39842921 is an odd 8-digits prime number following 39842920
and preceding 39842922 . In scientific notation, it is written as 3.9842921 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 39842920 positive integers (up to 39842921) that are relatively prime to 39842921.
39842921 has 2 divisors, whose sum is 39842922
The reverse of 39842921 is 12924893
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty-nine million eight hundred forty-two thousand nine hundred twenty-one
Scientific notation
3.9842921 × 10^7
Engineering notation
3.9842921 × 10^6
Prime Factorization
39842921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
39842921
Product of the distinct prime numbers
The prime factorization of 39842921 is 39842921.
Since it has a total of 1 prime factors.
2 , 9 , 3 , 73 , 734 , 528 , 3863 , 8696 , 2241 , 16342 , 580926 , 949030 , 4287632 , 2075168 , 87188583 , 81425681 , 523389459 , 206218440 , 9558071651 , 3102473824
n×2
79685842
n×3
119528763
n×4
159371684
n×5
199214605
n÷2
19921460.5
n÷3
13280973.666667
n÷3
9960730.25
n÷5
7968584.2
n2
1587458353812241
n3
6.3248977781731E+22
n4
2.5200240250883E+30
n5
1.0040511814969E+38
2 √n
6312.1249195497
3 √n
341.54693320587
4 √n
79.448882431093
5 √n
33.118467630552
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
39842922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
19921461
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
6312.1249987623
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999498029
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 39842921 can be divided by 2 positive divisors.
The sum of these divisors (counting 39842921) is 39842922, the average is 19921461.
Base
System
Value
2
Binary
10010111111111010001101001
3
Ternary
2202222020012202
4
Quaternary
2113333101221
5
Quinary
40144433141
6
Senary
3541545545
8
Octal
227772151
10
Decimal
39842921
12
Duodecimal
114152b5
16
Hexadecimal
25ff469
20
Vigesimal
c90761
36
Base36
npyzt
md5
05f590928973a7b69db5ddb2dcaade0a
sha1
445ca3b2630054e0c7f91dba277345ec0267c57e
sha256
6b191b7acce236b9146da61b166a90c4ea004cc8150d4002795c43f2711ae0b5
sha512
66f927e7a74158c726e9a2ab543c4ce520389def0ad48f5556e73471e7f11ad5204fa6392c85ed0b3dd2fbdba61bf843d544b6ead8773942085c24ffa2dab234
ripemd-160
f292d185e5830509bec973df8dfd672ce8b8540e
Diameter
79685842
Circumference
250340455.82232
Area
4.9871475022163E+15
Volume
2.6493669859487E+23
Surface area
1.9948590008865E+16
Circumference
250340455.82232
Perimeter
159371684
Area
1587458353812241
Diagonal
56346399.24276
Surface area
9524750122873446
Volume
6.3248977781731E+22
Space diagonal
69009963.493953
Perimeter
119528763
Area
6.8738963092561E+14
Altitude
34504981.746976
Surface area
6.8738963092561E+14
Volume
7.4539635154299E+21
Height
18782133.08092