139047981 is an odd 9-digits composite number following 139047980
and preceding 139047982 . In scientific notation, it is written as 1.39047981 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 85941504 positive integers (up to 139047981) that are relatively prime to 139047981.
139047981 has 16 divisors, whose sum is 199237824
The reverse of 139047981 is 189740931
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred thirty-nine million forty-seven thousand nine hundred eighty-one
Scientific notation
1.39047981 × 10^8
Engineering notation
1.39047981 × 10^6
Prime Factorization
17 × 3 × 67 × 40693
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
139047981
Product of the distinct prime numbers
The prime factorization of 139047981 is 17 × 3 × 67 × 40693.
Since it has a total of 4 prime factors.
3 , 1 , 9 , 82 , 345 , 373 , 2640 , 5640 , 35939 , 58893 , 680979 , 604593 , 9740858 , 3780826 , 49504156 , 39737953 , 385152196 , 893041896 , 94681095 , 4679602839
n×2
278095962
n×3
417143943
n×4
556191924
n×5
695239905
n÷2
69523990.5
n÷3
46349327
n÷3
34761995.25
n÷5
27809596.2
n2
19334341020176361
n3
2.688401082821E+24
n4
3.7381674268447E+32
n5
5.1978463334273E+40
2 √n
11791.860794633
3 √n
518.0697433461
4 √n
108.59033472014
5 √n
42.523885240212
1 , 3 , 17 , 51 , 67 , 201 , 1139 , 3417 , 40693 , 122079 , 691781 , 2075343 , 2726431 , 8179293 , 46349327 , 139047981
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
-139047980
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 139047981 can be divided by 16 positive divisors.
The sum of these divisors (counting 139047981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010010011011010000101101
3
Ternary
100200122100222020
4
Quaternary
20102123100231
5
Quinary
241044013411
6
Senary
21444140353
8
Octal
1022332055
10
Decimal
139047981
12
Duodecimal
3a6976b9
16
Hexadecimal
849b42d
20
Vigesimal
2390jj1
36
Base36
2asa3x
md5
a850c0c57ef4f0377359af8b59b47e51
sha1
b955cce15c6935079173d9103546e6182d44dccb
sha256
3523042789fb3f0d5b87c97194c97b6af65fa8162a004a84e7b6f4b455dacda9
sha512
d106fe24f66885760ce88cd1d80d15ff1e0eb7a4ca73ffafa1a06b7f2911dee79f62e8c84a7e020f7a62156d5b97adfa10e7d5ff39ee22a6af5114fac60f0e7e
ripemd-160
93f8a20a63858ce4af0502a87e9d73c993470161
Diameter
278095962
Circumference
873664231.21219
Area
6.0740623710986E+16
Volume
1.1261148122258E+25
Surface area
2.4296249484394E+17
Circumference
873664231.21219
Perimeter
556191924
Area
19334341020176361
Diagonal
196643540.5508
Surface area
116006046121058166
Volume
2.688401082821E+24
Space diagonal
240838167.78187
Perimeter
417143943
Area
8.3720152444521E+15
Altitude
120419083.89094
Surface area
8.3720152444521E+15
Volume
3.1683110603533E+23
Height
65547846.850265