21173017320

Names of 21173017320

• Cardinal: 21173017320 can be written as Twenty-one billion, one hundred seventy-three million, seventeen thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.117301732 × 10¹⁰

Factors of 21173017320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 646337

Divisors of 21173017320

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 28 30 35 36 39 40 42 45 52 56 60 63 65 70 72 78 84 90 91 104 105 117 120 126 130 140 156 168 180 182 195 210 234 252 260 273 280 312 315 360 364 390 420 455 468 504 520 546 585 630 728 780 819 840 910 936 1092 1170 1260 1365 1560 1638 1820 2184 2340 2520 2730 3276 3640 4095 4680 5460 6552 8190 10920 16380 32760 646307 1292614 1938921 2585228 3231535 3877842 4524149 5170456 5816763 6463070 7755684 8401991 9048298 9694605 11633526 12926140 13572447 15511368 16803982 18096596 19389210 22620745 23267052 25205973 25852280 27144894 29083815 33607964 36193192 38778420 40717341 42009955 45241490 46534104 50411946 54289788 58167630 58813937 67215928 67862235 75617919 77556840 81434682 84019910 90482980 100823892 108579576 116335260 117627874 126029865 135724470 151235838 162869364 168039820 176441811 180965960 201647784 203586705 232670520 235255748 252059730 271448940 294069685 302471676 325738728 336079640 352883622 378089595 407173410 470511496 504119460 529325433 542897880 588139370 604943352 705767244 756179190 814346820 882209055 1008238920 1058650866 1176278740 1411534488 1512358380 1628693640 1764418110 2117301732 2352557480 2646627165 3024716760 3528836220 4234603464 5293254330 7057672440 10586508660 21173017320
• Sum of all divisors σ(n): 84692200320
• Sum of proper divisors (its aliquot sum) s(n): 63519183000
• 21173017320 is an abundant number, because the sum of its proper divisors (63519183000) is greater than itself. Its abundance is 42346165680

Bases of 21173017320

• Binary: 10011101110000000101001101011101000₂
• Hexadecimal: 0x4EE029AE8
• Base-36: 9Q5V8Q0

Squares and roots of 21173017320

• 21173017320 squared (21173017320²) is 448296662433019982400
• 21173017320 cubed (21173017320³) is 9491792998192525427261295168000
• The square root of 21173017320 is 145509.5093799713
• The cube root of 21173017320 is 2766.4803146043

Scales and comparisons

• 21,173,017,320 seconds is equal to 673 years, 12 weeks, 2 days, 1 hour, 42 minutes.
• To count from 1 to 21,173,017,320 would take you about one thousand, three hundred forty-six 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 21173017320 cubic inches would be around 230.5 feet tall.

Recreational maths with 21173017320

• 21173017320 backwards is 02371037112
• The number of decimal digits it has is: 11
• The sum of 21173017320's digits is 27
• More coming soon!