21589897 is an odd 8-digits composite number following 21589896
and preceding 21589898 . In scientific notation, it is written as 2.1589897 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 18371664 positive integers (up to 21589897) that are relatively prime to 21589897.
21589897 has 8 divisors, whose sum is 24852800
The reverse of 21589897 is 79898512
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-one million five hundred eighty-nine thousand eight hundred ninety-seven
Scientific notation
2.1589897 × 10^7
Engineering notation
2.1589897 × 10^6
Prime Factorization
7 × 139 × 22189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21589897
Product of the distinct prime numbers
The prime factorization of 21589897 is 7 × 139 × 22189.
Since it has a total of 3 prime factors.
9 , 5 , 62 , 72 , 492 , 129 , 8331 , 3606 , 39833 , 73757 , 290459 , 286190 , 7850765 , 5718536 , 41852744 , 77746289 , 801424165 , 534695284 , 1352517114 , 8884326704
n×2
43179794
n×3
64769691
n×4
86359588
n×5
107949485
n÷2
10794948.5
n÷3
7196632.3333333
n÷3
5397474.25
n÷5
4317979.4
n2
466123652470609
n3
1.0063561646104E+22
n4
2.1727125939254E+29
n5
4.6908641113452E+36
2 √n
4646.4929785807
3 √n
278.45190290089
4 √n
68.165188905927
5 √n
29.298818950399
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
-21589896
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 21589897 can be divided by 8 positive divisors.
The sum of these divisors (counting 21589897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010010110111110001001
3
Ternary
1111121212202211
4
Quaternary
1102112332021
5
Quinary
21011334042
6
Senary
2050425121
8
Octal
122267611
10
Decimal
21589897
12
Duodecimal
72921a1
16
Hexadecimal
1496f89
20
Vigesimal
6eieeh
36
Base36
cuqvd
md5
16471ab1af5b874aa860e81a2f8cf0ac
sha1
346403e76fa9eae568cbbc0ff735c6d9c3eaa3d9
sha256
9336f7922371a630862be4a563ea086067eca7ae1739fa7d36465f2310b90685
sha512
7b0a8ab509e6c1fc1f3f8937e873eaa783d8402423522f5d1202b9c1a59cc6aba45c028005f06ef6d6fd48868d71d8b2c9fa86c54d1c2a13b3180edd9bcab99a
ripemd-160
724787b7351fe0d3a7c29606d44d22181cbc2830
Diameter
43179794
Circumference
135653323.61392
Area
1.4643706422661E+15
Volume
4.2154148448465E+22
Surface area
5.8574825690644E+15
Circumference
135653323.61392
Perimeter
86359588
Area
466123652470609
Diagonal
30532725.147638
Surface area
2796741914823654
Volume
1.0063561646104E+22
Space diagonal
37394798.534179
Perimeter
64769691
Area
2.0183746217217E+14
Altitude
18697399.267089
Surface area
2.0183746217217E+14
Volume
1.1860021138082E+21
Height
10177575.049213