582 23544 28776 32373 43164 47088 57552 64746 86328 129492 172656 258984 517968 827929 1655858 2483787 3311716 4967574 6623432 7451361 9107219 9935148 13246864 14902722 18214438 19870296 22354083 27321657 29805444 36428876 39740592 44708166 54643314 59610888 72857752 81964971 89416332 90244261 109286628 119221776 145715504 163929942 178832664 180488522 218573256 245894913 270732783 327859884 357665328 360977044 437146512 491789826 541465566 655719768 721954088 812198349 983579652 992686871 1082931132 1311439536 1443908176 1624396698 1967159304 1985373742 2165862264 2436595047 2978060613 3248793396 3934318608 3970747484 4331724528 4873190094 5956121226 6497586792 7941494968 8934181839 9746380188 11912242452 12995173584 15882989936 17868363678 19492760376 23824484904 26802545517 35736727356 38985520752 47648969808 53605091034 71473454712 107210182068 142946909424 214420364136 428840728272
• Sum of all divisors σ(n): 1355155824000
• Sum of proper divisors (its aliquot sum) s(n): 926315095728
• 428840728272 is an abundant number, because the sum of its proper divisors (926315095728) is greater than itself. Its abundance is 497474367456

Bases of 428840728272

• Binary: 110001111011000111001100011011011010000₂
• Hexadecimal: 0x63D8E636D0
• Base-36: 5H08P3O0

Squares and roots of 428840728272

• 428840728272 squared (428840728272²) is 183904370224859340105984
• 428840728272 cubed (428840728272³) is 78865684059632191809811516225179648
• The square root of 428840728272 is 654859.3194511321
• The cube root of 428840728272 is 7541.0532636843

Scales and comparisons

• 428,840,728,272 seconds is equal to 13,635 years, 42 weeks, 8 hours, 31 minutes, 12 seconds.
• To count from 1 to 428,840,728,272 would take you about twenty-seven thousand, two hundred seventy-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 428840728272 cubic inches would be around 628.4 feet tall.

Recreational maths with 428840728272

• 428840728272 backwards is 272827048824
• 428840728272 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 428840728272's digits is 54
• More coming soon!