21371572 is an even 8-digits composite number following 21371571
and preceding 21371573 . In scientific notation, it is written as 2.1371572 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 10673280 positive integers (up to 21371572) that are relatively prime to 21371572.
21371572 has 12 divisors, whose sum is 37444036
The reverse of 21371572 is 27517312
Previous prime number is 1021
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million three hundred seventy-one thousand five hundred seventy-two
Scientific notation
2.1371572 × 10^7
Engineering notation
2.1371572 × 10^6
Prime Factorization
2 × 2 × 1021 × 5233
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10685786
Product of the distinct prime numbers
The prime factorization of 21371572 is 2 × 2 × 1021 × 5233.
Since it has a total of 4 prime factors.
2 , 10 , 20 , 94 , 516 , 671 , 5763 , 3543 , 45876 , 78786 , 874010 , 367060 , 1298101 , 9488106 , 46109757 , 29344187 , 794890284 , 44877619 , 3909353522 , 4549683188
n×2
42743144
n×3
64114716
n×4
85486288
n×5
106857860
n÷2
10685786
n÷3
7123857.3333333
n÷3
5342893
n÷5
4274314.4
n2
456744089751184
n3
9.7613391996919E+21
n4
2.0861516352264E+29
n5
4.4584339875158E+36
2 √n
4622.9397573406
3 √n
277.51011839847
4 √n
67.992203651158
5 √n
29.239321705651
1 , 2 , 4 , 1021 , 2042 , 4084 , 5233 , 10466 , 20932 , 5342893 , 10685786 , 21371572
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21371571
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21371572 can be divided by 12 positive divisors.
The sum of these divisors (counting 21371572) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001100001101010110100
3
Ternary
1111012210021201
4
Quaternary
1101201222310
5
Quinary
20432342242
6
Senary
2042022244
8
Octal
121415264
10
Decimal
21371572
12
Duodecimal
71a7984
16
Hexadecimal
1461ab4
20
Vigesimal
6db8ic
36
Base36
cq2es
md5
02de578c2b9f6797f6bdbee288f89c85
sha1
a6efe22dc18a1dc093880c703a0f929c3d0c82a2
sha256
63d1be965e26564779f8c6065eaa78dcbec8dc90fc0a37aff408e39326e35749
sha512
43896820b68538286085b332163b868281bc05381717dbc42cad7b8d3108edcf220a0df95c7dc9b0994334af551266451c01a02297cba0b5958041fbaa426c81
ripemd-160
5c848f20be64078bc0ae803c4fb8ce295df14749
Diameter
42743144
Circumference
134281547.18173
Area
1.4349038769329E+15
Volume
4.0888202025267E+22
Surface area
5.7396155077315E+15
Circumference
134281547.18173
Perimeter
85486288
Area
456744089751184
Diagonal
30223966.971633
Surface area
2740464538507104
Volume
9.7613391996919E+21
Space diagonal
37016648.541616
Perimeter
64114716
Area
1.9777599237646E+14
Altitude
18508324.270808
Surface area
1.9777599237646E+14
Volume
1.1503848569274E+21
Height
10074655.657211