137788981 is an odd 9-digits composite number following 137788980
and preceding 137788982 . In scientific notation, it is written as 1.37788981 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 125191920 positive integers (up to 137788981) that are relatively prime to 137788981.
137788981 has 8 divisors, whose sum is 150400224
The reverse of 137788981 is 189887731
Previous prime number is 3613
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred thirty-seven million seven hundred eighty-eight thousand nine hundred eighty-one
Scientific notation
1.37788981 × 10^8
Engineering notation
1.37788981 × 10^6
Prime Factorization
11 × 3613 × 3467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
137788981
Product of the distinct prime numbers
The prime factorization of 137788981 is 11 × 3613 × 3467.
Since it has a total of 3 prime factors.
7 , 3 , 27 , 41 , 815 , 916 , 5204 , 747 , 25629 , 87989 , 796926 , 464063 , 1205652 , 4028945 , 52718179 , 17256238 , 891976853 , 699666877 , 6963075989 , 4800060666
n×2
275577962
n×3
413366943
n×4
551155924
n×5
688944905
n÷2
68894490.5
n÷3
45929660.333333
n÷3
34447245.25
n÷5
27557796.2
n2
18985803285018361
n3
2.6160344881091E+24
n4
3.6046072637741E+32
n5
4.9667516178064E+40
2 √n
11738.35512327
3 √n
516.50139178894
4 √n
108.3436898175
5 √n
42.446598922072
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
-137788980
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 137788981 can be divided by 8 positive divisors.
The sum of these divisors (counting 137788981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001101100111111000110101
3
Ternary
100121021101221121
4
Quaternary
20031213320311
5
Quinary
240233221411
6
Senary
21401143541
8
Octal
1015477065
10
Decimal
137788981
12
Duodecimal
3a18abb1
16
Hexadecimal
8367e35
20
Vigesimal
2313c91
36
Base36
2a1anp
md5
74697ba0dae2d33027ed0aab004b27c6
sha1
6672d466556d05fa382ebf01b8aca599ba577c93
sha256
82c32d091015226ed15eb85cdf6dfe0c4be0ca060d4a11f428de570b5d754bc9
sha512
f80d680566b8335389c516ed35a2b22c999eb2632edb62eda8fff824ae22fa1ac34420a36a2c210e0d2e69438c036ddc5893187d8620874802341ed2bbed8de5
ripemd-160
38d900722439fda0138dc49bfb2e4cfe78280bad
Diameter
275577962
Circumference
865753700.91045
Area
5.9645660122715E+16
Volume
1.0958019639175E+25
Surface area
2.3858264049086E+17
Circumference
865753700.91045
Perimeter
551155924
Area
18985803285018361
Diagonal
194863045.67577
Surface area
113914819710110166
Volume
2.6160344881091E+24
Space diagonal
238657515.81514
Perimeter
413366943
Area
8.22109397804E+15
Altitude
119328757.90757
Surface area
8.22109397804E+15
Volume
3.0830262105997E+23
Height
64954348.55859