21452682240

Names of 21452682240

• Cardinal: 21452682240 can be written as Twenty-one billion, four hundred fifty-two million, six hundred eighty-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.145268224 × 10¹⁰

Factors of 21452682240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 42344

Divisors of 21452682240

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 128 132 144 160 165 176 180 192 198 220 240 256 264 288 320 330 352 360 384 396 440 480 495 512 528 576 640 660 704 720 768 792 880 960 990 1024 1056 1152 1280 1320 1408 1440 1536 1584 1760 1920 1980 2112 2304 2560 2640 2816 2880 3072 3168 3520 3840 3960 4224 4608 5120 5280 5632 5760 6336 7040 7680 7920 8448 9216 10560 11264 11520 12672 14080 15360 15840 16896 21120 23040 25344 28160 31680 33792 42240 42323 46080 50688 56320 63360 84480 84646 101376 126720 126969 168960 169292 211615 253440 253938 338584 380907 423230 465553 506880 507876 634845 677168 761814 846460 931106 1015752 1269690 1354336 1396659 1523628 1692920 1862212 1904535 2031504 2327765 2539380 2708672 2793318 3047256 3385840 3724424 3809070 4063008 4189977 4655530 5078760 5417344 5586636 6094512 6771680 6983295 7448848 7618140 8126016 8379954 9311060 10157520 10834688 11173272 12189024 13543360 13966590 14897696 15236280 16252032 16759908 18622120 20315040 20949885 21669376 22346544 24378048 27086720 27933180 29795392 30472560 32504064 33519816 37244240 40630080 41899770 43338752 44693088 48756096 54173440 55866360 59590784 60945120 65008128 67039632 74488480 81260160 83799540 89386176 97512192 108346880 111732720 119181568 121890240 130016256 134079264 148976960 162520320 167599080 178772352 195024384 216693760 223465440 238363136 243780480 268158528 297953920 325040640 335198160 357544704 390048768 446930880 476726272 487560960 536317056 595907840 650081280 670396320 715089408 893861760 975121920 1072634112 1191815680 1340792640 1430178816 1787723520 1950243840 2145268224 2383631360 2681585280 3575447040 4290536448 5363170560 7150894080 10726341120 21452682240
• Sum of all divisors σ(n): 81092445408
• Sum of proper divisors (its aliquot sum) s(n): 59639763168
• 21452682240 is an abundant number, because the sum of its proper divisors (59639763168) is greater than itself. Its abundance is 38187080928

Bases of 21452682240

• Binary: 10011111110101011011111010000000000₂
• Hexadecimal: 0x4FEADF400
• Base-36: 9USDFK0

Squares and roots of 21452682240

• 21452682240 squared (21452682240²) is 460217575290411417600
• 21452682240 cubed (21452682240³) is 9872901403968471860640743424000
• The square root of 21452682240 is 146467.3418889003
• The cube root of 21452682240 is 2778.6074767713

Scales and comparisons

• 21,452,682,240 seconds is equal to 682 years, 6 weeks, 4 days, 22 hours, 24 minutes.
• To count from 1 to 21,452,682,240 would take you about one thousand, three hundred sixty-four 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 21452682240 cubic inches would be around 231.6 feet tall.

Recreational maths with 21452682240

• 21452682240 backwards is 04228625412
• 21452682240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21452682240's digits is 36
• More coming soon!