21075904 is an even 8-digits composite number following 21075903
and preceding 21075905 . In scientific notation, it is written as 2.1075904 × 10^7.
The sum of its digits is 28. It has a total of 8 prime factors and 28 positive divisors.
There are 10450944 positive integers (up to 21075904) that are relatively prime to 21075904.
21075904 has 28 divisors, whose sum is 42168064
The reverse of 21075904 is 40957012
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million seventy-five thousand nine hundred four
Scientific notation
2.1075904 × 10^7
Engineering notation
2.1075904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 127 × 2593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
658622
Product of the distinct prime numbers
The prime factorization of 21075904 is 2 × 2 × 2 × 2 × 2 × 2 × 127 × 2593.
Since it has a total of 8 prime factors.
8 , 6 , 18 , 56 , 410 , 574 , 6672 , 6909 , 54428 , 3947 , 288435 , 461863 , 9757290 , 14438 , 46196015 , 86788171 , 442207829 , 340082895 , 1921282089 , 4889672956
n×2
42151808
n×3
63227712
n×4
84303616
n×5
105379520
n÷2
10537952
n÷3
7025301.3333333
n÷3
5268976
n÷5
4215180.8
n2
444193729417216
n3
9.3617843985992E+21
n4
1.9730806925357E+29
n5
4.1584459260137E+36
2 √n
4590.8500302232
3 √n
276.22442014533
4 √n
67.755811781892
5 √n
29.157967150288
1 , 2 , 4 , 8 , 16 , 32 , 64 , 127 , 254 , 508 , 1016 , 2032 , 2593 , 4064 , 5186 , 8128 , 10372 , 20744 , 41488 , 82976 , 165952 , 329311 , 658622 , 1317244 , 2634488 , 5268976 , 10537952 , 21075904
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21075903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21075904 can be divided by 28 positive divisors.
The sum of these divisors (counting 21075904) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1010000011001011111000000
3
Ternary
1110122202201001
4
Quaternary
1100121133000
5
Quinary
20343412104
6
Senary
2031421344
8
Octal
120313700
10
Decimal
21075904
12
Duodecimal
7084854
16
Hexadecimal
14197c0
20
Vigesimal
6be9f4
36
Base36
cjq9s
md5
3d630ef9b8d1a5a1e1e7f882ee7c4bf6
sha1
c42469028b59e40f37234dea0a63eb04fbdba8bb
sha256
d4979792a823c97db10857df76bbf06a776ab99afdd874145880e72e1f4976f1
sha512
6bc0fc43d1ba9a83ebfd4c3ef4c99ef155cf399330c01074da78c59cd7bcf689bab9da4927a04e68253a28014fa8c5730276cb50f759f16bb18b97078ca60b81
ripemd-160
7bea37a5851bd35f3e9703c883cb9e5de2307189
Diameter
42151808
Circumference
132423810.34833
Area
1.3954757571078E+15
Volume
3.9214550788174E+22
Surface area
5.5819030284311E+15
Circumference
132423810.34833
Perimeter
84303616
Area
444193729417216
Diagonal
29805829.276073
Surface area
2665162376503296
Volume
9.3617843985992E+21
Space diagonal
36504536.543444
Perimeter
63227712
Area
1.9234152693853E+14
Altitude
18252268.271722
Surface area
1.9234152693853E+14
Volume
1.1032968720427E+21
Height
9935276.4253578