21371788 is an even 8-digits composite number following 21371787
and preceding 21371789 . In scientific notation, it is written as 2.1371788 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 10020864 positive integers (up to 21371788) that are relatively prime to 21371788.
21371788 has 24 divisors, whose sum is 39744432
The reverse of 21371788 is 88717312
Previous prime number is 467
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 seven hundred eighty-eight
Scientific notation
2.1371788 × 10^7
Engineering notation
2.1371788 × 10^6
Prime Factorization
2 × 2 × 17 × 467 × 673
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10685894
Product of the distinct prime numbers
The prime factorization of 21371788 is 2 × 2 × 17 × 467 × 673.
Since it has a total of 5 prime factors.
9 , 8 , 95 , 84 , 794 , 27 , 446 , 4680 , 71414 , 2066 , 657564 , 414863 , 7521115 , 7625469 , 71860213 , 45011673 , 932949664 , 546826950 , 2978112671 , 2062619736
n×2
42743576
n×3
64115364
n×4
85487152
n×5
106858940
n÷2
10685894
n÷3
7123929.3333333
n÷3
5342947
n÷5
4274357.6
n2
456753322316944
n3
9.7616351728534E+21
n4
2.0862359744757E+29
n5
4.4586592964467E+36
2 √n
4622.9631190396
3 √n
277.51105331618
4 √n
67.992375447837
5 √n
29.239380809099
1 , 2 , 4 , 17 , 34 , 68 , 467 , 673 , 934 , 1346 , 1868 , 2692 , 7939 , 11441 , 15878 , 22882 , 31756 , 45764 , 314291 , 628582 , 1257164 , 5342947 , 10685894 , 21371788
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
-21371787
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 21371788 can be divided by 24 positive divisors.
The sum of these divisors (counting 21371788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001100001101110001100
3
Ternary
1111012210120201
4
Quaternary
1101201232030
5
Quinary
20432344123
6
Senary
2042023244
8
Octal
121415614
10
Decimal
21371788
12
Duodecimal
71a7b24
16
Hexadecimal
1461b8c
20
Vigesimal
6db998
36
Base36
cq2ks
md5
bae5de058867faffb9cf47aff55c19e2
sha1
bf0351807b9a4ae8ea89b4ff6f4112348ba8076a
sha256
4664bcf1cae32abbc9eb344d2d9ed38954e7c01fc15f888c3f9c2053ff796269
sha512
7b32310af1ab0b5b2ab431302a73ad9e28d4b59dc6ce2910c21fe197b5d66a2c36c8be177ab77645289a47d9c8bdd40026f2d167e4c00ea4873b9f6171de883e
ripemd-160
3a47f958b0b164eaaae51f2207f09b77ad3b03ab
Diameter
42743576
Circumference
134282904.34976
Area
1.4349328818936E+15
Volume
4.0889441794747E+22
Surface area
5.7397315275746E+15
Circumference
134282904.34976
Perimeter
85487152
Area
456753322316944
Diagonal
30224272.441763
Surface area
2740519933901664
Volume
9.7616351728534E+21
Space diagonal
37017022.664591
Perimeter
64115364
Area
1.9777999019471E+14
Altitude
18508511.332295
Surface area
1.9777999019471E+14
Volume
1.150419737699E+21
Height
10074757.480588