21371816 is an even 8-digits composite number following 21371815
and preceding 21371817 . In scientific notation, it is written as 2.1371816 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 10575360 positive integers (up to 21371816) that are relatively prime to 21371816.
21371816 has 16 divisors, whose sum is 40486740
The reverse of 21371816 is 61817312
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million three hundred seventy-one thousand eight hundred sixteen
Scientific notation
2.1371816 × 10^7
Engineering notation
2.1371816 × 10^6
Prime Factorization
2 × 2 × 2 × 97 × 27541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5342954
Product of the distinct prime numbers
The prime factorization of 21371816 is 2 × 2 × 2 × 97 × 27541.
Since it has a total of 5 prime factors.
1 , 2 , 72 , 23 , 653 , 433 , 7092 , 9168 , 3870 , 61388 , 355135 , 695873 , 8014773 , 8679939 , 26209898 , 87532277 , 906683892 , 947783090 , 5421368296 , 6415518440
n×2
42743632
n×3
64115448
n×4
85487264
n×5
106859080
n÷2
10685908
n÷3
7123938.6666667
n÷3
5342954
n÷5
4274363.2
n2
456754519137856
n3
9.7616735401827E+21
n4
2.0862469075285E+29
n5
4.4586885038269E+36
2 √n
4622.9661473993
3 √n
277.51117450876
4 √n
67.992397717681
5 √n
29.239388470622
1 , 2 , 4 , 8 , 97 , 194 , 388 , 776 , 27541 , 55082 , 110164 , 220328 , 2671477 , 5342954 , 10685908 , 21371816
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
-21371815
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 21371816 can be divided by 16 positive divisors.
The sum of these divisors (counting 21371816) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100001101110101000
3
Ternary
1111012210121202
4
Quaternary
1101201232220
5
Quinary
20432344231
6
Senary
2042023332
8
Octal
121415650
10
Decimal
21371816
12
Duodecimal
71a7b48
16
Hexadecimal
1461ba8
20
Vigesimal
6db9ag
36
Base36
cq2lk
md5
c77fbc0efe53a473f88e255755febb3a
sha1
09d4df8a5c3e7447ed9a5ae2b3468671ee154485
sha256
22cceca0c276f42f46e1910692ad4b77a21d5b8df9784e1e91b9cc4b50b4a931
sha512
becb3eae1f8e78cb981222fd64631ca01f039a686841fbc9876c557b03037bef7dc48459784625753c62fc8cee25caa88443ee20f550514b6b1281f9977e4fe9
ripemd-160
2d3f9d3a1ad154c3506d1d920fc3dfe9f663e19d
Diameter
42743632
Circumference
134283080.27895
Area
1.4349366418174E+15
Volume
4.088960250744E+22
Surface area
5.7397465672697E+15
Circumference
134283080.27895
Perimeter
85487264
Area
456754519137856
Diagonal
30224312.039742
Surface area
2740527114827136
Volume
9.7616735401827E+21
Space diagonal
37017071.162013
Perimeter
64115448
Area
1.9778050843336E+14
Altitude
18508535.581007
Surface area
1.9778050843336E+14
Volume
1.1504242593321E+21
Height
10074770.679914