20436656640

Names of 20436656640

• Cardinal: 20436656640 can be written as Twenty billion, four hundred thirty-six million, six hundred fifty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.043665664 × 10¹⁰

Factors of 20436656640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1634

Divisors of 20436656640

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 60 64 80 82 96 120 123 128 160 164 192 205 240 246 256 320 328 384 410 480 492 512 615 640 656 768 820 960 984 1230 1280 1312 1536 1583 1640 1681 1920 1968 2460 2560 2624 3166 3280 3362 3840 3936 4749 4920 5043 5248 6332 6560 6724 7680 7872 7915 8405 9498 9840 10086 10496 12664 13120 13448 15744 15830 16810 18996 19680 20172 20992 23745 25215 25328 26240 26896 31488 31660 33620 37992 39360 40344 47490 50430 50656 52480 53792 62976 63320 64903 67240 75984 78720 80688 94980 100860 101312 104960 107584 126640 129806 134480 151968 157440 161376 189960 194709 201720 202624 215168 253280 259612 268960 303936 314880 322752 324515 379920 389418 403440 405248 430336 506560 519224 537920 607872 645504 649030 759840 778836 806880 810496 860672 973545 1013120 1038448 1075840 1215744 1291008 1298060 1519680 1557672 1613760 1947090 2026240 2076896 2151680 2431488 2582016 2596120 2661023 3039360 3115344 3227520 3894180 4052480 4153792 4303360 5192240 5322046 6078720 6230688 6455040 7788360 7983069 8307584 10384480 10644092 12157440 12461376 12910080 13305115 15576720 15966138 16615168 20768960 21288184 24922752 26610230 31153440 31932276 33230336 39915345 41537920 42576368 49845504 53220460 62306880 63864552 79830690 83075840 85152736 99691008 106440920 124613760 127729104 159661380 166151680 170305472 212881840 249227520 255458208 319322760 340610944 425763680 498455040 510916416 638645520 681221888 851527360 1021832832 1277291040 1362443776 1703054720 2043665664 2554582080 3406109440 4087331328 5109164160 6812218880 10218328320 20436656640
• Sum of all divisors σ(n): 67008104064
• Sum of proper divisors (its aliquot sum) s(n): 46571447424
• 20436656640 is an abundant number, because the sum of its proper divisors (46571447424) is greater than itself. Its abundance is 26134790784

Bases of 20436656640

• Binary: 10011000010000111101010001000000000₂
• Hexadecimal: 0x4C21EA200
• Base-36: 9DZGH6O

Squares and roots of 20436656640

• 20436656640 squared (20436656640²) is 417656934621256089600
• 20436656640 cubed (20436656640³) is 8535511366169539148664274944000
• The square root of 20436656640 is 142956.8348838207
• The cube root of 20436656640 is 2734.0300446193

Scales and comparisons

• 20,436,656,640 seconds is equal to 649 years, 42 weeks, 5 days, 9 hours, 4 minutes.
• To count from 1 to 20,436,656,640 would take you about one thousand, two hundred ninety-nine 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 20436656640 cubic inches would be around 227.8 feet tall.

Recreational maths with 20436656640

• 20436656640 backwards is 04665663402
• The number of decimal digits it has is: 11
• The sum of 20436656640's digits is 42
• More coming soon!