128273877490

Names of 128273877490

• Cardinal: 128273877490 can be written as One hundred twenty-eight billion, two hundred seventy-three million, eight hundred seventy-seven thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.2827387749 × 10¹¹

Factors of 128273877490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 129837

Divisors of 128273877490

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 11 19 22 38 43 55 86 95 110 121 190 209 215 242 418 430 473 605 817 946 1045 1210 1634 2090 2299 2365 4085 4598 4730 5203 8170 8987 10406 11495 17974 22990 26015 44935 52030 89870 98857 129757 197714 259514 494285 648785 988570 1297570 1427327 2465383 2854654 4930766 5579551 7136635 11159102 12326915 14273270 15700597 24653830 27119213 27897755 31401194 54238426 55795510 61375061 78502985 106011469 122750122 135596065 157005970 212022938 271192130 298311343 306875305 530057345 596622686 613750610 675125671 1060114690 1166126159 1350251342 1491556715 2332252318 2983113430 3375628355 5830630795 6751256710 11661261590 12827387749 25654775498 64136938745 128273877490
• Sum of all divisors σ(n): 273363773760
• Sum of proper divisors (its aliquot sum) s(n): 145089896270
• 128273877490 is an abundant number, because the sum of its proper divisors (145089896270) is greater than itself. Its abundance is 16816018780

Bases of 128273877490

• Binary: 1110111011101101110000000100111110010₂
• Hexadecimal: 0x1DDDB809F2
• Base-36: 1MXEYDBM

Squares and roots of 128273877490

• 128273877490 squared (128273877490²) is 16454187646319528700100
• 128273877490 cubed (128273877490³) is 2110642450341462673871166350749000
• The square root of 128273877490 is 358153.4273045561
• The cube root of 128273877490 is 5043.2760558233

Scales and comparisons

• 128,273,877,490 seconds is equal to 4,078 years, 37 weeks, 8 hours, 38 minutes, 10 seconds.
• To count from 1 to 128,273,877,490 would take you about eight thousand, one hundred fifty-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 128273877490 cubic inches would be around 420.3 feet tall.

Recreational maths with 128273877490

• 128273877490 backwards is 094778372821
• The number of decimal digits it has is: 12
• The sum of 128273877490's digits is 58
• More coming soon!