21438037 is an odd 8-digits composite number following 21438036
and preceding 21438038 . In scientific notation, it is written as 2.1438037 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 19707072 positive integers (up to 21438037) that are relatively prime to 21438037.
21438037 has 8 divisors, whose sum is 23227776
The reverse of 21438037 is 73083412
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred thirty-eight thousand thirty-seven
Scientific notation
2.1438037 × 10^7
Engineering notation
2.1438037 × 10^6
Prime Factorization
17 × 43 × 29327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21438037
Product of the distinct prime numbers
The prime factorization of 21438037 is 17 × 43 × 29327.
Since it has a total of 3 prime factors.
3 , 3 , 78 , 71 , 815 , 497 , 427 , 3857 , 78903 , 7552 , 50986 , 698767 , 5812944 , 9211678 , 34960651 , 16518186 , 922480083 , 494696387 , 3482210980 , 3452664948
n×2
42876074
n×3
64314111
n×4
85752148
n×5
107190185
n÷2
10719018.5
n÷3
7146012.3333333
n÷3
5359509.25
n÷5
4287607.4
n2
459589430413369
n3
9.8526952140107E+21
n4
2.1122244454768E+29
n5
4.5281945814437E+36
2 √n
4630.122784549
3 √n
277.79750362436
4 √n
68.045005581226
5 √n
29.257485820681
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
-21438036
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 21438037 can be divided by 8 positive divisors.
The sum of these divisors (counting 21438037) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110001111001010101
3
Ternary
1111100011110101
4
Quaternary
1101301321111
5
Quinary
20442004122
6
Senary
2043254101
8
Octal
121617125
10
Decimal
21438037
12
Duodecimal
721a331
16
Hexadecimal
1471e55
20
Vigesimal
6djf1h
36
Base36
crhp1
md5
c358456a3df8e71ca0f3e9c3a0244651
sha1
e8f00ab1ab5416f4f5b6d1435dced545b86c07c0
sha256
becfcbd0e056c094b762eeff56dc2f989a9d7e10249faacee579021eb1c9e063
sha512
54e9eadfc56af56c5e9050cc453cca747943f9330a85992bebc9a46001bd552ab77c4cee7ba15110d63bee12cea2023616f75ffc27c6efcbaf60defaef9cb313
ripemd-160
c3e8f384a79b9d290445f00a10e7e1225036b653
Diameter
42876074
Circumference
134699159.09317
Area
1.4438427782542E+15
Volume
4.1270873203194E+22
Surface area
5.7753711130166E+15
Circumference
134699159.09317
Perimeter
85752148
Area
459589430413369
Diagonal
30317962.676056
Surface area
2757536582480214
Volume
9.8526952140107E+21
Space diagonal
37131769.298541
Perimeter
64314111
Area
1.990080610244E+14
Altitude
18565884.649271
Surface area
1.990080610244E+14
Volume
1.1611512664652E+21
Height
10105987.558685