138406972 is an even 9-digits composite number following 138406971
and preceding 138406973 . In scientific notation, it is written as 1.38406972 × 10^8.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 62261760 positive integers (up to 138406972) that are relatively prime to 138406972.
138406972 has 24 divisors, whose sum is 266963760
The reverse of 138406972 is 279604831
Previous prime number is 97
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred thirty-eight million four hundred six thousand nine hundred seventy-two
Scientific notation
1.38406972 × 10^8
Engineering notation
1.38406972 × 10^6
Prime Factorization
2 × 2 × 11 × 97 × 32429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
69203486
Product of the distinct prime numbers
The prime factorization of 138406972 is 2 × 2 × 11 × 97 × 32429.
Since it has a total of 5 prime factors.
5 , 2 , 29 , 20 , 880 , 707 , 6840 , 7334 , 12115 , 80832 , 802568 , 837401 , 6074365 , 7378328 , 97297298 , 335154 , 283112084 , 103604006 , 1714275795 , 842206133
n×2
276813944
n×3
415220916
n×4
553627888
n×5
692034860
n÷2
69203486
n÷3
46135657.333333
n÷3
34601743
n÷5
27681394.4
n2
19156489898208784
n3
2.6513917609597E+24
n4
3.6697110522018E+32
n5
5.0791359485018E+40
2 √n
11764.64925104
3 √n
517.27241908786
4 √n
108.46496785156
5 √n
42.484605854243
1 , 2 , 4 , 11 , 22 , 44 , 97 , 194 , 388 , 1067 , 2134 , 4268 , 32429 , 64858 , 129716 , 356719 , 713438 , 1426876 , 3145613 , 6291226 , 12582452 , 34601743 , 69203486 , 138406972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138406971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138406972 can be divided by 24 positive divisors.
The sum of these divisors (counting 138406972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000001111111110110000111100
3
Ternary
100122102210200011
4
Quaternary
20033332300330
5
Quinary
240413010342
6
Senary
21422313004
8
Octal
1017766074
10
Decimal
138406972
12
Duodecimal
3a428764
16
Hexadecimal
83fec3c
20
Vigesimal
2350h8c
36
Base36
2aeji4
md5
0ba3127d3808830504c5a8b2460ca716
sha1
74b146e976fd83da9d5b2ccb004dce4b79a19a02
sha256
7149b7e7c957251d695ea5d9f7d9e795b692919038924cca57018af0a1d3bd6a
sha512
75860b522164373aa77a1e5c65fa23683522f30b9454ef2a92055e6238b2f849c8c2685fe9f4c47dcb02d28206d687365d73d73de536797df1f756af8fd8de0f
ripemd-160
780e3aa3940e2222f01c6006f028ce1af814748f
Diameter
276813944
Circumference
869636652.88162
Area
6.018188793278E+16
Volume
1.1106123837359E+25
Surface area
2.4072755173112E+17
Circumference
869636652.88162
Perimeter
553627888
Area
19156489898208784
Diagonal
195737016.92939
Surface area
114938939389252704
Volume
2.6513917609597E+24
Space diagonal
239727907.62576
Perimeter
415220916
Area
8.2950034495944E+15
Altitude
119863953.81288
Surface area
8.2950034495944E+15
Volume
3.1246951562612E+23
Height
65245672.309798