30851671680

Names of 30851671680

• Cardinal: 30851671680 can be written as Thirty billion, eight hundred fifty-one million, six hundred seventy-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 3.085167168 × 10¹⁰

Factors of 30851671680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5356203

Divisors of 30851671680

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 288 320 360 384 480 576 640 720 960 1152 1440 1920 2880 5760 5356193 10712386 16068579 21424772 26780965 32137158 42849544 48205737 53561930 64274316 80342895 85699088 96411474 107123860 128548632 160685790 171398176 192822948 214247720 241028685 257097264 321371580 342796352 385645896 428495440 482057370 514194528 642743160 685592704 771291792 856990880 964114740 1028389056 1285486320 1542583584 1713981760 1928229480 2056778112 2570972640 3085167168 3427963520 3856458960 5141945280 6170334336 7712917920 10283890560 15425835840 30851671680
• Sum of all divisors σ(n): 106534698660
• Sum of proper divisors (its aliquot sum) s(n): 75683026980
• 30851671680 is an abundant number, because the sum of its proper divisors (75683026980) is greater than itself. Its abundance is 44831355300

Bases of 30851671680

• Binary: 11100101110111001110010011010000000₂
• Hexadecimal: 0x72EE72680
• Base-36: E68AE80

Squares and roots of 30851671680

• 30851671680 squared (30851671680²) is 951825645450514022400
• 30851671680 cubed (30851671680³) is 29365412310043344306320965632000
• The square root of 30851671680 is 175646.4394173705
• The cube root of 30851671680 is 3136.3623635487

Scales and comparisons

• 30,851,671,680 seconds is equal to 980 years, 51 weeks, 2 days, 12 hours, 48 minutes.
• To count from 1 to 30,851,671,680 would take you about one thousand, nine hundred sixty-one 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 30851671680 cubic inches would be around 261.4 feet tall.

Recreational maths with 30851671680

• 30851671680 backwards is 08617615803
• 30851671680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30851671680's digits is 45
• More coming soon!