21492718 is an even 8-digits composite number following 21492717
and preceding 21492719 . In scientific notation, it is written as 2.1492718 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 9380448 positive integers (up to 21492718) that are relatively prime to 21492718.
21492718 has 32 divisors, whose sum is 36642816
The reverse of 21492718 is 81729412
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-two thousand seven hundred eighteen
Scientific notation
2.1492718 × 10^7
Engineering notation
2.1492718 × 10^6
Prime Factorization
2 × 13 × 23 × 127 × 283
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21492718
Product of the distinct prime numbers
The prime factorization of 21492718 is 2 × 13 × 23 × 127 × 283.
Since it has a total of 5 prime factors.
5 , 3 , 22 , 76 , 83 , 685 , 9573 , 8510 , 30598 , 89659 , 843444 , 183260 , 783897 , 3926371 , 53112159 , 84240244 , 413954812 , 935025697 , 2487001102 , 7807349998
n×2
42985436
n×3
64478154
n×4
85970872
n×5
107463590
n÷2
10746359
n÷3
7164239.3333333
n÷3
5373179.5
n÷5
4298543.6
n2
461936927027524
n3
9.9282801063892E+21
n4
2.1338572455163E+29
n5
4.5862392030139E+36
2 √n
4636.0239429925
3 √n
278.03349147078
4 √n
68.088353945389
5 √n
29.272395757
1 , 2 , 13 , 23 , 26 , 46 , 127 , 254 , 283 , 299 , 566 , 598 , 1651 , 2921 , 3302 , 3679 , 5842 , 6509 , 7358 , 13018 , 35941 , 37973 , 71882 , 75946 , 84617 , 169234 , 467233 , 826643 , 934466 , 1653286 , 10746359 , 21492718
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492717
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492718 can be divided by 32 positive divisors.
The sum of these divisors (counting 21492718) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111001111101110
3
Ternary
1111102221110121
4
Quaternary
1101333033232
5
Quinary
21000231333
6
Senary
2044355154
8
Octal
121771756
10
Decimal
21492718
12
Duodecimal
7245aba
16
Hexadecimal
147f3ee
20
Vigesimal
6e6bfi
36
Base36
csnvy
md5
ad8122d5844e52ec417fc9946aa77a16
sha1
c6b196171fc39210a36d0bede300b5eb9f2a33f1
sha256
f38c40ee79a4cb511273a765e41937cffc9aacb4e49ba0e9854f27d63524c869
sha512
b71b0d7b0bd0f55d0b898206665ea1569295c2a3799ad3d1223ab32d377cd5f837fbe63c0d78bc7b7e2931e723382444f1ffdfe1539ee7d5f2d0ea05380ea5d8
ripemd-160
97eb4d43776065fb30230afb4b61befcf019f314
Diameter
42985436
Circumference
135042729.94895
Area
1.4512176563715E+15
Volume
4.1587482460018E+22
Surface area
5.8048706254861E+15
Circumference
135042729.94895
Perimeter
85970872
Area
461936927027524
Diagonal
30395293.28786
Surface area
2771621562165144
Volume
9.9282801063892E+21
Space diagonal
37226479.56875
Perimeter
64478154
Area
2.0002455687598E+14
Altitude
18613239.784375
Surface area
2.0002455687598E+14
Volume
1.1700590314579E+21
Height
10131764.429287