21379912 is an even 8-digits composite number following 21379911
and preceding 21379913 . In scientific notation, it is written as 2.1379912 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors.
There are 10676496 positive integers (up to 21379912) that are relatively prime to 21379912.
21379912 has 16 divisors, whose sum is 40137840
The reverse of 21379912 is 21997312
Previous prime number is 2083
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million three hundred seventy-nine thousand nine hundred twelve
Scientific notation
2.1379912 × 10^7
Engineering notation
2.1379912 × 10^6
Prime Factorization
2 × 2 × 2 × 2083 × 1283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5344978
Product of the distinct prime numbers
The prime factorization of 21379912 is 2 × 2 × 2 × 2083 × 1283.
Since it has a total of 5 prime factors.
9 , 4 , 92 , 44 , 938 , 869 , 1678 , 3610 , 93301 , 70 , 293015 , 622614 , 107899 , 9091458 , 97981777 , 21586603 , 104171558 , 92861570 , 8038168217 , 6688546581
n×2
42759824
n×3
64139736
n×4
85519648
n×5
106899560
n÷2
10689956
n÷3
7126637.3333333
n÷3
5344978
n÷5
4275982.4
n2
457100637127744
n3
9.7727713969351E+21
n4
2.0894099246259E+29
n5
4.4671400320428E+36
2 √n
4623.8416927918
3 √n
277.54621203714
4 √n
67.998835966447
5 √n
29.241603408534
1 , 2 , 4 , 8 , 1283 , 2083 , 2566 , 4166 , 5132 , 8332 , 10264 , 16664 , 2672489 , 5344978 , 10689956 , 21379912
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21379911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21379912 can be divided by 16 positive divisors.
The sum of these divisors (counting 21379912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100011101101001000
3
Ternary
1111020012201121
4
Quaternary
1101203231020
5
Quinary
20433124122
6
Senary
2042125024
8
Octal
121435510
10
Decimal
21379912
12
Duodecimal
71b0774
16
Hexadecimal
1463b48
20
Vigesimal
6dc9fc
36
Base36
cq8ug
md5
7c433dda5089ccce01519bb9350cc098
sha1
1ef1feffd7a50ff7e7bc82f98f50d2a1e61ae5b3
sha256
153a7d5095964529db6731102feb0b7695f40b59aa44cedaf488e401f0692440
sha512
9cc978d876ee90e384fa412829bcf5325048af3893084721964a38b7b12ba7624af7741739d45d5e069fcc0760481dfd10919cb577b217d4d108fa58e81d554e
ripemd-160
150b01ef6e7884386e515fd92ec6af04bd9c02e4
Diameter
42759824
Circumference
134333948.94719
Area
1.4360240035517E+15
Volume
4.0936089101098E+22
Surface area
5.7440960142069E+15
Circumference
134333948.94719
Perimeter
85519648
Area
457100637127744
Diagonal
30235761.512743
Surface area
2742603822766464
Volume
9.7727713969351E+21
Space diagonal
37031093.845352
Perimeter
64139736
Area
1.9793038191934E+14
Altitude
18515546.922676
Surface area
1.9793038191934E+14
Volume
1.1517321542931E+21
Height
10078587.170914