21961490 is an even 8-digits composite number following 21961489
and preceding 21961491 . In scientific notation, it is written as 2.1961490 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 8784592 positive integers (up to 21961490) that are relatively prime to 21961490.
21961490 has 8 divisors, whose sum is 39530700
The reverse of 21961490 is 09416912
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million nine hundred sixty-one thousand four hundred ninety
Scientific notation
2.1961490 × 10^7
Engineering notation
2.1961490 × 10^6
Prime Factorization
2 × 5 × 2196149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21961490
Product of the distinct prime numbers
The prime factorization of 21961490 is 2 × 5 × 2196149.
Since it has a total of 3 prime factors.
3 , 6 , 14 , 62 , 346 , 964 , 5084 , 2169 , 38155 , 14095 , 439507 , 415501 , 2277558 , 507511 , 87769183 , 67532563 , 43051920 , 949418584 , 8789237568 , 7777112955
n×2
43922980
n×3
65884470
n×4
87845960
n×5
109807450
n÷2
10980745
n÷3
7320496.6666667
n÷3
5490372.5
n÷5
4392298
n2
482307043020100
n3
1.0592181302215E+22
n4
2.3262008374679E+29
n5
5.1086836430043E+36
2 √n
4686.3087819733
3 √n
280.04034282652
4 √n
68.456619708932
5 √n
29.398986606629
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
-21961489
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 21961490 can be divided by 8 positive divisors.
The sum of these divisors (counting 21961490) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011110001101100010010
3
Ternary
1112022202111112
4
Quaternary
1103301230102
5
Quinary
21110231430
6
Senary
2102413322
8
Octal
123615422
10
Decimal
21961490
12
Duodecimal
7431242
16
Hexadecimal
14f1b12
20
Vigesimal
6h53ea
36
Base36
d2ple
md5
eae69fa87675150c42eca36c519c62d4
sha1
df72e4b7ac79d8c022f86104ce76cd90317161d0
sha256
0550ab0b05623acd60732d4a2cc3541ed38076cf57af16b4c0b2fd893d049f46
sha512
4a41ff44a400451bde81019fc003ef62ca4b89da319a219abeea3c0db0558dff2c920080a4dd8be67fbbe677053108c662d1583b92f70a11deca6d3c9374a46b
ripemd-160
fe13b3ea72cf218edca13d630c4a3c00a7c75e45
Diameter
43922980
Circumference
137988111.29177
Area
1.5152122631266E+15
Volume
4.4368425286042E+22
Surface area
6.0608490525062E+15
Circumference
137988111.29177
Perimeter
87845960
Area
482307043020100
Diagonal
31058237.007921
Surface area
2893842258120600
Volume
1.0592181302215E+22
Space diagonal
38038416.489916
Perimeter
65884470
Area
2.0884507583978E+14
Altitude
19019208.244958
Surface area
2.0884507583978E+14
Volume
1.2483005377257E+21
Height
10352745.669307