28688312016

Names of 28688312016

• Cardinal: 28688312016 can be written as Twenty-eight billion, six hundred eighty-eight million, three hundred twelve thousand and sixteen.

Scientific notation

• Scientific notation: 2.8688312016 × 10¹⁰

Factors of 28688312016

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3121

Divisors of 28688312016

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 72 78 84 91 104 112 117 126 144 156 168 182 208 234 252 273 312 336 364 468 504 546 624 728 819 936 1008 1092 1093 1456 1638 1872 2003 2184 2186 3276 3279 4006 4368 4372 6009 6552 6558 7651 8012 8744 9837 12018 13104 13116 14021 14209 15302 16024 17488 18027 19674 22953 24036 26039 26232 28042 28418 30604 32048 36054 39348 42063 42627 45906 48072 52078 52464 56084 56836 61208 68859 72108 78117 78696 84126 85254 91812 96144 99463 104156 112168 113672 122416 126189 127881 137718 144216 156234 157392 168252 170508 182273 183624 198926 208312 224336 227344 234351 252378 255762 275436 288432 298389 312468 336504 341016 364546 367248 397852 416624 468702 504756 511524 546819 550872 596778 624936 673008 682032 729092 795704 895167 937404 1009512 1023048 1093638 1101744 1193556 1249872 1458184 1591408 1640457 1790334 1874808 2019024 2046096 2187276 2189279 2387112 2916368 3280914 3580668 3749616 4374552 4378558 4774224 6561828 6567837 7161336 8749104 8757116 13123656 13135674 14322672 15324953 17514232 19703511 26247312 26271348 28460627 30649906 35028464 39407022 45974859 52542696 56921254 61299812 78814044 85381881 91949718 105085392 113842508 122599624 137924577 157628088 170763762 183899436 199224389 227685016 245199248 256145643 275849154 315256176 341527524 367798872 398448778 455370032 512291286 551698308 597673167 683055048 735597744 796897556 1024582572 1103396616 1195346334 1366110096 1593795112 1793019501 2049165144 2206793232 2390692668 3187590224 3586039002 4098330288 4781385336 7172078004 9562770672 14344156008 28688312016
• Sum of all divisors σ(n): 98955083136
• Sum of proper divisors (its aliquot sum) s(n): 70266771120
• 28688312016 is an abundant number, because the sum of its proper divisors (70266771120) is greater than itself. Its abundance is 41578459104

Bases of 28688312016

• Binary: 11010101101111101001110011011010000₂
• Hexadecimal: 0x6ADF4E6D0
• Base-36: D6GA380

Squares and roots of 28688312016

• 28688312016 squared (28688312016²) is 823019246327369984256
• 28688312016 cubed (28688312016³) is 23611032933812752189009135620096
• The square root of 28688312016 is 169376.2439541035
• The cube root of 28688312016 is 3061.2702095577

Scales and comparisons

• 28,688,312,016 seconds is equal to 912 years, 10 weeks, 2 days, 15 hours, 33 minutes, 36 seconds.
• To count from 1 to 28,688,312,016 would take you about one thousand, eight hundred twenty-four 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 28688312016 cubic inches would be around 255.1 feet tall.

Recreational maths with 28688312016

• 28688312016 backwards is 61021388682
• The number of decimal digits it has is: 11
• The sum of 28688312016's digits is 45
• More coming soon!