138923897 is an odd 9-digits composite number following 138923896
and preceding 138923898 . In scientific notation, it is written as 1.38923897 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 117299952 positive integers (up to 138923897) that are relatively prime to 138923897.
138923897 has 8 divisors, whose sum is 161140416
The reverse of 138923897 is 798329831
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred thirty-eight million nine hundred twenty-three thousand eight hundred ninety-seven
Scientific notation
1.38923897 × 10^8
Engineering notation
1.38923897 × 10^6
Prime Factorization
7 × 67 × 296213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138923897
Product of the distinct prime numbers
The prime factorization of 138923897 is 7 × 67 × 296213.
Since it has a total of 3 prime factors.
3 , 8 , 64 , 97 , 750 , 693 , 3012 , 2519 , 70853 , 67443 , 165786 , 953080 , 3865198 , 5632803 , 40015441 , 46770655 , 48049129 , 600401895 , 5437506995 , 6123008931
n×2
277847794
n×3
416771691
n×4
555695588
n×5
694619485
n÷2
69461948.5
n÷3
46307965.666667
n÷3
34730974.25
n÷5
27784779.4
n2
19299849157666609
n3
2.6812102564952E+24
n4
3.7248417750868E+32
n5
5.1746953510346E+40
2 √n
11786.59819456
3 √n
517.91559200668
4 √n
108.5661005773
5 √n
42.516293014533
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
-138923896
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 138923897 can be divided by 8 positive divisors.
The sum of these divisors (counting 138923897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001111100111101111001
3
Ternary
100200102001202112
4
Quaternary
20101330331321
5
Quinary
241031031042
6
Senary
21441342105
8
Octal
1021747571
10
Decimal
138923897
12
Duodecimal
3a637935
16
Hexadecimal
847cf79
20
Vigesimal
23859eh
36
Base36
2apmd5
md5
0b13e3d8ceebe08403f3a2a6a4fbf9cb
sha1
5d4b63ea4cc9674a742e18ca5db5b943d0d1a897
sha256
cb09bd652c1828a0f2b1c4f2a8a2a5998b72acd750bc7004c0a37653265aee8f
sha512
3fc602dc9c6d2cc8409c2a3cca5efd9703fe90282f7789c495c5b109afce579d244ce4ae9928aa87a5f2f49d20a5e560a35e033453c41e93e283611515c37f5c
ripemd-160
97e155398f6f1d7ea0c20cf1268e82e4fde5975f
Diameter
277847794
Circumference
872884588.44653
Area
6.0632264329117E+16
Volume
1.123102725938E+25
Surface area
2.4252905731647E+17
Circumference
872884588.44653
Perimeter
555695588
Area
19299849157666609
Diagonal
196468059.27512
Surface area
115799094945999654
Volume
2.6812102564952E+24
Space diagonal
240623247.98947
Perimeter
416771691
Area
8.3570798298735E+15
Altitude
120311623.99473
Surface area
8.3570798298735E+15
Volume
3.1598365902578E+23
Height
65489353.091708