6400419840

Names of 6400419840

• Cardinal: 6400419840 can be written as Six billion, four hundred million, four hundred nineteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.40041984 × 10⁹

Factors of 6400419840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1924

Divisors of 6400419840

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 37 40 45 48 60 64 72 74 80 90 96 111 120 128 144 148 160 180 185 192 222 240 256 288 296 320 333 360 370 384 444 480 512 555 576 592 640 666 720 740 768 888 960 1024 1110 1152 1184 1280 1332 1440 1480 1536 1665 1776 1877 1920 2048 2220 2304 2368 2560 2664 2880 2960 3072 3330 3552 3754 3840 4440 4608 4736 5120 5328 5631 5760 5920 6144 6660 7104 7508 7680 8880 9216 9385 9472 10240 10656 11262 11520 11840 13320 14208 15016 15360 16893 17760 18432 18770 18944 21312 22524 23040 23680 26640 28155 28416 30032 30720 33786 35520 37540 37888 42624 45048 46080 47360 53280 56310 56832 60064 67572 69449 71040 75080 75776 84465 85248 90096 92160 94720 106560 112620 113664 120128 135144 138898 142080 150160 168930 170496 180192 189440 208347 213120 225240 227328 240256 270288 277796 284160 300320 337860 340992 347245 360384 378880 416694 426240 450480 480512 540576 555592 568320 600640 625041 675720 681984 694490 720768 833388 852480 900960 961024 1041735 1081152 1111184 1136640 1201280 1250082 1351440 1388980 1441536 1666776 1704960 1801920 1922048 2083470 2162304 2222368 2402560 2500164 2702880 2777960 2883072 3125205 3333552 3409920 3603840 3844096 4166940 4324608 4444736 4805120 5000328 5405760 5555920 5766144 6250410 6667104 7207680 8333880 8649216 8889472 9610240 10000656 10811520 11111840 11532288 12500820 13334208 14415360 16667760 17298432 17778944 19220480 20001312 21623040 22223680 25001640 26668416 28830720 33335520 34596864 35557888 40002624 43246080 44447360 50003280 53336832 57661440 66671040 71115776 80005248 86492160 88894720 100006560 106673664 133342080 142231552 160010496 172984320 177789440 200013120 213347328 266684160 320020992 355578880 400026240 426694656 533368320 640041984 711157760 800052480 1066736640 1280083968 1600104960 2133473280 3200209920 6400419840
• Sum of all divisors σ(n): 22794375240
• Sum of proper divisors (its aliquot sum) s(n): 16393955400
• 6400419840 is an abundant number, because the sum of its proper divisors (16393955400) is greater than itself. Its abundance is 9993535560

Bases of 6400419840

• Binary: 101111101011111101010100000000000₂
• Hexadecimal: 0x17D7EA800
• Base-36: 2XUN7K0

Squares and roots of 6400419840

• 6400419840 squared (6400419840²) is 40965374128265625600
• 6400419840 cubed (6400419840³) is 262195593323574014880251904000
• The square root of 6400419840 is 80002.6239569679
• The cube root of 6400419840 is 1856.6761309879

Scales and comparisons

• 6,400,419,840 seconds is equal to 203 years, 26 weeks, 4 days, 22 hours, 24 minutes.
• To count from 1 to 6,400,419,840 would take you about four hundred seven 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 6400419840 cubic inches would be around 154.7 feet tall.

Recreational maths with 6400419840

• 6400419840 backwards is 0489140046
• 6400419840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6400419840's digits is 36
• More coming soon!