21490738 is an even 8-digits composite number following 21490737
and preceding 21490739 . In scientific notation, it is written as 2.1490738 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 10634496 positive integers (up to 21490738) that are relatively prime to 21490738.
21490738 has 8 divisors, whose sum is 32568732
The reverse of 21490738 is 83709412
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety thousand seven hundred thirty-eight
Scientific notation
2.1490738 × 10^7
Engineering notation
2.1490738 × 10^6
Prime Factorization
2 × 97 × 110777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21490738
Product of the distinct prime numbers
The prime factorization of 21490738 is 2 × 97 × 110777.
Since it has a total of 3 prime factors.
2 , 8 , 87 , 100 , 895 , 459 , 9006 , 3102 , 46094 , 85812 , 880337 , 619177 , 1218411 , 9686372 , 61944607 , 69957297 , 775993411 , 848292487 , 1769344573 , 8460681964
n×2
42981476
n×3
64472214
n×4
85962952
n×5
107453690
n÷2
10745369
n÷3
7163579.3333333
n÷3
5372684.5
n÷5
4298147.6
n2
461851819784644
n3
9.925536453815E+21
n4
2.1330710343839E+29
n5
4.5841270735333E+36
2 √n
4635.8103930165
3 √n
278.02495333522
4 √n
68.086785744493
5 √n
29.271856397767
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490738 can be divided by 8 positive divisors.
The sum of these divisors (counting 21490738) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111110110000110010
3
Ternary
1111102211202021
4
Quaternary
1101332300302
5
Quinary
21000200423
6
Senary
2044342054
8
Octal
121766062
10
Decimal
21490738
12
Duodecimal
724492a
16
Hexadecimal
147ec32
20
Vigesimal
6e66gi
36
Base36
csmcy
md5
b392937f3d0388b83e3eedef336b28f8
sha1
e645bc42636ac6d127ecfdabcf7763a838a718bb
sha256
48b4fe199d1334b31ad824c3539f835fb96fbd535ed78943faa0373f1d399b18
sha512
bc0ae2627bace1b97073887d09a01cad49231716d82a3a035533badb5a000d0233cfbc2e80ef9972f55218aed3a320fc5e2dec330486e778013940e9d2b2e0e5
ripemd-160
ea325454faf410b05e60a7f7caaf736f358175f3
Diameter
42981476
Circumference
135030289.24205
Area
1.4509502840825E+15
Volume
4.1575989874991E+22
Surface area
5.8038011363301E+15
Circumference
135030289.24205
Perimeter
85962952
Area
461851819784644
Diagonal
30392493.145007
Surface area
2771110918707864
Volume
9.925536453815E+21
Space diagonal
37223050.108151
Perimeter
64472214
Area
1.9998770435879E+14
Altitude
18611525.054076
Surface area
1.9998770435879E+14
Volume
1.1697356889011E+21
Height
10130831.048336