123720189 is an odd 9-digits composite number following 123720188
and preceding 123720190 . In scientific notation, it is written as 1.23720189 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 81933600 positive integers (up to 123720189) that are relatively prime to 123720189.
123720189 has 8 divisors, whose sum is 166053312
The reverse of 123720189 is 981027321
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-three million seven hundred twenty thousand one hundred eighty-nine
Scientific notation
1.23720189 × 10^8
Engineering notation
1.23720189 × 10^6
Prime Factorization
3 × 151 × 273113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
123720189
Product of the distinct prime numbers
The prime factorization of 123720189 is 3 × 151 × 273113.
Since it has a total of 3 prime factors.
2 , 2 , 25 , 7 , 235 , 484 , 9054 , 4856 , 41445 , 99031 , 21956 , 142653 , 7281158 , 3592439 , 31518982 , 31910773 , 767517424 , 979429611 , 1595780690 , 2279130066
n×2
247440378
n×3
371160567
n×4
494880756
n×5
618600945
n÷2
61860094.5
n÷3
41240063
n÷3
30930047.25
n÷5
24744037.8
n2
15306685166195721
n3
1.8937459817252E+24
n4
2.3429461077704E+32
n5
2.8986973527016E+40
2 √n
11122.957745132
3 √n
498.28772827799
4 √n
105.46543388775
5 √n
41.542068254837
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
-123720188
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 123720189 can be divided by 8 positive divisors.
The sum of these divisors (counting 123720189) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010111111101000111111101
3
Ternary
22121210122012020
4
Quaternary
13113331013331
5
Quinary
223133021224
6
Senary
20135430353
8
Octal
727750775
10
Decimal
123720189
12
Duodecimal
355253b9
16
Hexadecimal
75fd1fd
20
Vigesimal
1id5099
36
Base36
21nr3x
md5
ab50c4d30110d2807e94e9e7b2b00ea0
sha1
ae211897fcfd9e9a0dc01e4b95fa09204a836632
sha256
3b4b0e6ce6e54ef91857b6d7de6e07b350a8aafcf68b27bdc3d93f770510068d
sha512
83be23cfc53a8cdb1062c8af1eee37e5fc78965524b2ee535406086e0ca34a1c45b2b864871db55805e753d20b4bdf06ff837df58f7c862c170fbc077a359387
ripemd-160
200600e015dbdba1a3dd564a81abe72fe88cd0b2
Diameter
247440378
Circumference
777356873.72628
Area
4.8087369668932E+16
Volume
7.9325046186042E+24
Surface area
1.9234947867573E+17
Circumference
777356873.72628
Perimeter
494880756
Area
15306685166195721
Diagonal
174966769.22316
Surface area
91840110997174326
Volume
1.8937459817252E+24
Space diagonal
214289653.27002
Perimeter
371160567
Area
6.627989100828E+15
Altitude
107144826.63501
Surface area
6.627989100828E+15
Volume
2.2318010425378E+23
Height
58322256.407721