39812981 is an odd 8-digits composite number following 39812980
and preceding 39812982 . In scientific notation, it is written as 3.9812981 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 36630720 positive integers (up to 39812981) that are relatively prime to 39812981.
39812981 has 8 divisors, whose sum is 43015224
The reverse of 39812981 is 18921893
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
thirty-nine million eight hundred twelve thousand nine hundred eighty-one
Scientific notation
3.9812981 × 10^7
Engineering notation
3.9812981 × 10^6
Prime Factorization
13 × 317 × 9661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
39812981
Product of the distinct prime numbers
The prime factorization of 39812981 is 13 × 317 × 9661.
Since it has a total of 3 prime factors.
8 , 6 , 54 , 64 , 795 , 206 , 4037 , 8578 , 34120 , 51122 , 239297 , 865214 , 1373416 , 3369777 , 70955988 , 28232846 , 406192097 , 24299930 , 7772237910 , 1447545596
n×2
79625962
n×3
119438943
n×4
159251924
n×5
199064905
n÷2
19906490.5
n÷3
13270993.666667
n÷3
9953245.25
n÷5
7962596.2
n2
1585073456106361
n3
6.3106499391567E+22
n4
2.512457861253E+30
n5
1.0002843709336E+38
2 √n
6309.7528477746
3 √n
341.46135984747
4 √n
79.433952739207
5 √n
33.113488753121
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
-39812980
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 39812981 can be divided by 8 positive divisors.
The sum of these divisors (counting 39812981) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010111110111111101110101
3
Ternary
2202220201010212
4
Quaternary
2113313331311
5
Quinary
40143003411
6
Senary
3541155205
8
Octal
227677565
10
Decimal
39812981
12
Duodecimal
113bbb05
16
Hexadecimal
25f7f75
20
Vigesimal
c8gc91
36
Base36
npbw5
md5
9e6db9d548499aee9c994cb3a0c1254b
sha1
e3668a6ce5e03b2b7125b2d7f7ed0853a8b0c79a
sha256
5eaf02899652b9d0738e2a666786acc775fc79f4afae025565eac94a6c6d43e1
sha512
978dce6fd73de18182842c62685a62ff95ce89343b9aa696ffe8438900e62d96007242087622f06d19b110a3d99a4548a86fe2f290659e7442a49bf079b1dcbd
ripemd-160
6123808441076a2ebf4efac6dbe1c921a08cb54e
Diameter
79625962
Circumference
250152337.25422
Area
4.9796551251039E+15
Volume
2.6433988650975E+23
Surface area
1.9918620500416E+16
Circumference
250152337.25422
Perimeter
159251924
Area
1585073456106361
Diagonal
56304057.688702
Surface area
9510440736638166
Volume
6.3106499391567E+22
Space diagonal
68958105.892774
Perimeter
119438943
Area
6.8635693992625E+14
Altitude
34479052.946387
Surface area
6.8635693992625E+14
Volume
7.4371722761203E+21
Height
18768019.229567