21455170704
21,455,170,704 is an even composite number composed of six prime numbers multiplied together.
21455170704 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21455170704:
24 × 33 × 11 × 73 × 127 × 487
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 11 × 73 × 127 × 487)See below for interesting mathematical facts about the number 21455170704 from the Numbermatics database.
Names of 21455170704
- Cardinal: 21455170704 can be written as Twenty-one billion, four hundred fifty-five million, one hundred seventy thousand, seven hundred four.
Scientific notation
- Scientific notation: 2.1455170704 × 1010
Factors of 21455170704
Divisors of 21455170704
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 73 88 99 108 127 132 144 146 176 198 216 219 254 264 292 297 381 396 432 438 487 508 528 584 594 657 762 792 803 876 974 1016 1143 1168 1188 1314 1397 1461 1524 1584 1606 1752 1948 1971 2032 2286 2376 2409 2628 2794 2922 3048 3212 3429 3504 3896 3942 4191 4383 4572 4752 4818 5256 5357 5588 5844 6096 6424 6858 7227 7792 7884 8382 8766 9144 9271 9636 10512 10714 11176 11688 12573 12848 13149 13716 14454 15768 16071 16764 17532 18288 18542 19272 21428 21681 22352 23376 25146 26298 27432 27813 28908 31536 32142 33528 35064 35551 37084 37719 38544 42856 43362 48213 50292 52596 54864 55626 57816 61849 64284 67056 70128 71102 74168 75438 83439 85712 86724 96426 100584 101981 105192 106653 111252 115632 123698 128568 142204 144639 148336 150876 166878 173448 185547 192852 201168 203962 210384 213306 222504 247396 250317 257136 284408 289278 301752 305943 319959 333756 346896 371094 385704 391061 407924 426612 445008 494792 500634 556641 568816 578556 603504 611886 639918 667512 680339 742188 771408 782122 815848 853224 917829 959877 989584 1001268 1113282 1157112 1173183 1223772 1279836 1335024 1360678 1484376 1564244 1631696 1669923 1706448 1835658 1919754 2002536 2041017 2226564 2314224 2346366 2447544 2559672 2721356 2753487 2968752 3128488 3339846 3519549 3671316 3839508 4005072 4082034 4453128 4514977 4692732 4895088 5119344 5442712 5506974 6123051 6256976 6679692 7039098 7342632 7679016 8164068 8906256 9029954 9385464 10558647 10885424 11013948 12246102 13359384 13544931 14078196 14685264 15358032 16328136 18059908 18369153 18770928 21117294 22027896 24492204 26718768 27089862 28156392 32656272 36119816 36738306 40634793 42234588 44055792 48984408 49664747 54179724 56312784 72239632 73476612 81269586 84469176 97968816 99329494 108359448 121904379 146953224 148994241 162539172 168938352 198658988 216718896 243808758 293906448 297988482 325078344 397317976 446982723 487617516 595976964 650156688 794635952 893965446 975235032 1191953928 1340948169 1787930892 1950470064 2383907856 2681896338 3575861784 5363792676 7151723568 10727585352 21455170704
- Sum of all divisors σ(n): 68780359680
- Sum of proper divisors (its aliquot sum) s(n): 47325188976
- 21455170704 is an abundant number, because the sum of its proper divisors (47325188976) is greater than itself. Its abundance is 25870018272
Bases of 21455170704
- Binary: 100111111101101001111101100100100002
- Hexadecimal: 0x4FED3EC90
- Base-36: 9UTURO0
Squares and roots of 21455170704
- 21455170704 squared (214551707042) is 460324349937779855616
- 21455170704 cubed (214551707043) is 9876337507122898581013753073664
-
The
square root of 21455170704 is 146475.8365874727 -
The
cube root of 21455170704 is 2778.7149100711
Scales and comparisons
How big is 21455170704?- 21,455,170,704 seconds is equal to 682 years, 10 weeks, 5 days, 17 hours, 38 minutes, 24 seconds.
-
To count from 1 to 21,455,170,704 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 21455170704 cubic inches would be around 231.6 feet tall.
Recreational maths with 21455170704
- 21455170704 backwards is 40707155412
- 21455170704 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21455170704's digits is 36
- More coming soon!
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