138195887 is an odd 9-digits prime number following 138195886
and preceding 138195888 . In scientific notation, it is written as 1.38195887 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 138195886 positive integers (up to 138195887) that are relatively prime to 138195887.
138195887 has 2 divisors, whose sum is 138195888
The reverse of 138195887 is 788591831
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
one hundred thirty-eight million one hundred ninety-five thousand eight hundred eighty-seven
Scientific notation
1.38195887 × 10^8
Engineering notation
1.38195887 × 10^6
Prime Factorization
138195887
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
138195887 Product of the distinct prime numbers
The prime factorization of 138195887 is 138195887.
Since it has a total of 1 prime factors.
7 , 6 , 57 , 51 , 944 , 838 , 9792 , 30 , 28373 , 55482 , 796305 , 645023 , 951746 , 4749961 , 33167502 , 9692728 , 354892458 , 298013411 , 4188409209 , 5209737862
n×2
276391774
n×3
414587661
n×4
552783548
n×5
690979435
n÷2
69097943.5
n÷3
46065295.666667
n÷3
34548971.75
n÷5
27639177.4
n2
19098103183716769
n3
2.6392793094913E+24
n4
3.6473754521589E+32
n5
5.0405228583313E+40
2 √n11755.674672259
3 √n517.00932057967
4 √n108.42358909508
5 √n42.471639254833
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
138195888 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
69097944 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11755.674714792 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999855278 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138195887 can be divided by 2 positive divisors.
The sum of these divisors (counting 138195887) is 138195888, the average is 69097944.
Base
System
Value
2
Binary
1000001111001011001110101111
3
Ternary
100122001002010012
4
Quaternary
20033023032233
5
Quinary
240334232022
6
Senary
21414003435
8
Octal
1017131657
10
Decimal
138195887
12
Duodecimal
3a34657b
16
Hexadecimal
83cb3af
20
Vigesimal
233e9e7
36
Base36
2aa0mn
md5
72b441a213a81aa5838e70933c27ac23
sha1
fac9b8f79f0ed2aa0f84102d850a871c9af1f335
sha256
85ced802aa337c65df13b692a8b81806d560234968684a8a9664084f63f8095f
sha512
4abfaf1b9d0606f76108b6a132379d99e36dbd8d6d6f9232bb34a52f3ea6bd0e1cc50b4c4b541da8cd141105d241b2e09b05d950fe3fcc74d9599125777d473f
ripemd-160
ac8c6a0506caf37f388415bd5d30ab99746799d9
Diameter
276391774
Circumference
868310366.71105
Area
5.9998460659464E+16
Volume
1.1055387319292E+25
Surface area
2.3999384263786E+17
Circumference
868310366.71105
Perimeter
552783548
Area
19098103183716769
Diagonal
195438497.65958
Surface area
114588619102300614
Volume
2.6392793094913E+24
Space diagonal
239362297.68105
Perimeter
414587661
Area
8.2697212605976E+15
Altitude
119681148.84052
Surface area
8.2697212605976E+15
Volume
3.110420495311E+23
Height
65146165.886527