1428520064

Names of 1428520064

• Cardinal: 1428520064 can be written as One billion, four hundred twenty-eight million, five hundred twenty thousand and sixty-four.

Scientific notation

• Scientific notation: 1.428520064 × 10⁹

Factors of 1428520064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 115

Divisors of 1428520064

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 17 23 32 34 46 64 68 73 92 128 136 146 184 272 289 292 368 391 529 544 578 584 736 782 1058 1088 1156 1168 1241 1472 1564 1679 2116 2176 2312 2336 2482 2944 3128 3358 4232 4624 4672 4964 6256 6647 6716 8464 8993 9248 9344 9928 12512 13294 13432 16928 17986 18496 19856 21097 25024 26588 26864 28543 33856 35972 36992 38617 39712 42194 50048 53176 53728 57086 67712 71944 77234 79424 84388 106352 107456 114172 143888 152881 154468 158848 168776 212704 214912 228344 287776 305762 308936 337552 425408 456688 485231 575552 611524 617872 656489 675104 850816 913376 970462 1151104 1223048 1235744 1312978 1350208 1826752 1940924 2446096 2471488 2625956 2700416 3653504 3881848 4892192 4942976 5251912 7763696 9784384 10503824 11160313 15527392 19568768 21007648 22320626 31054784 42015296 44641252 62109568 84030592 89282504 178565008 357130016 714260032 1428520064
• Sum of all divisors σ(n): 3203578770
• Sum of proper divisors (its aliquot sum) s(n): 1775058706
• 1428520064 is an abundant number, because the sum of its proper divisors (1775058706) is greater than itself. Its abundance is 346538642

Bases of 1428520064

• Binary: 1010101001001010111110010000000₂
• Hexadecimal: 0x55257C80
• Base-36: NMI54W

Squares and roots of 1428520064

• 1428520064 squared (1428520064²) is 2040669573250564096
• 1428520064 cubed (1428520064³) is 2915137429382748510454022144
• The square root of 1428520064 is 37795.7678054039
• The cube root of 1428520064 is 1126.2343821259

Scales and comparisons

• 1,428,520,064 seconds is equal to 45 years, 21 weeks, 6 days, 19 hours, 7 minutes, 44 seconds.
• To count from 1 to 1,428,520,064 would take you about ninety 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 1428520064 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428520064

• 1428520064 backwards is 4600258241
• 1428520064 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1428520064's digits is 32
• More coming soon!