21628044009
21,628,044,009 is an odd composite number composed of six prime numbers multiplied together.
21628044009 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21628044009:
34 × 11 × 13 × 29 × 312 × 67
(3 × 3 × 3 × 3 × 11 × 13 × 29 × 31 × 31 × 67)See below for interesting mathematical facts about the number 21628044009 from the Numbermatics database.
Names of 21628044009
- Cardinal: 21628044009 can be written as Twenty-one billion, six hundred twenty-eight million, forty-four thousand and nine.
Scientific notation
- Scientific notation: 2.1628044009 × 1010
Factors of 21628044009
Divisors of 21628044009
- Number of divisors d(n): 240
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Complete list of divisors:
1 3 9 11 13 27 29 31 33 39 67 81 87 93 99 117 143 201 261 279 297 319 341 351 377 403 429 603 737 783 837 871 891 899 957 961 1023 1053 1131 1209 1287 1809 1943 2077 2211 2349 2511 2613 2697 2871 2883 3069 3393 3627 3861 4147 4433 5427 5829 6231 6633 7839 8091 8613 8649 9207 9581 9889 10179 10571 10881 11583 11687 12441 12493 13299 17487 18693 19899 21373 22847 23517 24273 25259 25839 25947 27001 27621 27869 28743 29667 30537 31713 32643 35061 37323 37479 39897 52461 56079 59697 60233 64119 64387 68541 70551 72819 75777 77841 81003 83607 86229 89001 95139 105183 111969 112437 119691 128557 137423 157383 168237 180699 192357 193161 205623 227331 243009 250821 258687 267003 277849 285417 297011 306559 315549 335907 337311 359073 362297 385671 412269 542097 577071 579483 616869 662563 681993 708257 729027 752463 776061 783029 801009 833547 837031 856251 891033 919677 946647 1011933 1086891 1157013 1236807 1626291 1731213 1738449 1850607 1867223 1987689 2045979 2124771 2187081 2257389 2349087 2500641 2511093 2673099 2759031 3260673 3471039 3710421 3985267 4878873 5215347 5601669 5963067 6374313 7047261 7501923 7533279 8019297 8277093 8613319 9207341 9782019 10413117 11131263 11955801 16805007 17889201 19122939 20539453 21141783 22505769 22599837 24057891 24273899 24831279 25839957 27622023 29346057 35867403 50415021 53667603 57368817 61618359 63425349 67799511 72821697 77519871 82866069 107602209 151245063 184855077 218465091 232559613 248598207 267012889 322806627 554565231 655395273 697678839 745794621 801038667 1663695693 1966185819 2403116001 7209348003 21628044009
- Sum of all divisors σ(n): 41178836160
- Sum of proper divisors (its aliquot sum) s(n): 19550792151
- 21628044009 is a deficient number, because the sum of its proper divisors (19550792151) is less than itself. Its deficiency is 2077251858
Bases of 21628044009
- Binary: 101000010010010000111000010111010012
- Hexadecimal: 0x50921C2E9
- Base-36: 9XOS1K9
Squares and roots of 21628044009
- 21628044009 squared (216280440092) is 467772287655240792081
- 21628044009 cubed (216280440093) is 10116999623598155270619886692729
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The
square root of 21628044009 is 147064.7612754325 -
The
cube root of 21628044009 is 2786.1580452183
Scales and comparisons
How big is 21628044009?- 21,628,044,009 seconds is equal to 687 years, 36 weeks, 4 days, 14 hours, 9 seconds.
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To count from 1 to 21,628,044,009 would take you about one thousand, three hundred seventy-five 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 21628044009 cubic inches would be around 232.2 feet tall.
Recreational maths with 21628044009
- 21628044009 backwards is 90044082612
- The number of decimal digits it has is: 11
- The sum of 21628044009's digits is 36
- More coming soon!
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