21371872 is an even 8-digits composite number following 21371871
and preceding 21371873 . In scientific notation, it is written as 2.1371872 × 10^7.
The sum of its digits is 31. It has a total of 7 prime factors and 24 positive divisors.
There are 10657152 positive integers (up to 21371872) that are relatively prime to 21371872.
21371872 has 24 divisors, whose sum is 42189336
The reverse of 21371872 is 27817312
Previous prime number is 1277
Is Prime? no Number parity even Number length 8 Sum of Digits 31 Digital Root 4
Name
twenty-one million three hundred seventy-one thousand eight hundred seventy-two
Scientific notation
2.1371872 × 10^7
Engineering notation
2.1371872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 1277 × 523
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
7 Total number of prime factors
rad Radical
1335742 Product of the distinct prime numbers
The prime factorization of 21371872 is 2 × 2 × 2 × 2 × 2 × 1277 × 523.
Since it has a total of 7 prime factors.
1 , 3 , 5 , 69 , 465 , 584 , 1933 , 2057 , 29312 , 6836 , 698008 , 384374 , 7387327 , 963239 , 1407526 , 19235056 , 190987602 , 510598021 , 6826769552 , 1844304761
n×2
42743744
n×3
64115616
n×4
85487488
n×5
106859360
n÷2
10685936
n÷3
7123957.3333333
n÷3
5342968
n÷5
4274374.4
n2
456756912784384
n3
9.761750275143E+21
n4
2.0862687737632E+29
n5
4.4587469190464E+36
2 √n4622.9722041128
3 √n277.51141689359
4 √n67.992442257304
5 √n29.239403793644
1 , 2 , 4 , 8 , 16 , 32 , 523 , 1046 , 1277 , 2092 , 2554 , 4184 , 5108 , 8368 , 10216 , 16736 , 20432 , 40864 , 667871 , 1335742 , 2671484 , 5342968 , 10685936 , 21371872
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-21371871 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21371872 can be divided by 24 positive divisors.
The sum of these divisors (counting 21371872) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001100001101111100000
3
Ternary
1111012210200211
4
Quaternary
1101201233200
5
Quinary
20432344442
6
Senary
2042023504
8
Octal
121415740
10
Decimal
21371872
12
Duodecimal
71a7b94
16
Hexadecimal
1461be0
20
Vigesimal
6db9dc
36
Base36
cq2n4
md5
8aba7051b26e4122e0dbbb64822e7c6e
sha1
b58860f4d6d1a198942b0c6e3d39ddfda8896e11
sha256
f276637d6c1b11f70158bc117bd9fac62872af86c940e6a04b909c343f174ce7
sha512
7433ba50ae75c4e9ea20d62406d901477520225a0b5e6c99e31fb7007bdb73814078ebf3309a919bce35c621b3b003715956d2601fed47c30650ca107d609769
ripemd-160
cdc04214a5413fb1a59d782d00e1533bbecd43a3
Diameter
42743744
Circumference
134283432.13732
Area
1.4349441616798E+15
Volume
4.088992393409E+22
Surface area
5.7397766467191E+15
Circumference
134283432.13732
Perimeter
85487488
Area
456756912784384
Diagonal
30224391.235702
Surface area
2740541476706304
Volume
9.761750275143E+21
Space diagonal
37017168.156859
Perimeter
64115616
Area
1.9778154491271E+14
Altitude
18508584.078429
Surface area
1.9778154491271E+14
Volume
1.1504333026339E+21
Height
10074797.078567