19994163840

Names of 19994163840

• Cardinal: 19994163840 can be written as Nineteen billion, nine hundred ninety-four million, one hundred sixty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.999416384 × 10¹⁰

Factors of 19994163840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 70858

Divisors of 19994163840

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 49 56 60 63 64 70 72 80 84 90 96 98 105 112 120 126 128 140 144 147 160 168 180 192 196 210 224 240 245 252 280 288 294 315 320 336 360 384 392 420 441 448 480 490 504 560 576 588 630 640 672 720 735 784 840 882 896 960 980 1008 1120 1152 1176 1260 1344 1440 1470 1568 1680 1764 1920 1960 2016 2205 2240 2352 2520 2688 2880 2940 3136 3360 3528 3920 4032 4410 4480 4704 5040 5760 5880 6272 6720 7056 7840 8064 8820 9408 10080 11760 13440 14112 15680 17640 18816 20160 23520 28224 31360 35280 40320 47040 56448 70560 70841 94080 141120 141682 212523 282240 283364 354205 425046 495887 566728 637569 708410 850092 991774 1062615 1133456 1275138 1416820 1487661 1700184 1983548 2125230 2266912 2479435 2550276 2833640 2975322 3187845 3400368 3471209 3967096 4250460 4462983 4533824 4958870 5100552 5667280 5950644 6375690 6800736 6942418 7438305 7934192 8500920 8925966 9067648 9917740 10201104 10413627 11334560 11901288 12751380 13601472 13884836 14876610 15868384 17001840 17356045 17851932 19835480 20402208 20827254 22314915 22669120 23802576 25502760 27202944 27769672 29753220 31240881 31736768 34003680 34712090 35703864 39670960 40804416 41654508 44629830 45338240 47605152 51005520 52068135 55539344 59506440 62481762 63473536 68007360 69424180 71407728 79341920 81608832 83309016 89259660 95210304 102011040 104136270 111078688 119012880 124963524 136014720 138848360 142815456 156204405 158683840 166618032 178519320 190420608 204022080 208272540 222157376 238025760 249927048 277696720 285630912 312408810 317367680 333236064 357038640 408044160 416545080 444314752 476051520 499854096 555393440 571261824 624817620 666472128 714077280 833090160 952103040 999708192 1110786880 1249635240 1332944256 1428154560 1666180320 1999416384 2221573760 2499270480 2856309120 3332360640 3998832768 4998540960 6664721280 9997081920 19994163840
• Sum of all divisors σ(n): 80315700660
• Sum of proper divisors (its aliquot sum) s(n): 60321536820
• 19994163840 is an abundant number, because the sum of its proper divisors (60321536820) is greater than itself. Its abundance is 40327372980

Bases of 19994163840

• Binary: 10010100111101111101011101010000000₂
• Hexadecimal: 0x4A7BEBA80
• Base-36: 96O0BK0

Squares and roots of 19994163840

• 19994163840 squared (19994163840²) is 399766587660763545600
• 19994163840 cubed (19994163840³) is 7992998651447028670225711104000
• The square root of 19994163840 is 141400.7207902421
• The cube root of 19994163840 is 2714.1535613169

Scales and comparisons

• 19,994,163,840 seconds is equal to 635 years, 39 weeks, 22 hours, 24 minutes.
• To count from 1 to 19,994,163,840 would take you about one thousand, two hundred seventy-one 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 19994163840 cubic inches would be around 226.2 feet tall.

Recreational maths with 19994163840

• 19994163840 backwards is 04836149991
• The number of decimal digits it has is: 11
• The sum of 19994163840's digits is 54
• More coming soon!