21127924 is an even 8-digits composite number following 21127923
and preceding 21127925 . In scientific notation, it is written as 2.1127924 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 10007928 positive integers (up to 21127924) that are relatively prime to 21127924.
21127924 has 12 divisors, whose sum is 38920000
The reverse of 21127924 is 42972112
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million one hundred twenty-seven thousand nine hundred twenty-four
Scientific notation
2.1127924 × 10^7
Engineering notation
2.1127924 × 10^6
Prime Factorization
2 × 2 × 19 × 277999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10563962
Product of the distinct prime numbers
The prime factorization of 21127924 is 2 × 2 × 19 × 277999.
Since it has a total of 4 prime factors.
4 , 1 , 17 , 52 , 398 , 290 , 6172 , 942 , 10975 , 58401 , 752858 , 26358 , 5873892 , 207535 , 26407819 , 26668350 , 611715852 , 122858670 , 5932886597 , 1514121469
n×2
42255848
n×3
63383772
n×4
84511696
n×5
105639620
n÷2
10563962
n÷3
7042641.3333333
n÷3
5281981
n÷5
4225584.8
n2
446389172549776
n3
9.4312765120546E+21
n4
1.9926329336967E+29
n5
4.2100197183042E+36
2 √n
4596.5121559722
3 √n
276.45149444468
4 √n
67.797582228072
5 √n
29.172346625049
1 , 2 , 4 , 19 , 38 , 76 , 277999 , 555998 , 1111996 , 5281981 , 10563962 , 21127924
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
-21127923
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 21127924 can be divided by 12 positive divisors.
The sum of these divisors (counting 21127924) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100110001011110100
3
Ternary
1110202102001201
4
Quaternary
1100212023310
5
Quinary
20402043144
6
Senary
2032502244
8
Octal
120461364
10
Decimal
21127924
12
Duodecimal
70aa984
16
Hexadecimal
14262f4
20
Vigesimal
6c0jg4
36
Base36
ckues
md5
77102f8b8ff1c5c6b802b0ecbe5db402
sha1
7ebe2e08ab02db21b6808fc60af23450ac611249
sha256
075c6279b6ddcb39849779c2539adc3968374e2e84c073d6a82972d50818a841
sha512
76f91460d1216e2627cdaf1b25a6319f692e3619ab8f09a5d39ff2a6c1110477242c2bf123f2f6c12cc5d199ecf9eb31bc771be8f0ce6fa81ed052a9462c2996
ripemd-160
1871c417aa7aed8475bfdaa09f9e3fd0addb3461
Diameter
42255848
Circumference
132750661.64801
Area
1.4023729451244E+15
Volume
3.9505638672326E+22
Surface area
5.6094917804976E+15
Circumference
132750661.64801
Perimeter
84511696
Area
446389172549776
Diagonal
29879396.665588
Surface area
2678335035298656
Volume
9.4312765120546E+21
Space diagonal
36594637.826454
Perimeter
63383772
Area
1.9329218170121E+14
Altitude
18297318.913227
Surface area
1.9329218170121E+14
Volume
1.1114865961532E+21
Height
9959798.8885293