28429456748

Names of 28429456748

• Cardinal: 28429456748 can be written as Twenty-eight billion, four hundred twenty-nine million, four hundred fifty-six thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 2.8429456748 × 10¹⁰

Factors of 28429456748

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1143

Divisors of 28429456748

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 61 77 121 122 151 154 242 244 302 308 427 484 604 671 847 854 911 1057 1342 1661 1694 1708 1822 2114 2684 3322 3388 3644 4228 4697 6377 6644 7381 9211 9394 10021 11627 12754 14762 18271 18422 18788 20042 23254 25508 29524 36542 36844 40084 46508 51667 55571 64477 70147 73084 101321 103334 110231 111142 127897 128954 137561 140294 202642 206668 220462 222284 255794 257908 275122 280588 388997 405284 440924 511588 550244 611281 709247 771617 777994 962927 1114531 1222562 1418494 1513171 1543234 1555988 1925854 2229062 2445124 2836988 3026342 3086468 3851708 4278967 4458124 6052684 6724091 7801717 8391221 8557934 10592197 13448182 15603434 16644881 16782442 17115868 21184394 26896364 31206868 33289762 33564884 42368788 47068637 58738547 66579524 92303431 94137274 116514167 117477094 184606862 188274548 233028334 234954188 369213724 466056668 646124017 1015337741 1292248034 2030675482 2584496068 4061350964 7107364187 14214728374 28429456748
• Sum of all divisors σ(n): 64013236224
• Sum of proper divisors (its aliquot sum) s(n): 35583779476
• 28429456748 is an abundant number, because the sum of its proper divisors (35583779476) is greater than itself. Its abundance is 7154322728

Bases of 28429456748

• Binary: 11010011110100001110001010101101100₂
• Hexadecimal: 0x69E87156C
• Base-36: D265X7W

Squares and roots of 28429456748

• 28429456748 squared (28429456748²) is 808234010986402735504
• 28429456748 cubed (28429456748³) is 22977653857600493385119851980992
• The square root of 28429456748 is 168610.3696336617
• The cube root of 28429456748 is 3052.0350746067

Scales and comparisons

• 28,429,456,748 seconds is equal to 903 years, 50 weeks, 2 days, 15 hours, 19 minutes, 8 seconds.
• To count from 1 to 28,429,456,748 would take you about one thousand, eight hundred seven 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 28429456748 cubic inches would be around 254.3 feet tall.

Recreational maths with 28429456748

• 28429456748 backwards is 84765492482
• The number of decimal digits it has is: 11
• The sum of 28429456748's digits is 59
• More coming soon!