138194788 is an even 9-digits composite number following 138194787
and preceding 138194789 . In scientific notation, it is written as 1.38194788 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 69031880 positive integers (up to 138194788) that are relatively prime to 138194788.
138194788 has 12 divisors, whose sum is 242070192
The reverse of 138194788 is 887491831
Previous prime number is 1091
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred thirty-eight million one hundred ninety-four thousand seven hundred eighty-eight
Scientific notation
1.38194788 × 10^8
Engineering notation
1.38194788 × 10^6
Prime Factorization
2 × 2 × 1091 × 31667
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69097394
Product of the distinct prime numbers
The prime factorization of 138194788 is 2 × 2 × 1091 × 31667.
Since it has a total of 4 prime factors.
9 , 6 , 72 , 34 , 15 , 601 , 3135 , 9452 , 76948 , 23811 , 402057 , 697236 , 3479559 , 4506062 , 87689333 , 93742995 , 455324098 , 721578570 , 4615854733 , 754672024
n×2
276389576
n×3
414584364
n×4
552779152
n×5
690973940
n÷2
69097394
n÷3
46064929.333333
n÷3
34548697
n÷5
27638957.6
n2
19097799430364944
n3
2.6392163435458E+24
n4
3.6472594308245E+32
n5
5.0403224382379E+40
2 √n
11755.627928784
3 √n
517.00795007398
4 √n
108.42337353534
5 √n
42.471571703648
1 , 2 , 4 , 1091 , 2182 , 4364 , 31667 , 63334 , 126668 , 34548697 , 69097394 , 138194788
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138194787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138194788 can be divided by 12 positive divisors.
The sum of these divisors (counting 138194788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000001111001010111101100100
3
Ternary
100122001000121111
4
Quaternary
20033022331210
5
Quinary
240334213123
6
Senary
21413554404
8
Octal
1017127544
10
Decimal
138194788
12
Duodecimal
3a345a04
16
Hexadecimal
83caf64
20
Vigesimal
233e6j8
36
Base36
2a9zs4
md5
8d1122656c130aef04790d31fcd8ec40
sha1
5603f458cd0c607afdfbca7e8c177a1354043dd6
sha256
81acf4adddf5e8b65b8cf8969ddfe276eb2fc512e03900d81acab9074075e31c
sha512
96f5b71b80003a874f9b0b6f875991f4bfbde5c075b1af7686daa734a9461a85d3c62e97d47fe56e4e01b12884e9c2ba6c7558b04e1b114b449cee743e7f512d
ripemd-160
a867c6f3948121703c3857edddda0266a75f8e83
Diameter
276389576
Circumference
868303461.4904
Area
5.9997506390166E+16
Volume
1.1055123568157E+25
Surface area
2.3999002556066E+17
Circumference
868303461.4904
Perimeter
552779152
Area
19097799430364944
Diagonal
195436943.43887
Surface area
114586796582189664
Volume
2.6392163435458E+24
Space diagonal
239360394.15721
Perimeter
414584364
Area
8.269589731538E+15
Altitude
119680197.0786
Surface area
8.269589731538E+15
Volume
3.1103462892327E+23
Height
65145647.812958