51490306890

Names of 51490306890

• Cardinal: 51490306890 can be written as Fifty-one billion, four hundred ninety million, three hundred six thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 5.149030689 × 10¹⁰

Factors of 51490306890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 732633

Divisors of 51490306890

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 71 90 99 110 142 165 198 213 330 355 426 495 639 710 781 990 1065 1278 1562 2130 2343 3195 3905 4686 6390 7029 7810 11715 14058 23430 35145 70290 732541 1465082 2197623 3662705 4395246 6592869 7325410 8057951 10988115 13185738 16115902 21976230 24173853 32964345 40289755 48347706 52010411 65928690 72521559 80579510 104020822 120869265 145043118 156031233 241738530 260052055 312062466 362607795 468093699 520104110 572114521 725215590 780156165 936187398 1144229042 1560312330 1716343563 2340468495 2860572605 3432687126 4680936990 5149030689 5721145210 8581717815 10298061378 17163435630 25745153445 51490306890
• Sum of all divisors σ(n): 148102411392
• Sum of proper divisors (its aliquot sum) s(n): 96612104502
• 51490306890 is an abundant number, because the sum of its proper divisors (96612104502) is greater than itself. Its abundance is 45121797612

Bases of 51490306890

• Binary: 101111111101000011111011101101001010₂
• Hexadecimal: 0xBFD0FBB4A
• Base-36: NNJZZ2I

Squares and roots of 51490306890

• 51490306890 squared (51490306890²) is 2651251703626381472100
• 51490306890 cubed (51490306890³) is 136513763862357707898638972769000
• The square root of 51490306890 is 226914.7568801993
• The cube root of 51490306890 is 3720.2759962587

Scales and comparisons

• 51,490,306,890 seconds is equal to 1,637 years, 12 weeks, 15 hours, 1 minute, 30 seconds.
• To count from 1 to 51,490,306,890 would take you about three thousand, two hundred seventy-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 51490306890 cubic inches would be around 310 feet tall.

Recreational maths with 51490306890

• 51490306890 backwards is 09860309415
• 51490306890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 51490306890's digits is 45
• More coming soon!