21371878 is an even 8-digits composite number following 21371877
and preceding 21371879 . In scientific notation, it is written as 2.1371878 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 9684360 positive integers (up to 21371878) that are relatively prime to 21371878.
21371878 has 16 divisors, whose sum is 35080704
The reverse of 21371878 is 87817312
Previous prime number is 367
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million three hundred seventy-one thousand eight hundred seventy-eight
Scientific notation
2.1371878 × 10^7
Engineering notation
2.1371878 × 10^6
Prime Factorization
2 × 11 × 367 × 2647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21371878
Product of the distinct prime numbers
The prime factorization of 21371878 is 2 × 11 × 367 × 2647.
Since it has a total of 4 prime factors.
9 , 8 , 9 , 8 , 448 , 703 , 4786 , 4914 , 74292 , 86462 , 857091 , 91934 , 91796 , 676508 , 41118298 , 93718637 , 259332563 , 113558707 , 4401339801 , 7932699063
n×2
42743756
n×3
64115634
n×4
85487512
n×5
106859390
n÷2
10685939
n÷3
7123959.3333333
n÷3
5342969.5
n÷5
4274375.6
n2
456757169246884
n3
9.7617584967698E+21
n4
2.0862711165843E+29
n5
4.4587531778563E+36
2 √n
4622.972853046
3 √n
277.51144286337
4 √n
67.992447029402
5 √n
29.239405435394
1 , 2 , 11 , 22 , 367 , 734 , 2647 , 4037 , 5294 , 8074 , 29117 , 58234 , 971449 , 1942898 , 10685939 , 21371878
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
-21371877
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 21371878 can be divided by 16 positive divisors.
The sum of these divisors (counting 21371878) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100001101111100110
3
Ternary
1111012210201001
4
Quaternary
1101201233212
5
Quinary
20432400003
6
Senary
2042023514
8
Octal
121415746
10
Decimal
21371878
12
Duodecimal
71a7b9a
16
Hexadecimal
1461be6
20
Vigesimal
6db9di
36
Base36
cq2na
md5
532c9b6bb963d754cb4d24e6361e86c0
sha1
0fc10c8b8cc180e36f517e62ffdee6b8f2eae225
sha256
d2ec314e0cbfacb262ab80ccfd6f4f8e2cceaada2fe1286f46a0234173be9381
sha512
3d700e9d0e2f541caf25ce080c432670ac1a7c6594fb0f7f84d0ad32a28e2e9a6113c8ad155f51c847c64ad349e8bde8df87bd6a87c2b8d29795d294ec6c5bc7
ripemd-160
bba248c60e1e51814c6266bb16a080f65d549968
Diameter
42743756
Circumference
134283469.83643
Area
1.4349449673805E+15
Volume
4.0889958372759E+22
Surface area
5.7397798695219E+15
Circumference
134283469.83643
Perimeter
85487512
Area
456757169246884
Diagonal
30224399.720983
Surface area
2740543015481304
Volume
9.7617584967698E+21
Space diagonal
37017178.549164
Perimeter
64115634
Area
1.9778165596423E+14
Altitude
18508589.274582
Surface area
1.9778165596423E+14
Volume
1.1504342715619E+21
Height
10074799.906994