21127939 is an odd 8-digits composite number following 21127938
and preceding 21127940 . In scientific notation, it is written as 2.1127939 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 18109656 positive integers (up to 21127939) that are relatively prime to 21127939.
21127939 has 4 divisors, whose sum is 24146224
The reverse of 21127939 is 93972112
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million one hundred twenty-seven thousand nine hundred thirty-nine
Scientific notation
2.1127939 × 10^7
Engineering notation
2.1127939 × 10^6
Prime Factorization
7 × 3018277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21127939
Product of the distinct prime numbers
The prime factorization of 21127939 is 7 × 3018277.
Since it has a total of 2 prime factors.
9 , 2 , 33 , 6 , 224 , 989 , 1306 , 111 , 30439 , 56408 , 4122 , 707146 , 193887 , 4578233 , 92166595 , 80357790 , 758603545 , 541184115 , 291600302 , 6374251335
n×2
42255878
n×3
63383817
n×4
84511756
n×5
105639695
n÷2
10563969.5
n÷3
7042646.3333333
n÷3
5281984.75
n÷5
4225587.8
n2
446389806387721
n3
9.4312965995816E+21
n4
1.9926385924687E+29
n5
4.2100346630724E+36
2 √n
4596.5137876438
3 √n
276.45155986792
4 √n
67.797594261477
5 √n
29.172350767293
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21127938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21127939 can be divided by 4 positive divisors.
The sum of these divisors (counting 21127939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100110001100000011
3
Ternary
1110202102002021
4
Quaternary
1100212030003
5
Quinary
20402043224
6
Senary
2032502311
8
Octal
120461403
10
Decimal
21127939
12
Duodecimal
70aa997
16
Hexadecimal
1426303
20
Vigesimal
6c0jgj
36
Base36
ckuf7
md5
d877abce814e39082992c668a2f00a82
sha1
dc4ac5e9cca3018b41cb68f6c28ed89faa9f1e2e
sha256
02272b4aec78b5149535bd8f9ac81d8aafe7214febac2bed27e99e3d955e90ef
sha512
7a1e76f8d8b2b9c9ba2c428c3d462573164dbe90858ba9cdf26db2a0a264dad9491ab6b0750279fb77ab1d3f3807f386716d108e086284176bd553379a30f6ac
ripemd-160
eb6428c3ca7d906daa21bd9755d4d7ec4a070579
Diameter
42255878
Circumference
132750755.89579
Area
1.402374936385E+15
Volume
3.9505722814763E+22
Surface area
5.6094997455401E+15
Circumference
132750755.89579
Perimeter
84511756
Area
446389806387721
Diagonal
29879417.878791
Surface area
2678338838326326
Volume
9.4312965995816E+21
Space diagonal
36594663.807216
Perimeter
63383817
Area
1.9329245616109E+14
Altitude
18297331.903608
Surface area
1.9329245616109E+14
Volume
1.111488963491E+21
Height
9959805.9595971