123779894 is an even 9-digits composite number following 123779893
and preceding 123779895 . In scientific notation, it is written as 1.23779894 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 52920000 positive integers (up to 123779894) that are relatively prime to 123779894.
123779894 has 16 divisors, whose sum is 212708256
The reverse of 123779894 is 498977321
Previous prime number is 421
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-three million seven hundred seventy-nine thousand eight hundred ninety-four
Scientific notation
1.23779894 × 10^8
Engineering notation
1.23779894 × 10^6
Prime Factorization
2 × 7 × 421 × 21001
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
123779894
Product of the distinct prime numbers
The prime factorization of 123779894 is 2 × 7 × 421 × 21001.
Since it has a total of 4 prime factors.
4 , 7 , 99 , 32 , 554 , 581 , 6476 , 6745 , 15994 , 33589 , 941342 , 230552 , 6471546 , 1556217 , 33362482 , 69276405 , 581831085 , 817455651 , 4642244095 , 8618318839
n×2
247559788
n×3
371339682
n×4
495119576
n×5
618899470
n÷2
61889947
n÷3
41259964.666667
n÷3
30944973.5
n÷5
24755978.8
n2
15321462158651236
n3
1.8964889619229E+24
n4
2.3474720267898E+32
n5
2.9056983864401E+40
2 √n
11125.641284888
3 √n
498.36787010098
4 √n
105.47815548675
5 √n
41.546076962828
1 , 2 , 7 , 14 , 421 , 842 , 2947 , 5894 , 21001 , 42002 , 147007 , 294014 , 8841421 , 17682842 , 61889947 , 123779894
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-123779893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 123779894 can be divided by 16 positive divisors.
The sum of these divisors (counting 123779894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000001011101100110110
3
Ternary
22121220200002112
4
Quaternary
13120023230312
5
Quinary
223141424034
6
Senary
20141011022
8
Octal
730135466
10
Decimal
123779894
12
Duodecimal
35553a72
16
Hexadecimal
760bb36
20
Vigesimal
1idc9ee
36
Base36
21p16e
md5
3be9f6a76da8b131a612b60859f7ab9a
sha1
f720f0fc8059b91ee142bf73bc7d9e0794a9c560
sha256
bc1e7e98e84719eaf231e0431f98db57ff4495a902bae00110bb15f36dde9d36
sha512
6f7afd91af0f25eb28fe60349ee31d9c9c5687a1f4bc20bf267a0eee3d51636b3d3a09824c949fa3d290e44b0f6e0ada1c9d3646d4e8dc6494f41533b160c584
ripemd-160
285e7624646499f1b33b71f84babdb3ed60704ad
Diameter
247559788
Circumference
777732011.30505
Area
4.8133792959873E+16
Volume
7.943994387188E+24
Surface area
1.9253517183949E+17
Circumference
777732011.30505
Perimeter
495119576
Area
15321462158651236
Diagonal
175051204.8439
Surface area
91928772951907416
Volume
1.8964889619229E+24
Space diagonal
214393065.36349
Perimeter
371339682
Area
6.634387726257E+15
Altitude
107196532.68175
Surface area
6.634387726257E+15
Volume
2.2350336757018E+23
Height
58350401.614635