21298342400

Names of 21298342400

• Cardinal: 21298342400 can be written as Twenty-one billion, two hundred ninety-eight million, three hundred forty-two thousand, four hundred.

Scientific notation

• Scientific notation: 2.12983424 × 10¹⁰

Factors of 21298342400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 534

Divisors of 21298342400

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 29 32 40 50 58 64 80 100 116 128 145 160 181 200 232 256 290 317 320 362 400 464 512 580 634 640 724 725 800 905 928 1160 1268 1280 1448 1450 1585 1600 1810 1856 2320 2536 2560 2896 2900 3170 3200 3620 3712 4525 4640 5072 5249 5792 5800 6340 6400 7240 7424 7925 9050 9193 9280 10144 10498 11584 11600 12680 12800 14480 14848 15850 18100 18386 18560 20288 20996 23168 23200 25360 26245 28960 31700 36200 36772 37120 40576 41992 45965 46336 46400 50720 52490 57377 57920 63400 72400 73544 74240 81152 83984 91930 92672 92800 101440 104980 114754 115840 126800 131225 144800 147088 162304 167968 183860 185600 202880 209960 229508 229825 231680 253600 262450 286885 289600 294176 335936 367720 371200 405760 419920 459016 459650 463360 507200 524900 573770 579200 588352 671872 735440 811520 839840 918032 919300 1014400 1049800 1147540 1158400 1176704 1343744 1434425 1470880 1663933 1679680 1836064 1838600 2028800 2099600 2295080 2316800 2353408 2687488 2868850 2941760 3327866 3359360 3672128 3677200 4057600 4199200 4590160 4706816 5737700 5883520 6655732 6718720 7344256 7354400 8319665 8398400 9180320 11475400 11767040 13311464 13437440 14688512 14708800 16639330 16796800 18360640 22950800 23534080 26622928 29377024 29417600 33278660 33593600 36721280 41598325 45901600 53245856 58835200 66557320 67187200 73442560 83196650 91803200 106491712 117670400 133114640 146885120 166393300 183606400 212983424 266229280 332786600 367212800 425966848 532458560 665573200 734425600 851933696 1064917120 1331146400 2129834240 2662292800 4259668480 5324585600 10649171200 21298342400
• Sum of all divisors σ(n): 55062647640
• Sum of proper divisors (its aliquot sum) s(n): 33764305240
• 21298342400 is an abundant number, because the sum of its proper divisors (33764305240) is greater than itself. Its abundance is 12465962840

Bases of 21298342400

• Binary: 10011110101011110101110101000000000₂
• Hexadecimal: 0x4F57AEA00
• Base-36: 9S8HE68

Squares and roots of 21298342400

• 21298342400 squared (21298342400²) is 453619388987637760000
• 21298342400 cubed (21298342400³) is 9661341065937498379649024000000
• The square root of 21298342400 is 145939.5162387487
• The cube root of 21298342400 is 2771.9279327325

Scales and comparisons

• 21,298,342,400 seconds is equal to 677 years, 11 weeks, 3 days, 14 hours, 13 minutes, 20 seconds.
• To count from 1 to 21,298,342,400 would take you about one thousand, three hundred fifty-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 21298342400 cubic inches would be around 231 feet tall.

Recreational maths with 21298342400

• 21298342400 backwards is 00424389212
• The number of decimal digits it has is: 11
• The sum of 21298342400's digits is 35
• More coming soon!