1263138268

Names of 1263138268

• Cardinal: 1263138268 can be written as One billion, two hundred sixty-three million, one hundred thirty-eight thousand, two hundred sixty-eight.

Scientific notation

• Scientific notation: 1.263138268 × 10⁹

Factors of 1263138268

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 214

Divisors of 1263138268

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 14 28 29 49 58 79 97 98 116 158 194 196 203 316 388 406 553 679 812 841 1106 1358 1421 1682 2212 2291 2716 2813 2842 3364 3871 4582 4753 5626 5684 5887 7663 7742 9164 9506 11252 11774 15326 15484 16037 19012 19691 23548 30652 32074 39382 41209 53641 64148 66439 78764 81577 82418 107282 112259 132878 137837 163154 164836 214564 222227 224518 265756 275674 326308 375487 444454 449036 465073 551348 571039 750974 888908 930146 1142078 1501948 1555589 1860292 2284156 3111178 3255511 3997273 6222356 6444583 6511022 7994546 10889123 12889166 13022044 15989092 21778246 25778332 43556492 45112081 90224162 180448324 315784567 631569134 1263138268
• Sum of all divisors σ(n): 2724627360
• Sum of proper divisors (its aliquot sum) s(n): 1461489092
• 1263138268 is an abundant number, because the sum of its proper divisors (1461489092) is greater than itself. Its abundance is 198350824

Bases of 1263138268

• Binary: 1001011010010011111010111011100₂
• Hexadecimal: 0x4B49F5DC
• Base-36: KW1FQ4

Squares and roots of 1263138268

• 1263138268 squared (1263138268²) is 1595518284086039824
• 1263138268 cubed (1263138268³) is 2015360201922772306266384832
• The square root of 1263138268 is 35540.6565499289
• The cube root of 1263138268 is 1080.9782711297

Scales and comparisons

• 1,263,138,268 seconds is equal to 40 years, 8 weeks, 3 days, 15 hours, 44 minutes, 28 seconds.
• To count from 1 to 1,263,138,268 would take you about eighty 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 1263138268 cubic inches would be around 90.1 feet tall.

Recreational maths with 1263138268

• 1263138268 backwards is 8628313621
• The number of decimal digits it has is: 10
• The sum of 1263138268's digits is 40
• More coming soon!