28351321272

Names of 28351321272

• Cardinal: 28351321272 can be written as Twenty-eight billion, three hundred fifty-one million, three hundred twenty-one thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.8351321272 × 10¹⁰

Factors of 28351321272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 190

Divisors of 28351321272

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 29 36 54 58 72 73 81 83 87 108 116 146 162 166 174 216 219 232 243 249 261 292 324 332 348 438 486 498 522 584 648 657 664 696 747 783 876 972 996 1044 1314 1494 1566 1752 1944 1971 1992 2088 2117 2241 2349 2407 2628 2988 3132 3942 4234 4482 4698 4814 5256 5913 5976 6059 6264 6351 6723 6889 7047 7221 7884 8468 8964 9396 9628 11826 12118 12702 13446 13778 14094 14442 15768 16936 17739 17928 18177 18792 19053 19256 20169 20667 21663 23652 24236 25404 26892 27556 28188 28884 35478 36354 38106 40338 41334 43326 47304 48472 50808 53784 54531 55112 56376 57159 57768 62001 64989 70956 72708 76212 80676 82668 86652 109062 114318 124002 129978 141912 145416 152424 161352 163593 165336 171477 173304 175711 186003 194967 199781 218124 228636 248004 259956 327186 342954 351422 372006 389934 399562 436248 457272 490779 496008 502897 514431 519912 527133 558009 584901 599343 654372 685908 702844 744012 779868 799124 981558 1005794 1028862 1054266 1116018 1169802 1198686 1308744 1371816 1405688 1472337 1488024 1508691 1559736 1581399 1598248 1674027 1798029 1963116 2011588 2057724 2108532 2232036 2339604 2397372 2944674 3017382 3162798 3348054 3596058 3926232 4023176 4115448 4217064 4464072 4526073 4679208 4744197 4794744 5394087 5889348 6034764 6325596 6696108 7192116 9052146 9488394 10788174 11778696 12069528 12651192 13392216 13578219 14232591 14384232 14584013 16182261 18104292 18976788 21576348 27156438 28465182 29168026 32364522 36208584 37953576 40734657 42697773 43152696 43752039 48546783 54312876 56930364 58336052 64729044 81469314 85395546 87504078 97093566 108625752 113860728 116672104 122203971 129458088 131256117 162938628 170791092 175008156 194187132 244407942 262512234 325877256 341582184 350016312 388374264 393768351 488815884 525024468 787536702 977631768 1050048936 1181305053 1575073404 2362610106 3150146808 3543915159 4725220212 7087830318 9450440424 14175660636 28351321272
• Sum of all divisors σ(n): 84521127600
• Sum of proper divisors (its aliquot sum) s(n): 56169806328
• 28351321272 is an abundant number, because the sum of its proper divisors (56169806328) is greater than itself. Its abundance is 27818485056

Bases of 28351321272

• Binary: 11010011001110111101101010010111000₂
• Hexadecimal: 0x699DED4B8
• Base-36: D0VN7I0

Squares and roots of 28351321272

• 28351321272 squared (28351321272²) is 803797417868159697984
• 28351321272 cubed (28351321272³) is 22788718831584228936946874715648
• The square root of 28351321272 is 168378.5059679531
• The cube root of 28351321272 is 3049.2364395869

Scales and comparisons

• 28,351,321,272 seconds is equal to 901 years, 25 weeks, 1 day, 7 hours, 1 minute, 12 seconds.
• To count from 1 to 28,351,321,272 would take you about one thousand, eight hundred two 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 28351321272 cubic inches would be around 254.1 feet tall.

Recreational maths with 28351321272

• 28351321272 backwards is 27212315382
• 28351321272 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28351321272's digits is 36
• More coming soon!