21127980 is an even 8-digits composite number following 21127979
and preceding 21127981 . In scientific notation, it is written as 2.1127980 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 5634112 positive integers (up to 21127980) that are relatively prime to 21127980.
21127980 has 24 divisors, whose sum is 59158512
The reverse of 21127980 is 08972112
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred twenty-seven thousand nine hundred eighty
Scientific notation
2.1127980 × 10^7
Engineering notation
2.1127980 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 352133
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10563990
Product of the distinct prime numbers
The prime factorization of 21127980 is 2 × 2 × 3 × 5 × 352133.
Since it has a total of 5 prime factors.
8 , 6 , 15 , 16 , 542 , 410 , 9265 , 5285 , 20467 , 77606 , 208351 , 181778 , 5262197 , 2113320 , 19210013 , 2211302 , 126692028 , 798628122 , 3077164770 , 3006302292
n×2
42255960
n×3
63383940
n×4
84511920
n×5
105639900
n÷2
10563990
n÷3
7042660
n÷3
5281995
n÷5
4225596
n2
446391538880400
n3
9.4313515056343E+21
n4
1.9926540598401E+29
n5
4.2100755123221E+36
2 √n
4596.5182475435
3 √n
276.45173869127
4 √n
67.797627152751
5 √n
29.172362089415
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 352133 , 704266 , 1056399 , 1408532 , 1760665 , 2112798 , 3521330 , 4225596 , 5281995 , 7042660 , 10563990 , 21127980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21127979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21127980 can be divided by 24 positive divisors.
The sum of these divisors (counting 21127980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100110001100101100
3
Ternary
1110202102010210
4
Quaternary
1100212030230
5
Quinary
20402043410
6
Senary
2032502420
8
Octal
120461454
10
Decimal
21127980
12
Duodecimal
70aaa10
16
Hexadecimal
142632c
20
Vigesimal
6c0jj0
36
Base36
ckugc
md5
aa9c50bfb17fdd95be139a8b417b091b
sha1
41efcfa53083b7d31e84d62cc8efeef6cf887122
sha256
81698f034eccfda641cfa65c13566a3f0efb91c2d7b67c77860482ed8b795f04
sha512
5a4dfe62c6502f326e73d2465ecbcc84a0f5e5a3cb9551dcaec776afd81c99c339754942254257f8a0736313504ffd836655e71587183581e0b04769ad91e671
ripemd-160
6e93320540d49743a4031e9174998b49b2c8bf2e
Diameter
42255960
Circumference
132751013.50638
Area
1.4023803791713E+15
Volume
3.9505952804698E+22
Surface area
5.6095215166852E+15
Circumference
132751013.50638
Perimeter
84511920
Area
446391538880400
Diagonal
29879475.861548
Surface area
2678349233282400
Volume
9.4313515056343E+21
Space diagonal
36594734.821299
Perimeter
63383940
Area
1.9329320635243E+14
Altitude
18297367.41065
Surface area
1.9329320635243E+14
Volume
1.1114954342313E+21
Height
9959825.2871825