21138079 is an odd 8-digits composite number following 21138078
and preceding 21138080 . In scientific notation, it is written as 2.1138079 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 21102984 positive integers (up to 21138079) that are relatively prime to 21138079.
21138079 has 4 divisors, whose sum is 21173176
The reverse of 21138079 is 97083112
Previous prime number is 613
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million one hundred thirty-eight thousand seventy-nine
Scientific notation
2.1138079 × 10^7
Engineering notation
2.1138079 × 10^6
Prime Factorization
613 × 34483
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21138079
Product of the distinct prime numbers
The prime factorization of 21138079 is 613 × 34483.
Since it has a total of 2 prime factors.
1 , 6 , 87 , 10 , 252 , 176 , 1640 , 783 , 32380 , 38731 , 138338 , 991499 , 1062437 , 803549 , 62701623 , 41898812 , 837795401 , 509592212 , 9053474398 , 5100215063
n×2
42276158
n×3
63414237
n×4
84552316
n×5
105690395
n÷2
10569039.5
n÷3
7046026.3333333
n÷3
5284519.75
n÷5
4227615.8
n2
446818383810241
n3
9.4448822956332E+21
n4
1.996466681108E+29
n5
4.2201470426128E+36
2 √n
4597.6166651864
3 √n
276.49577889127
4 √n
67.80572737746
5 √n
29.175150385997
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
-21138078
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 21138079 can be divided by 4 positive divisors.
The sum of these divisors (counting 21138079) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101000101010011111
3
Ternary
1110202220222211
4
Quaternary
1100220222133
5
Quinary
20402404304
6
Senary
2033021251
8
Octal
120505237
10
Decimal
21138079
12
Duodecimal
70b4827
16
Hexadecimal
1428a9f
20
Vigesimal
6c253j
36
Base36
cl28v
md5
9ce33ab04d1f5afdca9b080ba3d1f4d8
sha1
c4db048157efda1a84f917b373ace8acf2041f84
sha256
c19b046f37528239c32d4931c07866e3863d895fe38bfbd18544799933880870
sha512
4e186236e79aa00f7ada5e33edc29cd664521dc617deda67c2eca799f059353082f2a9ea9d59edba8b6897ef210fc087be5db4a8aed0f801869897d6c898e69f
ripemd-160
0cf787c3c6a6d0209487bc2ec19297b390137134
Diameter
42276158
Circumference
132814467.3948
Area
1.4037213520671E+15
Volume
3.9562630445309E+22
Surface area
5.6148854082685E+15
Circumference
132814467.3948
Perimeter
84552316
Area
446818383810241
Diagonal
29893758.004314
Surface area
2680910302861446
Volume
9.4448822956332E+21
Space diagonal
36612226.802405
Perimeter
63414237
Area
1.9347803562879E+14
Altitude
18306113.401202
Surface area
1.9347803562879E+14
Volume
1.1130900531252E+21
Height
9964586.001438