21107958 is an even 8-digits composite number following 21107957
and preceding 21107959 . In scientific notation, it is written as 2.1107958 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6916616 positive integers (up to 21107958) that are relatively prime to 21107958.
21107958 has 16 divisors, whose sum is 42932160
The reverse of 21107958 is 85970112
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million one hundred seven thousand nine hundred fifty-eight
Scientific notation
2.1107958 × 10^7
Engineering notation
2.1107958 × 10^6
Prime Factorization
2 × 3 × 59 × 59627
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21107958
Product of the distinct prime numbers
The prime factorization of 21107958 is 2 × 3 × 59 × 59627.
Since it has a total of 4 prime factors.
3 , 1 , 91 , 78 , 661 , 12 , 3354 , 6948 , 84837 , 65341 , 747478 , 898345 , 4845933 , 6263623 , 61994407 , 78526221 , 548148365 , 103682191 , 964890318 , 6397470154
n×2
42215916
n×3
63323874
n×4
84431832
n×5
105539790
n÷2
10553979
n÷3
7035986
n÷3
5276989.5
n÷5
4221591.6
n2
445545890929764
n3
9.404563952818E+21
n4
1.985111409244E+29
n5
4.1901648251643E+36
2 √n
4594.3397784665
3 √n
276.36438429061
4 √n
67.781559280283
5 √n
29.166830935321
1 , 2 , 3 , 6 , 59 , 118 , 177 , 354 , 59627 , 119254 , 178881 , 357762 , 3517993 , 7035986 , 10553979 , 21107958
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21107957
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21107958 can be divided by 16 positive divisors.
The sum of these divisors (counting 21107958) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100001010011110110
3
Ternary
1110201101200020
4
Quaternary
1100201103312
5
Quinary
20400423313
6
Senary
2032230010
8
Octal
120412366
10
Decimal
21107958
12
Duodecimal
709b306
16
Hexadecimal
14214f6
20
Vigesimal
6bi9hi
36
Base36
ckf06
md5
29e7f9ebea0a3f7e070007a5865ff634
sha1
21244f2b3c84f7ca88bcd518051a935d8dde54d7
sha256
b43bdec82b0a9165b268c5c736034a43b69b94b0df61bd77b980284f0149dc1c
sha512
363fe33a73290864aee100db6884906c1a2552ad5f4b514ad5b8bfa2112c4ffbbc1f0f8440b6ee47f303dfe6699b3f8404115d754b963054c6c2061822b9e0ed
ripemd-160
9facaaef3167b2293ecefcb3701d331f294fcdc1
Diameter
42215916
Circumference
132625211.57016
Area
1.3997236977821E+15
Volume
3.9393745365851E+22
Surface area
5.5988947911283E+15
Circumference
132625211.57016
Perimeter
84431832
Area
445545890929764
Diagonal
29851160.477602
Surface area
2673275345578584
Volume
9.404563952818E+21
Space diagonal
36560055.70003
Perimeter
63323874
Area
1.9292703004847E+14
Altitude
18280027.850015
Surface area
1.9292703004847E+14
Volume
1.1083384908567E+21
Height
9950386.8258672