18421784073
18,421,784,073 is an odd composite number composed of five prime numbers multiplied together.
What does the number 18421784073 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 168 divisors.
18421784073 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 18421784073:
36 × 72 × 11 × 173 × 271
(3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 11 × 173 × 271)See below for interesting mathematical facts about the number 18421784073 from the Numbermatics database.
Names of 18421784073
- Cardinal: 18421784073 can be written as Eighteen billion, four hundred twenty-one million, seven hundred eighty-four thousand and seventy-three.
Scientific notation
- Scientific notation: 1.8421784073 × 1010
Factors of 18421784073
Divisors of 18421784073
- Number of divisors d(n): 168
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Complete list of divisors:
1 3 7 9 11 21 27 33 49 63 77 81 99 147 173 189 231 243 271 297 441 519 539 567 693 729 813 891 1211 1323 1557 1617 1701 1897 1903 2079 2439 2673 2981 3633 3969 4671 4851 5103 5691 5709 6237 7317 8019 8477 8943 10899 11907 13279 13321 14013 14553 17073 17127 18711 20867 21951 25431 26829 32697 35721 39837 39963 42039 43659 46883 51219 51381 56133 62601 65853 76293 80487 93247 98091 119511 119889 126117 130977 140649 146069 153657 154143 187803 197559 228879 241461 279741 294273 328181 358533 359667 392931 421947 438207 460971 462429 515713 563409 686637 724383 839223 882819 984543 1075599 1079001 1265841 1314621 1382913 1387287 1547139 1690227 2059911 2173149 2297267 2517669 2953629 3226797 3237003 3609991 3797523 3943863 4641417 5070681 6179733 6891801 7553007 8860887 9680391 9711009 10829973 11392569 11831589 13924251 15212043 20675403 22659021 25269937 26582661 32489919 34177707 35494767 41772753 62026209 67977063 75809811 79747983 97469757 106484301 125318259 186078627 227429433 239243949 292409271 375954777 558235881 682288299 877227813 1674707643 2046864897 2631683439 6140594691 18421784073
- Sum of all divisors σ(n): 35382980736
- Sum of proper divisors (its aliquot sum) s(n): 16961196663
- 18421784073 is a deficient number, because the sum of its proper divisors (16961196663) is less than itself. Its deficiency is 1460587410
Bases of 18421784073
- Binary: 100010010100000011000011110000010012
- Hexadecimal: 0x44A061E09
- Base-36: 8GNURK9
Squares and roots of 18421784073
- 18421784073 squared (184217840732) is 339362128432236469329
- 18421784073 cubed (184217840733) is 6251655852532354250454725197017
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The
square root of 18421784073 is 135726.8730686743 -
The
cube root of 18421784073 is 2641.0536845081
Scales and comparisons
How big is 18421784073?- 18,421,784,073 seconds is equal to 585 years, 39 weeks, 2 days, 2 hours, 14 minutes, 33 seconds.
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To count from 1 to 18,421,784,073 would take you about one thousand, one hundred seventy-one 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 18421784073 cubic inches would be around 220.1 feet tall.
Recreational maths with 18421784073
- 18421784073 backwards is 37048712481
- The number of decimal digits it has is: 11
- The sum of 18421784073's digits is 45
- More coming soon!
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