21443953888

Names of 21443953888

• Cardinal: 21443953888 can be written as Twenty-one billion, four hundred forty-three million, nine hundred fifty-three thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1443953888 × 10¹⁰

Factors of 21443953888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 166

Divisors of 21443953888

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 31 32 38 49 56 62 76 98 107 112 124 133 152 196 214 217 224 248 266 304 343 392 428 434 496 532 589 608 686 749 784 856 868 931 961 992 1064 1178 1372 1498 1519 1568 1712 1736 1862 1922 2033 2128 2356 2744 2996 3038 3317 3424 3472 3724 3844 4066 4123 4256 4712 5243 5488 5992 6076 6517 6634 6727 6944 7448 7688 8132 8246 9424 10486 10633 10976 11984 12152 13034 13268 13454 14231 14896 15376 16264 16492 18259 18848 20972 21266 23219 23968 24304 26068 26536 26908 28462 28861 29792 30752 32528 32984 36518 36701 41944 42532 46438 47089 48608 52136 53072 53816 56924 57722 63023 65056 65968 73036 73402 83888 85064 92876 94178 99617 102827 104272 106144 107632 113848 115444 126046 127813 131936 146072 146804 162533 167776 170128 185752 188356 199234 202027 205654 208544 215264 227696 230888 252092 255626 292144 293608 325066 329623 340256 371504 376712 398468 404054 411308 441161 455392 461776 504184 511252 584288 587216 650132 659246 697319 719789 743008 753424 796936 808108 822616 882322 894691 923552 1008368 1022504 1137731 1174432 1300264 1318492 1394638 1439578 1506848 1593872 1616216 1645232 1764644 1789382 1953713 2016736 2045008 2275462 2600528 2636984 2789276 2879156 3088127 3187744 3232432 3290464 3529288 3578764 3907426 4090016 4550924 5038523 5201056 5273968 5578552 5758312 6176254 6262837 6464864 7058576 7157528 7814852 9101848 10077046 10547936 11157104 11516624 12352508 12525674 13675991 14117152 14315056 15629704 18203696 20154092 21616889 22314208 23033248 24705016 25051348 27351982 28630112 31259408 35269661 36407392 40308184 43233778 49410032 50102696 54703964 62518816 70539322 80616368 86467556 95731937 98820064 100205392 109407928 141078644 161232736 172935112 191463874 200410784 218815856 282157288 345870224 382927748 437631712 564314576 670123559 691740448 765855496 1128629152 1340247118 1531710992 2680494236 3063421984 5360988472 10721976944 21443953888
• Sum of all divisors σ(n): 54050976000
• Sum of proper divisors (its aliquot sum) s(n): 32607022112
• 21443953888 is an abundant number, because the sum of its proper divisors (32607022112) is greater than itself. Its abundance is 11163068224

Bases of 21443953888

• Binary: 10011111110001010001100010011100000₂
• Hexadecimal: 0x4FE28C4E0
• Base-36: 9UN6CPS

Squares and roots of 21443953888

• 21443953888 squared (21443953888²) is 459843158350670316544
• 21443953888 cubed (21443953888³) is 9860855483384056401859899523072
• The square root of 21443953888 is 146437.5426180049
• The cube root of 21443953888 is 2778.2305859967

Scales and comparisons

• 21,443,953,888 seconds is equal to 681 years, 44 weeks, 1 day, 21 hours, 51 minutes, 28 seconds.
• To count from 1 to 21,443,953,888 would take you about one thousand, three hundred sixty-three 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 21443953888 cubic inches would be around 231.5 feet tall.

Recreational maths with 21443953888

• 21443953888 backwards is 88835934412
• The number of decimal digits it has is: 11
• The sum of 21443953888's digits is 55
• More coming soon!