21372740 is an even 8-digits composite number following 21372739
and preceding 21372741 . In scientific notation, it is written as 2.1372740 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 8046080 positive integers (up to 21372740) that are relatively prime to 21372740.
21372740 has 24 divisors, whose sum is 47523672
The reverse of 21372740 is 04727312
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million three hundred seventy-two thousand seven hundred forty
Scientific notation
2.1372740 × 10^7
Engineering notation
2.1372740 × 10^6
Prime Factorization
2 × 2 × 5 × 17 × 62861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10686370
Product of the distinct prime numbers
The prime factorization of 21372740 is 2 × 2 × 5 × 17 × 62861.
Since it has a total of 5 prime factors.
1 , 10 , 93 , 58 , 785 , 823 , 2161 , 5888 , 89596 , 97538 , 287269 , 633709 , 1516798 , 5865229 , 34746395 , 97356755 , 649710955 , 712981348 , 3097738656 , 553498542
n×2
42745480
n×3
64118220
n×4
85490960
n×5
106863700
n÷2
10686370
n÷3
7124246.6666667
n÷3
5343185
n÷5
4274548
n2
456794015107600
n3
9.7629397184508E+21
n4
2.0866077223812E+29
n5
4.4596524332446E+36
2 √n
4623.066082158
3 √n
277.51517380437
4 √n
67.993132610272
5 √n
29.239641296378
1 , 2 , 4 , 5 , 10 , 17 , 20 , 34 , 68 , 85 , 170 , 340 , 62861 , 125722 , 251444 , 314305 , 628610 , 1068637 , 1257220 , 2137274 , 4274548 , 5343185 , 10686370 , 21372740
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
-21372739
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 21372740 can be divided by 24 positive divisors.
The sum of these divisors (counting 21372740) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001100001111101000100
3
Ternary
1111012211212222
4
Quaternary
1101201331010
5
Quinary
20432411430
6
Senary
2042031512
8
Octal
121417504
10
Decimal
21372740
12
Duodecimal
71a8598
16
Hexadecimal
1461f44
20
Vigesimal
6dbbh0
36
Base36
cq3b8
md5
d03af92aac0875543225de3039f4c2dc
sha1
96de8f8da281e21266e455ae7f83130062d1f883
sha256
0ef890bc6812175a9e9ff3f8ad370d753c0960fcc149f46601909bdc4ec9331f
sha512
12e9c8381cf3d3e45e658226fd247efdd52acd5396a67faafdbf0db636d99520fb41e06232ac8ac8d5f7a9b666db6ad616435125a7b6a0d43c3a6d1b536362f4
ripemd-160
2bfb032665d35ac2cb7d929ead5b6473bcd1bf70
Diameter
42745480
Circumference
134288885.94217
Area
1.4350607220658E+15
Volume
4.0894906262567E+22
Surface area
5.7402428882633E+15
Circumference
134288885.94217
Perimeter
85490960
Area
456794015107600
Diagonal
30225618.773074
Surface area
2740764090645600
Volume
9.7629397184508E+21
Space diagonal
37018671.57696
Perimeter
64118220
Area
1.9779761068994E+14
Altitude
18509335.78848
Surface area
1.9779761068994E+14
Volume
1.150573479872E+21
Height
10075206.257691