39998981 is an odd 8-digits composite number following 39998980
and preceding 39998982 . In scientific notation, it is written as 3.9998981 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 35766000 positive integers (up to 39998981) that are relatively prime to 39998981.
39998981 has 8 divisors, whose sum is 44351328
The reverse of 39998981 is 18989993
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
thirty-nine million nine hundred ninety-eight thousand nine hundred eighty-one
Scientific notation
3.9998981 × 10^7
Engineering notation
3.9998981 × 10^6
Prime Factorization
11 × 61 × 59611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
39998981
Product of the distinct prime numbers
The prime factorization of 39998981 is 11 × 61 × 59611.
Since it has a total of 3 prime factors.
10 , 4 , 73 , 41 , 122 , 165 , 8045 , 4234 , 42564 , 99535 , 131558 , 103011 , 6748014 , 9996885 , 36044966 , 62672943 , 321389101 , 706670557 , 5838749553 , 9570257448
n×2
79997962
n×3
119996943
n×4
159995924
n×5
199994905
n÷2
19999490.5
n÷3
13332993.666667
n÷3
9999745.25
n÷5
7999796.2
n2
1599918481038361
n3
6.3995108924602E+22
n4
2.5597391459681E+30
n5
1.0238695746453E+38
2 √n
6324.4747608003
3 √n
341.99228520153
4 √n
79.526566383821
5 √n
33.144371300247
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
-39998980
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 39998981 can be divided by 8 positive divisors.
The sum of these divisors (counting 39998981) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011000100101011000000101
3
Ternary
2210021011021202
4
Quaternary
2120211120011
5
Quinary
40214431411
6
Senary
3545152245
8
Octal
230453005
10
Decimal
39998981
12
Duodecimal
1148b685
16
Hexadecimal
2625605
20
Vigesimal
c9jh91
36
Base36
ntbet
md5
d70be03431de72c0f1efb17fae5ceaac
sha1
a61d2f1e618f45bd785f6fdaf157545ed254491a
sha256
00002c65655b74749b3242c80e027f143b8907b22b3d5cc27d4dcac6f4b99514
sha512
014ed3c9c8cbc5d593656063816aac3fac1211fd9086ffc33a390c56cc603baefb58fd4b8560ff5928f56b6b98a1d7f71a065413e2439bb1f187ed0e4f7c260a
ripemd-160
704d905d551de570fe7d96015f585a820688b624
Diameter
79997962
Circumference
251321009.72136
Area
5.0262921463727E+15
Volume
2.6806208541761E+23
Surface area
2.0105168585491E+16
Circumference
251321009.72136
Perimeter
159995924
Area
1599918481038361
Diagonal
56567101.411304
Surface area
9599510886230166
Volume
6.3995108924602E+22
Space diagonal
69280267.342982
Perimeter
119996943
Area
6.9278502428172E+14
Altitude
34640133.671491
Surface area
6.9278502428172E+14
Volume
7.541895913893E+21
Height
18855700.470435