21072537 is an odd 8-digits composite number following 21072536
and preceding 21072538 . In scientific notation, it is written as 2.1072537 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 12910464 positive integers (up to 21072537) that are relatively prime to 21072537.
21072537 has 12 divisors, whose sum is 30489264
The reverse of 21072537 is 73527012
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million seventy-two thousand five hundred thirty-seven
Scientific notation
2.1072537 × 10^7
Engineering notation
2.1072537 × 10^6
Prime Factorization
3 × 731 × 3 × 3203
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7024179
Product of the distinct prime numbers
The prime factorization of 21072537 is 3 × 731 × 3 × 3203.
Since it has a total of 4 prime factors.
7 , 4 , 36 , 19 , 933 , 580 , 6878 , 2417 , 47909 , 53282 , 710880 , 906301 , 3295473 , 8398164 , 24247812 , 26414625 , 746948331 , 191885055 , 5511905833 , 8328538449
n×2
42145074
n×3
63217611
n×4
84290148
n×5
105362685
n÷2
10536268.5
n÷3
7024179
n÷3
5268134.25
n÷5
4214507.4
n2
444051815616369
n3
9.3572983144931E+21
n4
1.9718201495219E+29
n5
4.1551253058147E+36
2 √n
4590.4833078882
3 √n
276.20970986839
4 √n
67.753105522095
5 √n
29.157035459295
1 , 3 , 9 , 731 , 2193 , 3203 , 6579 , 9609 , 28827 , 2341393 , 7024179 , 21072537
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
-21072536
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 21072537 can be divided by 12 positive divisors.
The sum of these divisors (counting 21072537) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011000101010011001
3
Ternary
1110122121002100
4
Quaternary
1100120222121
5
Quinary
20343310122
6
Senary
2031354013
8
Octal
120305231
10
Decimal
21072537
12
Duodecimal
7082909
16
Hexadecimal
1418a99
20
Vigesimal
6be16h
36
Base36
cjno9
md5
939f450f49bb4141480c67db5fbf25c9
sha1
520308d1e136deb30f53e07e09764c65e3844b92
sha256
3be57e45c5b8f913f2cdb7b8134842de0d2b014c5fcc4088d3fcf279f67cd3e6
sha512
4aa5bb9ad887d805487010d0a307a80023276b9155698cc1c44c1f5b3e4e43daf20aa7862c96efb4d5b316302e37196d03e7de4d105605b6bc2cda17747ff7d6
ripemd-160
6e27ad6ecc3920d453ec85888812f5dd8743125c
Diameter
42145074
Circumference
132402654.8634
Area
1.3950299217536E+15
Volume
3.9195759523013E+22
Surface area
5.5801196870144E+15
Circumference
132402654.8634
Perimeter
84290148
Area
444051815616369
Diagonal
29801067.619009
Surface area
2664310893698214
Volume
9.3572983144931E+21
Space diagonal
36498704.728375
Perimeter
63217611
Area
1.9228007646019E+14
Altitude
18249352.364188
Surface area
1.9228007646019E+14
Volume
1.1027681819606E+21
Height
9933689.2063363