428138716812

Names of 428138716812

• Cardinal: 428138716812 can be written as Four hundred twenty-eight billion, one hundred thirty-eight million, seven hundred sixteen thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 4.28138716812 × 10¹¹

Factors of 428138716812

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1126

Divisors of 428138716812

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 12 29 58 71 79 87 116 142 158 174 213 237 284 316 348 421 426 474 521 842 852 948 1042 1263 1563 1684 2059 2084 2291 2526 3126 4118 4582 5052 5609 6177 6252 6873 8236 9164 11218 12209 12354 13746 15109 16827 22436 24418 24708 27492 29891 30218 33259 33654 36627 36991 41159 45327 48836 59782 60436 66518 67308 73254 73982 82318 89673 90654 99777 110973 119564 123477 133036 146508 147964 162661 164636 179346 181308 199554 219341 221946 246954 325322 358692 399108 438682 443892 487983 493908 650644 658023 866839 877364 964511 975966 1072739 1193611 1316046 1733678 1929022 1951932 2145478 2361389 2387222 2600517 2632092 2893533 2922289 3218217 3467356 3580833 3858044 4290956 4722778 4774444 5201034 5787066 5844578 6360889 6436434 7084167 7161666 8766867 9445556 10402068 11574132 11689156 12721778 12872868 14168334 14323332 15573211 17327939 17533734 19082667 25443556 28336668 31146422 34655878 35067468 38165334 46719633 51983817 62292844 68480281 69311756 76330668 84746381 93439266 103967634 136960562 169492762 186878532 205440843 207935268 254239143 273921124 338985524 410881686 451623119 502510231 508478286 821763372 903246238 1005020462 1016956572 1230283669 1354869357 1507530693 1806492476 2010040924 2460567338 2709738714 3015061386 3690851007 4921134676 5419477428 6030122772 7381702014 14763404028 35678226401 71356452802 107034679203 142712905604 214069358406 428138716812
• Sum of all divisors σ(n): 1065822105600
• Sum of proper divisors (its aliquot sum) s(n): 637683388788
• 428138716812 is an abundant number, because the sum of its proper divisors (637683388788) is greater than itself. Its abundance is 209544671976

Bases of 428138716812

• Binary: 110001110101111000011100101111010001100₂
• Hexadecimal: 0x63AF0E5E8C
• Base-36: 5GOMQK5O

Squares and roots of 428138716812

• 428138716812 squared (428138716812²) is 183302760833425931443344
• 428138716812 cubed (428138716812³) is 78479008811319909965999183238299328
• The square root of 428138716812 is 654323.0981800963
• The cube root of 428138716812 is 7536.9361196437

Scales and comparisons

• 428,138,716,812 seconds is equal to 13,613 years, 25 weeks, 2 days, 5 hours, 20 minutes, 12 seconds.
• To count from 1 to 428,138,716,812 would take you about twenty-seven thousand, two hundred twenty-six 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 428138716812 cubic inches would be around 628.1 feet tall.

Recreational maths with 428138716812

• 428138716812 backwards is 218617831824
• The number of decimal digits it has is: 12
• The sum of 428138716812's digits is 51
• More coming soon!