30644538840

Names of 30644538840

• Cardinal: 30644538840 can be written as Thirty billion, six hundred forty-four million, five hundred thirty-eight thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.064453884 × 10¹⁰

Factors of 30644538840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9458201

Divisors of 30644538840

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 1080 1620 3240 9458191 18916382 28374573 37832764 47290955 56749146 75665528 85123719 94581910 113498292 141872865 170247438 189163820 226996584 255371157 283745730 340494876 378327640 425618595 510742314 567491460 680989752 766113471 851237190 1021484628 1134982920 1276855785 1532226942 1702474380 2042969256 2553711570 3064453884 3404948760 3830567355 5107423140 6128907768 7661134710 10214846280 15322269420 30644538840
• Sum of all divisors σ(n): 102999710880
• Sum of proper divisors (its aliquot sum) s(n): 72355172040
• 30644538840 is an abundant number, because the sum of its proper divisors (72355172040) is greater than itself. Its abundance is 41710633200

Bases of 30644538840

• Binary: 11100100010100011101000110111011000₂
• Hexadecimal: 0x7228E8DD8
• Base-36: E2SYTI0

Squares and roots of 30644538840

• 30644538840 squared (30644538840²) is 939087760716268545600
• 30644538840 cubed (30644538840³) is 28777911357438317665509511104000
• The square root of 30644538840 is 175055.8163558127
• The cube root of 30644538840 is 3129.3275966491

Scales and comparisons

• 30,644,538,840 seconds is equal to 974 years, 20 weeks, 6 days, 3 hours, 54 minutes.
• To count from 1 to 30,644,538,840 would take you about one thousand, nine 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 30644538840 cubic inches would be around 260.8 feet tall.

Recreational maths with 30644538840

• 30644538840 backwards is 04883544603
• 30644538840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30644538840's digits is 45
• More coming soon!