20421133425

Names of 20421133425

• Cardinal: 20421133425 can be written as Twenty billion, four hundred twenty-one million, one hundred thirty-three thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 2.0421133425 × 10¹⁰

Factors of 20421133425

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 104

Divisors of 20421133425

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 9 11 15 21 25 27 33 35 37 41 45 49 55 63 75 77 99 105 111 123 135 147 165 175 185 189 205 225 231 245 259 275 287 297 315 333 369 385 407 441 451 495 525 539 555 615 675 693 735 777 825 861 925 945 999 1025 1107 1155 1221 1225 1295 1323 1353 1369 1435 1485 1517 1575 1617 1665 1813 1845 1925 2009 2035 2079 2205 2255 2331 2475 2583 2695 2775 2849 3075 3157 3465 3663 3675 3885 4059 4107 4305 4551 4725 4851 4995 5439 5535 5775 6027 6105 6475 6615 6765 6845 6993 7175 7425 7585 7749 8085 8325 8547 9065 9225 9471 9583 10045 10175 10395 10619 10989 11025 11275 11655 12177 12321 12915 13475 13653 14245 14553 15059 15785 16317 16687 17325 18081 18315 19425 19943 20295 20535 21525 22099 22755 24255 24975 25641 27195 27675 28413 28749 30135 30525 31857 33075 33825 34225 34965 36963 37925 38745 40425 40959 42735 45177 45325 47355 47915 48951 50061 50225 51975 53095 54243 54945 56129 58275 59829 60885 61605 64575 66297 67081 68265 71225 72765 74333 75295 76923 78925 81585 83435 85239 86247 90405 91575 95571 99715 101475 102675 105413 110495 113775 116809 121275 128205 135531 135975 142065 143745 150183 150675 159285 168387 174825 179487 184815 193725 198891 201243 204795 213675 222999 225885 236775 239575 244755 250305 258741 265475 271215 274725 280645 286713 299145 304425 308025 316239 331485 335405 341325 350427 363825 371665 376475 384615 392903 406593 407925 417175 426195 431235 450549 452025 477855 498575 505161 527065 538461 552475 584045 596673 603729 617419 641025 668997 677655 710325 718725 737891 750915 796425 817663 841935 897435 924075 948717 994455 1006215 1023975 1051281 1114995 1129425 1178709 1223775 1251525 1293705 1356075 1403225 1433565 1495725 1515483 1581195 1657425 1677025 1752135 1811187 1852257 1858325 1923075 1964515 2006991 2032965 2130975 2156175 2213673 2252745 2389275 2452989 2525805 2635325 2692305 2750321 2846151 2920225 2983365 3018645 3087095 3153843 3344985 3388275 3536127 3689455 3754575 4088315 4209675 4321933 4487175 4743585 4972275 5031075 5256405 5556771 5574975 5893545 6468525 6641019 7167825 7358967 7577415 7905975 8250963 8760675 9055935 9261285 9822575 10034955 10164825 10608381 11068365 11263725 12264945 12629025 12965799 13461525 13751605 14230755 14916825 15093225 15435475 15769215 16670313 16724925 17680635 18447275 19923057 20441575 21609665 22076901 23717925 24752889 26282025 27783855 29467725 30253531 33205095 36794835 37887075 38897397 41254815 45279675 46306425 50174775 53041905 55341825 61324725 64828995 68758025 71153775 74258667 78846075 83351565 88403175 90760593 99615285 108048325 110384505 116692191 123764445 138919275 151267655 166025475 183974175 194486985 206274075 265209525 272281779 324144975 371293335 416757825 453802965 498076425 551922525 583460955 618822225 756338275 816845337 972434925 1361408895 1856466675 2269014825 2917304775 4084226685 6807044475 20421133425
• Sum of all divisors σ(n): 50121167040
• Sum of proper divisors (its aliquot sum) s(n): 29700033615
• 20421133425 is an abundant number, because the sum of its proper divisors (29700033615) is greater than itself. Its abundance is 9278900190

Bases of 20421133425

• Binary: 10011000001001100011100010001110001₂
• Hexadecimal: 0x4C131C471
• Base-36: 9DQ7RE9

Squares and roots of 20421133425

• 20421133425 squared (20421133425²) is 417022690361652230625
• 20421133425 cubed (20421133425³) is 8516076001127761705041996140625
• The square root of 20421133425 is 142902.5312057141
• The cube root of 20421133425 is 2733.3376338009

Scales and comparisons

• 20,421,133,425 seconds is equal to 649 years, 17 weeks, 17 hours, 3 minutes, 45 seconds.
• To count from 1 to 20,421,133,425 would take you about one thousand, two hundred ninety-eight 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 20421133425 cubic inches would be around 227.8 feet tall.

Recreational maths with 20421133425

• 20421133425 backwards is 52433112402
• 20421133425 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20421133425's digits is 27
• More coming soon!