21318054400

Names of 21318054400

• Cardinal: 21318054400 can be written as Twenty-one billion, three hundred eighteen million, fifty-four thousand, four hundred.

Scientific notation

• Scientific notation: 2.13180544 × 10¹⁰

Factors of 21318054400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 337

Divisors of 21318054400

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 128 136 160 170 200 256 272 313 320 340 400 425 512 544 626 640 680 800 850 1088 1252 1280 1360 1565 1600 1700 2176 2504 2560 2720 3130 3200 3400 4352 5008 5321 5440 6260 6400 6800 7825 8704 10016 10642 10880 12520 12800 13600 15650 20032 21284 21760 25040 26605 27200 31300 40064 42568 43520 50080 53210 54400 62600 80128 85136 97969 100160 106420 108800 125200 133025 160256 170272 195938 200320 212840 217600 250400 266050 340544 391876 400640 425680 489845 500800 532100 681088 783752 801280 851360 979690 1001600 1064200 1362176 1567504 1665473 1702720 1959380 2003200 2128400 2449225 2724352 3135008 3330946 3405440 3918760 4006400 4256800 4898450 6270016 6661892 6810880 7837520 8327365 8513600 9796900 12540032 13323784 13621760 15675040 16654730 17027200 19593800 25080064 26647568 31350080 33309460 34054400 39187600 41636825 50160128 53295136 62700160 66618920 68108800 78375200 83273650 106590272 125400320 133237840 156750400 166547300 213180544 250800640 266475680 313500800 333094600 426361088 532951360 627001600 666189200 852722176 1065902720 1254003200 1332378400 2131805440 2664756800 4263610880 5329513600 10659027200 21318054400
• Sum of all divisors σ(n): 56103278022
• Sum of proper divisors (its aliquot sum) s(n): 34785223622
• 21318054400 is an abundant number, because the sum of its proper divisors (34785223622) is greater than itself. Its abundance is 13467169222

Bases of 21318054400

• Binary: 10011110110101001111011001000000000₂
• Hexadecimal: 0x4F6A7B200
• Base-36: 9SK7W1S

Squares and roots of 21318054400

• 21318054400 squared (21318054400²) is 454459443401359360000
• 21318054400 cubed (21318054400³) is 9688191137023899870429184000000
• The square root of 21318054400 is 146007.0354469263
• The cube root of 21318054400 is 2772.7828254781

Scales and comparisons

• 21,318,054,400 seconds is equal to 677 years, 44 weeks, 17 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,318,054,400 would take you about one thousand, three hundred fifty-five 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 21318054400 cubic inches would be around 231.1 feet tall.

Recreational maths with 21318054400

• 21318054400 backwards is 00445081312
• The number of decimal digits it has is: 11
• The sum of 21318054400's digits is 28
• More coming soon!