123968139 is an odd 9-digits composite number following 123968138
and preceding 123968140 . In scientific notation, it is written as 1.23968139 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 82598400 positive integers (up to 123968139) that are relatively prime to 123968139.
123968139 has 8 divisors, whose sum is 165384912
The reverse of 123968139 is 931869321
Previous prime number is 1913
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-three million nine hundred sixty-eight thousand one hundred thirty-nine
Scientific notation
1.23968139 × 10^8
Engineering notation
1.23968139 × 10^6
Prime Factorization
3 × 1913 × 21601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
123968139
Product of the distinct prime numbers
The prime factorization of 123968139 is 3 × 1913 × 21601.
Since it has a total of 3 prime factors.
5 , 5 , 85 , 96 , 189 , 165 , 4652 , 2460 , 43849 , 20852 , 723312 , 719130 , 8797500 , 6162362 , 75152525 , 31342490 , 931485987 , 252415876 , 9685191237 , 8978303383
n×2
247936278
n×3
371904417
n×4
495872556
n×5
619840695
n÷2
61984069.5
n÷3
41322713
n÷3
30992034.75
n÷5
24793627.8
n2
15368099487123321
n3
1.9051546933855E+24
n4
2.3617848184612E+32
n5
2.9278606866309E+40
2 √n
11134.09803262
3 √n
498.62038214366
4 √n
105.51823554543
5 √n
41.558705973492
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
-123968138
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 123968139 can be divided by 8 positive divisors.
The sum of these divisors (counting 123968139) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000111001101010001011
3
Ternary
22122021020022120
4
Quaternary
13120321222023
5
Quinary
223213440024
6
Senary
20145022323
8
Octal
730715213
10
Decimal
123968139
12
Duodecimal
356249a3
16
Hexadecimal
7639a8b
20
Vigesimal
1ieg06j
36
Base36
21t2ff
md5
e046ea997e7ca2cf52c03643c8b23ae3
sha1
d16514eb64601eda1d7831b472ba80c2ac797eea
sha256
6d783cb0d9b2b91fde4ad07d9e9247957684c8713757fac20c9467cf15549698
sha512
1da857b86c68314000983f3be4175c81e4e72fe6460f9fc17bf0450c0bffcdd2100172e3bed71fb3e64ef3431bf548ccc14eadc2e3574d0aa5e0e2148411a373
ripemd-160
c37895577224691dfa98841e59fa57e219cef47d
Diameter
247936278
Circumference
778914789.5232
Area
4.8280308448384E+16
Volume
7.9802933182561E+24
Surface area
1.9312123379353E+17
Circumference
778914789.5232
Perimeter
495872556
Area
15368099487123321
Diagonal
175317423.47595
Surface area
92208596922739926
Volume
1.9051546933855E+24
Space diagonal
214719115.26776
Perimeter
371904417
Area
6.6545822818677E+15
Altitude
107359557.63388
Surface area
6.6545822818677E+15
Volume
2.2452463381705E+23
Height
58439141.158651