21083913 is an odd 8-digits composite number following 21083912
and preceding 21083914 . In scientific notation, it is written as 2.1083913 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 14055936 positive integers (up to 21083913) that are relatively prime to 21083913.
21083913 has 4 divisors, whose sum is 23426580
The reverse of 21083913 is 31938012
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million eighty-three thousand nine hundred thirteen
Scientific notation
2.1083913 × 10^7
Engineering notation
2.1083913 × 10^6
Prime Factorization
9 × 2342657
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21083913
Product of the distinct prime numbers
The prime factorization of 21083913 is 9 × 2342657.
Since it has a total of 2 prime factors.
4 , 1 , 50 , 71 , 510 , 190 , 1256 , 1384 , 34508 , 26684 , 302896 , 762831 , 9069670 , 9964754 , 68804387 , 90160509 , 702214809 , 690261782 , 7587406453 , 4457344480
n×2
42167826
n×3
63251739
n×4
84335652
n×5
105419565
n÷2
10541956.5
n÷3
7027971
n÷3
5270978.25
n÷5
4216782.6
n2
444531387391569
n3
9.3724610975331E+21
n4
1.9760815437627E+29
n5
4.1663531349599E+36
2 √n
4591.7222259192
3 √n
276.2594048244
4 √n
67.762247792699
5 √n
29.160182862319
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
-21083912
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 21083913 can be divided by 4 positive divisors.
The sum of these divisors (counting 21083913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011011011100001001
3
Ternary
1110200011200200
4
Quaternary
1100123130021
5
Quinary
20344141123
6
Senary
2031522413
8
Octal
120333411
10
Decimal
21083913
12
Duodecimal
7089409
16
Hexadecimal
141b709
20
Vigesimal
6bf9fd
36
Base36
cjwg9
md5
7a13e275dae0f54dba0fd29d65cf82d5
sha1
7b77f2656ca855469d5faf3a00d3682b647abc19
sha256
073488fa7377cd03b202cabbfc1c9f67a5939c549b6109d7e6f5ecce98e8998b
sha512
5b84385c6322f33499b2802c01c4ab30198fb5ec1ed111f15d0454833d2546b66b1d5967f0badaf972727af3090995fd1f4c66b20fefa41ff0dc50c31d9e4e6d
ripemd-160
cdf83d3c6c2ccac3c4af9af3e5800034068e92fe
Diameter
42167826
Circumference
132474132.37945
Area
1.3965365409194E+15
Volume
3.9259273240088E+22
Surface area
5.5861461636777E+15
Circumference
132474132.37945
Perimeter
84335652
Area
444531387391569
Diagonal
29817155.712494
Surface area
2667188324349414
Volume
9.3724610975331E+21
Space diagonal
36518408.538362
Perimeter
63251739
Area
1.9248773713032E+14
Altitude
18259204.269181
Surface area
1.9248773713032E+14
Volume
1.1045551330788E+21
Height
9939051.9041648