19981089072

Names of 19981089072

• Cardinal: 19981089072 can be written as Nineteen billion, nine hundred eighty-one million, eighty-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 1.9981089072 × 10¹⁰

Factors of 19981089072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 14995

Divisors of 19981089072

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 81 84 98 108 112 126 144 147 162 168 189 196 216 243 252 294 324 336 343 378 392 432 441 486 504 567 588 648 686 756 784 882 972 1008 1029 1134 1176 1296 1323 1372 1512 1701 1764 1944 2058 2268 2352 2646 2744 3024 3087 3402 3528 3888 3969 4116 4536 5292 5488 6174 6804 7056 7938 8232 9072 9261 10584 11907 12348 13608 14983 15876 16464 18522 21168 23814 24696 27216 27783 29966 31752 37044 44949 47628 49392 55566 59932 63504 74088 83349 89898 95256 104881 111132 119864 134847 148176 166698 179796 190512 209762 222264 239728 269694 314643 333396 359592 404541 419524 444528 539388 629286 666792 719184 734167 809082 839048 943929 1078776 1213623 1258572 1333584 1468334 1618164 1678096 1887858 2157552 2202501 2427246 2517144 2831787 2936668 3236328 3640869 3775716 4405002 4854492 5034288 5139169 5663574 5873336 6472656 6607503 7281738 7551432 8495361 8810004 9708984 10278338 11327148 11746672 13215006 14563476 15102864 15417507 16990722 17620008 19417968 19822509 20556676 22654296 25486083 26430012 29126952 30835014 33981444 35240016 39645018 41113352 45308592 46252521 50972166 52860024 58253904 59467527 61670028 67962888 79290036 82226704 92505042 101944332 105720048 118935054 123340056 135925776 138757563 158580072 178402581 185010084 203888664 237870108 246680112 277515126 317160144 356805162 370020168 407777328 416272689 475740216 555030252 713610324 740040336 832545378 951480432 1110060504 1248818067 1427220648 1665090756 2220121008 2497636134 2854441296 3330181512 4995272268 6660363024 9990544536 19981089072
• Sum of all divisors σ(n): 67631782400
• Sum of proper divisors (its aliquot sum) s(n): 47650693328
• 19981089072 is an abundant number, because the sum of its proper divisors (47650693328) is greater than itself. Its abundance is 27669604256

Bases of 19981089072

• Binary: 10010100110111101110011100100110000₂
• Hexadecimal: 0x4A6F73930
• Base-36: 96G8300

Squares and roots of 19981089072

• 19981089072 squared (19981089072²) is 399243920503197821184
• 19981089072 cubed (19981089072³) is 7977328337028882725913832501248
• The square root of 19981089072 is 141354.4801978345
• The cube root of 19981089072 is 2713.5618108683

Scales and comparisons

• 19,981,089,072 seconds is equal to 635 years, 17 weeks, 3 days, 14 hours, 31 minutes, 12 seconds.
• To count from 1 to 19,981,089,072 would take you about one thousand, two hundred seventy 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 19981089072 cubic inches would be around 226.1 feet tall.

Recreational maths with 19981089072

• 19981089072 backwards is 27098018991
• 19981089072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19981089072's digits is 54
• More coming soon!