21357730 is an even 8-digits composite number following 21357729
and preceding 21357731 . In scientific notation, it is written as 2.1357730 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 8543088 positive integers (up to 21357730) that are relatively prime to 21357730.
21357730 has 8 divisors, whose sum is 38443932
The reverse of 21357730 is 03775312
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million three hundred fifty-seven thousand seven hundred thirty
Scientific notation
2.1357730 × 10^7
Engineering notation
2.1357730 × 10^6
Prime Factorization
2 × 5 × 2135773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21357730
Product of the distinct prime numbers
The prime factorization of 21357730 is 2 × 5 × 2135773.
Since it has a total of 3 prime factors.
7 , 10 , 24 , 66 , 812 , 934 , 3876 , 6016 , 3695 , 64071 , 318446 , 848692 , 8716251 , 2585041 , 56183073 , 33931188 , 254965661 , 919446763 , 5258715728 , 283071015
n×2
42715460
n×3
64073190
n×4
85430920
n×5
106788650
n÷2
10678865
n÷3
7119243.3333333
n÷3
5339432.5
n÷5
4271546
n2
456152630752900
n3
9.7423847264101E+21
n4
2.0807522254279E+29
n5
4.4440144227589E+36
2 √n
4621.4424155235
3 √n
277.45019261371
4 √n
67.981191630653
5 √n
29.235533162752
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21357729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21357730 can be divided by 8 positive divisors.
The sum of these divisors (counting 21357730) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001011110010010100010
3
Ternary
1111012002022001
4
Quaternary
1101132102202
5
Quinary
20431421410
6
Senary
2041434214
8
Octal
121362242
10
Decimal
21357730
12
Duodecimal
719b96a
16
Hexadecimal
145e4a2
20
Vigesimal
6d9e6a
36
Base36
cprqa
md5
691e0fcce16975f5e51ee0a9383c32db
sha1
c4ef93df376d773d0e19480a66d897daf5d510c3
sha256
c228daf4031013453bdd8e355e27d1a91613ea86fe88f1c7fc5fff8ec6f95a0f
sha512
0dc47d66276f4864074ea1e583c3478144ece660fba276952eac16e4a9b57121636421a1780a448bd578939c832b223aae2fff44f0ff656b4dfe2681559568b8
ripemd-160
d699b76eb6770e71f7f801b2a27209a7c367db27
Diameter
42715460
Circumference
134194575.33071
Area
1.433045753689E+15
Volume
4.0808805713247E+22
Surface area
5.7321830147559E+15
Circumference
134194575.33071
Perimeter
85430920
Area
456152630752900
Diagonal
30204391.427503
Surface area
2736915784517400
Volume
9.7423847264101E+21
Space diagonal
36992673.494338
Perimeter
64073190
Area
1.9751988311756E+14
Altitude
18496336.747169
Surface area
1.9751988311756E+14
Volume
1.1481510508288E+21
Height
10068130.475834