19801664400

Names of 19801664400

• Cardinal: 19801664400 can be written as Nineteen billion, eight hundred one million, six hundred sixty-four thousand, four hundred.

Scientific notation

• Scientific notation: 1.98016644 × 10¹⁰

Factors of 19801664400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 48126

Divisors of 19801664400

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 49 50 56 60 70 75 80 84 98 100 105 112 120 140 147 150 168 175 196 200 210 240 245 280 294 300 336 343 350 392 400 420 490 525 560 588 600 686 700 735 784 840 980 1029 1050 1176 1200 1225 1372 1400 1470 1680 1715 1960 2058 2100 2352 2450 2744 2800 2940 3430 3675 3920 4116 4200 4900 5145 5488 5880 6860 7350 8232 8400 8575 9800 10290 11760 13720 14700 16464 17150 19600 20580 25725 27440 29400 34300 41160 48109 51450 58800 68600 82320 96218 102900 137200 144327 192436 205800 240545 288654 336763 384872 411600 481090 577308 673526 721635 769744 962180 1010289 1154616 1202725 1347052 1443270 1683815 1924360 2020578 2309232 2357341 2405450 2694104 2886540 3367630 3608175 3848720 4041156 4714682 4810900 5051445 5388208 5773080 6735260 7072023 7216350 8082312 8419075 9429364 9621800 10102890 11546160 11786705 13470520 14144046 14432700 16164624 16501387 16838150 18858728 19243600 20205780 23573410 25257225 26941040 28288092 28865400 33002774 33676300 35360115 37717456 40411560 47146820 49504161 50514450 56576184 57730800 58933525 66005548 67352600 70720230 80823120 82506935 94293640 99008322 101028900 113152368 117867050 132011096 134705200 141440460 165013870 176800575 188587280 198016644 202057800 235734100 247520805 264022192 282880920 330027740 353601150 396033288 404115600 412534675 471468200 495041610 565761840 660055480 707202300 792066576 825069350 942936400 990083220 1237604025 1320110960 1414404600 1650138700 1980166440 2475208050 2828809200 3300277400 3960332880 4950416100 6600554800 9900832200 19801664400
• Sum of all divisors σ(n): 73973936000
• Sum of proper divisors (its aliquot sum) s(n): 54172271600
• 19801664400 is an abundant number, because the sum of its proper divisors (54172271600) is greater than itself. Its abundance is 34370607200

Bases of 19801664400

• Binary: 10010011100010001010110101110010000₂
• Hexadecimal: 0x49C456B90
• Base-36: 93HEE1C

Squares and roots of 19801664400

• 19801664400 squared (19801664400²) is 392105913010227360000
• 19801664400 cubed (19801664400³) is 7764349698684115950417984000000
• The square root of 19801664400 is 140718.3868582925
• The cube root of 19801664400 is 2705.4150310233

Scales and comparisons

• 19,801,664,400 seconds is equal to 629 years, 32 weeks, 5 days, 22 hours, 20 minutes.
• To count from 1 to 19,801,664,400 would take you about one thousand, two hundred fifty-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 19801664400 cubic inches would be around 225.5 feet tall.

Recreational maths with 19801664400

• 19801664400 backwards is 00446610891
• The number of decimal digits it has is: 11
• The sum of 19801664400's digits is 39
• More coming soon!