21040897 is an odd 8-digits composite number following 21040896
and preceding 21040898 . In scientific notation, it is written as 2.1040897 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 21029680 positive integers (up to 21040897) that are relatively prime to 21040897.
21040897 has 4 divisors, whose sum is 21052116
The reverse of 21040897 is 79804012
Previous prime number is 8837
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million forty thousand eight hundred ninety-seven
Scientific notation
2.1040897 × 10^7
Engineering notation
2.1040897 × 10^6
Prime Factorization
8837 × 2381
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21040897
Product of the distinct prime numbers
The prime factorization of 21040897 is 8837 × 2381.
Since it has a total of 2 prime factors.
5 , 5 , 57 , 57 , 692 , 71 , 6034 , 7867 , 35106 , 85956 , 510037 , 631996 , 8803248 , 1588228 , 85785787 , 81589779 , 348225017 , 362145255 , 3831677985 , 4791460588
n×2
42081794
n×3
63122691
n×4
84163588
n×5
105204485
n÷2
10520448.5
n÷3
7013632.3333333
n÷3
5260224.25
n÷5
4208179.4
n2
442719346564609
n3
9.3152121709732E+21
n4
1.9600041982259E+29
n5
4.124024645444E+36
2 √n
4587.0357530763
3 √n
276.07139947222
4 √n
67.727658700684
5 √n
29.148274452825
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21040896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21040897 can be divided by 4 positive divisors.
The sum of these divisors (counting 21040897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010000111100000001
3
Ternary
1110120222200111
4
Quaternary
1100100330001
5
Quinary
20341302042
6
Senary
2030551321
8
Octal
120207401
10
Decimal
21040897
12
Duodecimal
7068541
16
Hexadecimal
1410f01
20
Vigesimal
6ba24h
36
Base36
ciz9d
md5
07fd6d24e7c0772f2ffa781b9f79e8b4
sha1
69c68313e44ed7a1791201de0080be71d7afe221
sha256
d22cc82c95facc6b88e205523024d78bee2994d89f17bb5551a3cdc9b4c1260f
sha512
d1a9607f31df69f20c9fe3235a972ffa798f7c77bf1bf1df270ff47212df820ffd90cb81340a56d90d2a9348b8dc1cc6b6d83b205757cca789993d54e4662fc8
ripemd-160
e9316d7fc78c64461680c30b4df4bcded7f435ed
Diameter
42081794
Circumference
132203854.88028
Area
1.3908438467694E+15
Volume
3.901946949728E+22
Surface area
5.5633753870778E+15
Circumference
132203854.88028
Perimeter
84163588
Area
442719346564609
Diagonal
29756321.901895
Surface area
2656316079387654
Volume
9.3152121709732E+21
Space diagonal
36443902.640824
Perimeter
63122691
Area
1.917031004359E+14
Altitude
18221951.320412
Surface area
1.917031004359E+14
Volume
1.0978082823811E+21
Height
9918773.9672985