21456937 is an odd 8-digits prime number following 21456936
and preceding 21456938 . In scientific notation, it is written as 2.1456937 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 21456936 positive integers (up to 21456937) that are relatively prime to 21456937.
21456937 has 2 divisors, whose sum is 21456938
The reverse of 21456937 is 73965412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 37 Digital Root 1
Name
twenty-one million four hundred fifty-six thousand nine hundred thirty-seven
Scientific notation
2.1456937 × 10^7
Engineering notation
2.1456937 × 10^6
Prime Factorization
21456937
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21456937 Product of the distinct prime numbers
The prime factorization of 21456937 is 21456937.
Since it has a total of 1 prime factors.
7 , 1 , 71 , 59 , 696 , 784 , 8434 , 7997 , 33997 , 4151 , 58827 , 164025 , 8043201 , 5029326 , 43245562 , 52883929 , 986293950 , 569363661 , 1009883574 , 1300980851
n×2
42913874
n×3
64370811
n×4
85827748
n×5
107284685
n÷2
10728468.5
n÷3
7152312.3333333
n÷3
5364234.25
n÷5
4291387.4
n2
460400145421969
n3
9.87877691511E+21
n4
2.1196829390457E+29
n5
4.5481903283078E+36
2 √n4632.1633175008
3 √n277.87911605069
4 √n68.059997924631
5 √n29.262642744187
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21456938 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10728469 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4632.1634254417 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999067901 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21456937 can be divided by 2 positive divisors.
The sum of these divisors (counting 21456937) is 21456938, the average is 10728469.
Base
System
Value
2
Binary
1010001110110100000101001
3
Ternary
1111101010101101
4
Quaternary
1101312200221
5
Quinary
20443110222
6
Senary
2043521401
8
Octal
121664051
10
Decimal
21456937
12
Duodecimal
7229261
16
Hexadecimal
1476829
20
Vigesimal
6e226h
36
Base36
crwa1
md5
d339c02443ee8a0c7315f99688633cf3
sha1
0c11d0ea3c9def8871e09088d8560134d4dce200
sha256
0dd5fbdb7606f4c074b8e4824f548fc27ae56b7fc4a4157b90614eba5563ccb9
sha512
0cd03518465a44857dd9fd8dc1a2a0650caa633ba55af80c8018633107d202ba959026d011ac047188fcf03a1915f21c33b40ec9f61743f3d90ae844b4a358fe
ripemd-160
8c09365adbe14de0923732fc2174dafdbeec7be4
Diameter
42913874
Circumference
134817911.29548
Area
1.4463897145693E+15
Volume
4.1380123977283E+22
Surface area
5.7855588582773E+15
Circumference
134817911.29548
Perimeter
85827748
Area
460400145421969
Diagonal
30344691.312385
Surface area
2762400872531814
Volume
9.87877691511E+21
Space diagonal
37164505.058805
Perimeter
64370811
Area
1.9935911092074E+14
Altitude
18582252.529402
Surface area
1.9935911092074E+14
Volume
1.1642250244172E+21
Height
10114897.104128