71528789090

Names of 71528789090

• Cardinal: 71528789090 can be written as Seventy-one billion, five hundred twenty-eight million, seven hundred eighty-nine thousand and ninety.

Scientific notation

• Scientific notation: 7.152878909 × 10¹⁰

Factors of 71528789090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 267

Divisors of 71528789090

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 11 19 22 38 55 79 95 110 151 158 190 209 302 361 395 418 722 755 790 869 1045 1501 1510 1661 1738 1805 2090 2869 3002 3322 3610 3971 4345 5738 7505 7942 8305 8690 11929 14345 15010 16511 16610 19855 22801 23858 28519 28690 31559 33022 39710 45602 54511 57038 59645 63118 82555 109022 114005 119290 131219 142595 157795 165110 226651 228010 250811 262438 272555 285190 313709 315590 433219 453302 501622 545110 599621 627418 656095 866438 1133255 1199242 1254055 1312190 1568545 1801279 2166095 2266510 2493161 2508110 2998105 3137090 3602558 4306369 4332190 4765409 4986322 5996210 8231161 8612738 9006395 9530818 12465805 16462322 18012790 19814069 21531845 23827045 24931610 34224301 39628138 41155805 43063690 47370059 47654090 68448602 82311610 90542771 94740118 99070345 171121505 181085542 198140690 236850295 342243010 376467311 452713855 473700590 650261719 752934622 905427710 1300523438 1882336555 3251308595 3764673110 6502617190 7152878909 14305757818 35764394545 71528789090
• Sum of all divisors σ(n): 151115207040
• Sum of proper divisors (its aliquot sum) s(n): 79586417950
• 71528789090 is an abundant number, because the sum of its proper divisors (79586417950) is greater than itself. Its abundance is 8057628860

Bases of 71528789090

• Binary: 1000010100111011100101011010001100010₂
• Hexadecimal: 0x10A772B462
• Base-36: WUYE6W2

Squares and roots of 71528789090

• 71528789090 squared (71528789090²) is 5116367668681703028100
• 71528789090 cubed (71528789090³) is 365967583880028534238979243429000
• The square root of 71528789090 is 267448.6662707445
• The cube root of 71528789090 is 4151.0722364177

Scales and comparisons

• 71,528,789,090 seconds is equal to 2,274 years, 20 weeks, 3 days, 12 hours, 4 minutes, 50 seconds.
• To count from 1 to 71,528,789,090 would take you about four thousand, five hundred forty-eight 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 71528789090 cubic inches would be around 345.9 feet tall.

Recreational maths with 71528789090

• 71528789090 backwards is 09098782517
• The number of decimal digits it has is: 11
• The sum of 71528789090's digits is 56
• More coming soon!