39720021 is an odd 8-digits composite number following 39720020
and preceding 39720022 . In scientific notation, it is written as 3.9720021 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 22704000 positive integers (up to 39720021) that are relatively prime to 39720021.
39720021 has 16 divisors, whose sum is 54468288
The reverse of 39720021 is 12002793
Previous prime number is 341
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
thirty-nine million seven hundred twenty thousand twenty-one
Scientific notation
3.9720021 × 10^7
Engineering notation
3.9720021 × 10^6
Prime Factorization
41 × 3 × 341 × 947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39720021
Product of the distinct prime numbers
The prime factorization of 39720021 is 41 × 3 × 341 × 947.
Since it has a total of 4 prime factors.
10 , 10 , 95 , 60 , 222 , 107 , 5855 , 8064 , 51444 , 9107 , 802312 , 708200 , 8105340 , 1290596 , 99680115 , 82561461 , 622428360 , 817634501 , 1314688266 , 4990733359
n×2
79440042
n×3
119160063
n×4
158880084
n×5
198600105
n÷2
19860010.5
n÷3
13240007
n÷3
9930005.25
n÷5
7944004.2
n2
1577680068240441
n3
6.2665485441792E+22
n4
2.4890743977232E+30
n5
9.8866087348126E+37
2 √n
6302.3821686724
3 √n
341.19539144152
4 √n
79.387544165772
5 √n
33.098010841968
1 , 3 , 41 , 123 , 341 , 947 , 1023 , 2841 , 13981 , 38827 , 41943 , 116481 , 322927 , 968781 , 13240007 , 39720021
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
-39720020
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 39720021 can be divided by 16 positive divisors.
The sum of these divisors (counting 39720021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010111100001010001010101
3
Ternary
2202201222121220
4
Quaternary
2113201101111
5
Quinary
40132020041
6
Senary
3535200553
8
Octal
227412125
10
Decimal
39720021
12
Duodecimal
11376159
16
Hexadecimal
25e1455
20
Vigesimal
c85011
36
Base36
nnc5x
md5
0c39bb227f827245299ec2a52af41279
sha1
da1ccb7449c1d865b8b6459663f03698100b5aef
sha256
3491f5e950f0ea0f175d13f1eec38c3e547cb48d82e1b883e2261facf165a8ca
sha512
3058a0098d643e2b91132eea4268c8fae17597a3a5d939275a951edb384f829b67854eba3b69877d656c67099e38ab9554ac197c62055d73d4e8ff1689aafbde
ripemd-160
b6297a6913337eae4399e3768635395905c54da2
Diameter
79440042
Circumference
249568252.34806
Area
4.9564281120992E+15
Volume
2.6249257159676E+23
Surface area
1.9825712448397E+16
Circumference
249568252.34806
Perimeter
158880084
Area
1577680068240441
Diagonal
56172592.395944
Surface area
9466080409442646
Volume
6.2665485441792E+22
Space diagonal
68797094.449703
Perimeter
119160063
Area
6.8315550907029E+14
Altitude
34398547.224851
Surface area
6.8315550907029E+14
Volume
7.3851982837063E+21
Height
18724197.465315