21373965 is an odd 8-digits composite number following 21373964
and preceding 21373966 . In scientific notation, it is written as 2.1373965 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 11399424 positive integers (up to 21373965) that are relatively prime to 21373965.
21373965 has 8 divisors, whose sum is 28498680
The reverse of 21373965 is 56937312
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million three hundred seventy-three thousand nine hundred sixty-five
Scientific notation
2.1373965 × 10^7
Engineering notation
2.1373965 × 10^6
Prime Factorization
5 × 9 × 474977
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21373965
Product of the distinct prime numbers
The prime factorization of 21373965 is 5 × 9 × 474977.
Since it has a total of 3 prime factors.
2 , 2 , 30 , 34 , 17 , 637 , 2607 , 7164 , 35068 , 92027 , 564648 , 351338 , 6718692 , 484243 , 54849830 , 11566138 , 865751167 , 294370161 , 5901150260 , 8484892652
n×2
42747930
n×3
64121895
n×4
85495860
n×5
106869825
n÷2
10686982.5
n÷3
7124655
n÷3
5343491.25
n÷5
4274793
n2
456846379821225
n3
9.7646185326756E+21
n4
2.0870861475576E+29
n5
4.4609306269881E+36
2 √n
4623.1985680911
3 √n
277.52047572312
4 √n
67.994106862956
5 √n
29.239976468559
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
-21373964
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 21373965 can be divided by 8 positive divisors.
The sum of these divisors (counting 21373965) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001100010010000001101
3
Ternary
1111012220120100
4
Quaternary
1101202100031
5
Quinary
20432431330
6
Senary
2042041313
8
Octal
121422015
10
Decimal
21373965
12
Duodecimal
71a9239
16
Hexadecimal
146240d
20
Vigesimal
6dbei5
36
Base36
cq499
md5
b5cae5c172e3757d72f3fcf1d1d81190
sha1
4e1e8ea2b5d7f3deabc492d208b816e57da9821a
sha256
64d99e4df5197dffea01e9422cba0e3fb52f78f42bc25e8bc73473fa5c63df01
sha512
1c1b87050eb7b3e3ccaca394d267fbeec7ec1c1b740954d6dc2a70a6671bc1de8f005db03ea14958c89cd493001de62648fc37144cc41b7a34ba506fdcaceccb
ripemd-160
96982b777e4b3882a69a150c93c92412994f5478
Diameter
42747930
Circumference
134296582.84417
Area
1.4352252306655E+15
Volume
4.0901938463147E+22
Surface area
5.7409009226618E+15
Circumference
134296582.84417
Perimeter
85495860
Area
456846379821225
Diagonal
30227351.184688
Surface area
2741078278927350
Volume
9.7646185326756E+21
Space diagonal
37020793.339199
Perimeter
64121895
Area
1.9782028527607E+14
Altitude
18510396.669599
Surface area
1.9782028527607E+14
Volume
1.1507713300258E+21
Height
10075783.728229