21139976 is an even 8-digits composite number following 21139975
and preceding 21139977 . In scientific notation, it is written as 2.1139976 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors.
There are 8340480 positive integers (up to 21139976) that are relatively prime to 21139976.
21139976 has 32 divisors, whose sum is 43476480
The reverse of 21139976 is 67993112
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million one hundred thirty-nine thousand nine hundred seventy-six
Scientific notation
2.1139976 × 10^7
Engineering notation
2.1139976 × 10^6
Prime Factorization
2 × 2 × 2 × 221 × 11 × 1087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5284994
Product of the distinct prime numbers
The prime factorization of 21139976 is 2 × 2 × 2 × 221 × 11 × 1087.
Since it has a total of 6 prime factors.
10 , 8 , 81 , 91 , 369 , 69 , 7452 , 7083 , 61204 , 50418 , 526092 , 912608 , 3706592 , 941571 , 21023122 , 43734258 , 228740352 , 106182139 , 9111672234 , 9117139316
n×2
42279952
n×3
63419928
n×4
84559904
n×5
105699880
n÷2
10569988
n÷3
7046658.6666667
n÷3
5284994
n÷5
4227995.2
n2
446898585280576
n3
9.4474253672653E+21
n4
1.9971834552578E+29
n5
4.2220410311747E+36
2 √n
4597.8229630989
3 √n
276.50404985419
4 √n
67.807248602926
5 √n
29.175674021788
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 221 , 442 , 884 , 1087 , 1768 , 2174 , 2431 , 4348 , 4862 , 8696 , 9724 , 11957 , 19448 , 23914 , 47828 , 95656 , 240227 , 480454 , 960908 , 1921816 , 2642497 , 5284994 , 10569988 , 21139976
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21139975
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21139976 can be divided by 32 positive divisors.
The sum of these divisors (counting 21139976) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000101001001000001000
3
Ternary
1110210000121002
4
Quaternary
1100221020020
5
Quinary
20402434401
6
Senary
2033034132
8
Octal
120511010
10
Decimal
21139976
12
Duodecimal
70b5948
16
Hexadecimal
1429208
20
Vigesimal
6c29ig
36
Base36
cl3pk
md5
39c39f58caf1ff5adcf316ef615a2b25
sha1
3b856b5072680e69b0a53ab2e6dce4cdc1d480d6
sha256
d98679c288ce1d652b3ad340bb1692efc36cc5e7095d085392c352077f92f497
sha512
4f70cf952113932aa317ef2fa8deadba2a61424203a2475629aa44fb302c7fc084a7e271c1f695d7a86a927ce20a9add48f03b6f936133f2deef67802755751e
ripemd-160
a2fbf28455d0e66ae2901b0a9e96e59668cbed64
Diameter
42279952
Circumference
132826386.59733
Area
1.4039733124171E+15
Volume
3.9573282838851E+22
Surface area
5.6158932496685E+15
Circumference
132826386.59733
Perimeter
84559904
Area
446898585280576
Diagonal
29896440.767442
Surface area
2681391511683456
Volume
9.4474253672653E+21
Space diagonal
36615512.502787
Perimeter
63419928
Area
1.9351276388415E+14
Altitude
18307756.251393
Surface area
1.9351276388415E+14
Volume
1.1133897569912E+21
Height
9965480.2558139