42720909 is an odd 8-digits composite number following 42720908
and preceding 42720910 . In scientific notation, it is written as 4.2720909 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 21902400 positive integers (up to 42720909) that are relatively prime to 42720909.
42720909 has 32 divisors, whose sum is 71946240
The reverse of 42720909 is 90902724
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
forty-two million seven hundred twenty thousand nine hundred nine
Scientific notation
4.2720909 × 10^7
Engineering notation
4.2720909 × 10^6
Prime Factorization
3 × 7 × 11 × 79 × 2341
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
42720909
Product of the distinct prime numbers
The prime factorization of 42720909 is 3 × 7 × 11 × 79 × 2341.
Since it has a total of 5 prime factors.
8 , 5 , 17 , 62 , 296 , 341 , 9989 , 5818 , 9557 , 3862 , 605532 , 652125 , 3235911 , 8894591 , 53463147 , 95186123 , 8081124 , 876025410 , 4911004034 , 3317980056
n×2
85441818
n×3
128162727
n×4
170883636
n×5
213604545
n÷2
21360454.5
n÷3
14240303
n÷3
10680227.25
n÷5
8544181.8
n2
1825076065786281
n3
7.7968908524534E+22
n4
3.3309026459059E+30
n5
1.4229918882361E+38
2 √n
6536.1233923481
3 √n
349.58020144657
4 √n
80.846294858504
5 √n
33.58366560637
1 , 3 , 7 , 11 , 21 , 33 , 77 , 79 , 231 , 237 , 553 , 869 , 1659 , 2341 , 2607 , 6083 , 7023 , 16387 , 18249 , 25751 , 49161 , 77253 , 180257 , 184939 , 540771 , 554817 , 1294573 , 2034329 , 3883719 , 6102987 , 14240303 , 42720909
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42720908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42720909 can be divided by 32 positive divisors.
The sum of these divisors (counting 42720909) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10100010111101111010001101
3
Ternary
2222101110001220
4
Quaternary
2202331322031
5
Quinary
41414032114
6
Senary
4123353553
8
Octal
242757215
10
Decimal
42720909
12
Duodecimal
123828b9
16
Hexadecimal
28bde8d
20
Vigesimal
d70259
36
Base36
pfnnx
md5
326fe68b3a4d0870386a7ad8e0d72b33
sha1
203a235ee17a373541eee72dd0c001a4b3923c18
sha256
e4c9c3488baed610191808fd7f131307066025b48905e2059781aa931b2af118
sha512
a51f58b7b4590880b84b2e8c107b482d89de4d757b02296f41e751142f2fc98c8a09c7fabc600f7bdf176f634fdc0667f2f5daa4a856d2ad3f8f21c6233357bc
ripemd-160
20260d15e49806332edf75674e844566ea746e0b
Diameter
85441818
Circumference
268423387.73816
Area
5.7336455605167E+15
Volume
3.2659540030545E+23
Surface area
2.2934582242067E+16
Circumference
268423387.73816
Perimeter
170883636
Area
1825076065786281
Diagonal
60416488.904707
Surface area
10950456394717686
Volume
7.7968908524534E+22
Space diagonal
73994784.933527
Perimeter
128162727
Area
7.9028111840494E+14
Altitude
36997392.466763
Surface area
7.9028111840494E+14
Volume
9.1887239899019E+21
Height
20138829.634902