21376885 is an odd 8-digits composite number following 21376884
and preceding 21376886 . In scientific notation, it is written as 2.1376885 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 17101504 positive integers (up to 21376885) that are relatively prime to 21376885.
21376885 has 4 divisors, whose sum is 25652268
The reverse of 21376885 is 58867312
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million three hundred seventy-six thousand eight hundred eighty-five
Scientific notation
2.1376885 × 10^7
Engineering notation
2.1376885 × 10^6
Prime Factorization
5 × 4275377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21376885
Product of the distinct prime numbers
The prime factorization of 21376885 is 5 × 4275377.
Since it has a total of 2 prime factors.
6 , 4 , 55 , 100 , 847 , 772 , 2047 , 5374 , 34178 , 42482 , 534328 , 372757 , 138570 , 9313921 , 54020930 , 58948824 , 776804607 , 654172386 , 3446247153 , 9419960616
n×2
42753770
n×3
64130655
n×4
85507540
n×5
106884425
n÷2
10688442.5
n÷3
7125628.3333333
n÷3
5344221.25
n÷5
4275377
n2
456971212303225
n3
9.7686210537166E+21
n4
2.0882268887388E+29
n5
4.4639786054477E+36
2 √n
4623.5143559851
3 √n
277.53311294929
4 √n
67.99642899436
5 √n
29.240775347625
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
-21376884
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 21376885 can be divided by 4 positive divisors.
The sum of these divisors (counting 21376885) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100010111101110101
3
Ternary
1111020001120111
4
Quaternary
1101202331311
5
Quinary
20433030020
6
Senary
2042103021
8
Octal
121427565
10
Decimal
21376885
12
Duodecimal
71aaa71
16
Hexadecimal
1462f75
20
Vigesimal
6dc245
36
Base36
cq6id
md5
fe599a418bbdd541e472175985ece6f2
sha1
eb53254becc1985c6f132815c93227e8e8b65d3c
sha256
65da54d0e816da281218d60b4697c16b66703ea92d54cc333548c44d23a34546
sha512
1d42d2be2349a52078af349ad6eedfd08fa226649cbd59a0d5f50ae06f4c111040d8443eff6d310f84ea76a13a17f9dc5514386623a0e9e7330e04b714424067
ripemd-160
71ee704210ed7bd1e8e62947fb5cebbf7937f0e0
Diameter
42753770
Circumference
134314929.74527
Area
1.4356174034738E+15
Volume
4.0918704184078E+22
Surface area
5.7424696138953E+15
Circumference
134314929.74527
Perimeter
85507540
Area
456971212303225
Diagonal
30231480.68829
Surface area
2741827273819350
Volume
9.7686210537166E+21
Space diagonal
37025850.927557
Perimeter
64130655
Area
1.9787433932638E+14
Altitude
18512925.463779
Surface area
1.9787433932638E+14
Volume
1.1512430316541E+21
Height
10077160.22943