123669987 is an odd 9-digits composite number following 123669986
and preceding 123669988 . In scientific notation, it is written as 1.23669987 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 70600320 positive integers (up to 123669987) that are relatively prime to 123669987.
123669987 has 16 divisors, whose sum is 188631552
The reverse of 123669987 is 789966321
Previous prime number is 1361
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-three million six hundred sixty-nine thousand nine hundred eighty-seven
Scientific notation
1.23669987 × 10^8
Engineering notation
1.23669987 × 10^6
Prime Factorization
3 × 7 × 1361 × 4327
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
123669987
Product of the distinct prime numbers
The prime factorization of 123669987 is 3 × 7 × 1361 × 4327.
Since it has a total of 4 prime factors.
2 , 3 , 19 , 52 , 539 , 9 , 3722 , 8933 , 6360 , 23769 , 616677 , 151996 , 162423 , 5093514 , 41428640 , 2596039 , 58785553 , 644266583 , 8477997328 , 6032649820
n×2
247339974
n×3
371009961
n×4
494679948
n×5
618349935
n÷2
61834993.5
n÷3
41223329
n÷3
30917496.75
n÷5
24733997.4
n2
15294265684580169
n3
1.8914416383866E+24
n4
2.3391456283053E+32
n5
2.8928210944362E+40
2 √n
11120.700832232
3 √n
498.2203223438
4 √n
105.45473356958
5 √n
41.53869639855
1 , 3 , 7 , 21 , 1361 , 4083 , 4327 , 9527 , 12981 , 28581 , 30289 , 90867 , 5889047 , 17667141 , 41223329 , 123669987
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
-123669986
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 123669987 can be divided by 16 positive divisors.
The sum of these divisors (counting 123669987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010111110000110111100011
3
Ternary
22121201002022220
4
Quaternary
13113300313203
5
Quinary
223124414422
6
Senary
20134402123
8
Octal
727606743
10
Decimal
123669987
12
Duodecimal
35500343
16
Hexadecimal
75f0de3
20
Vigesimal
1iciej7
36
Base36
21modf
md5
ca801bf39cdb1b5ccd1a290c59aed399
sha1
c15fbc6996e17a2aedb192a15f503d3a7b8c600b
sha256
9341c727d6b9136ad9c4c6a9e7bd534edc4ebaab46cad3296c1df87d59adb18c
sha512
4c472050e1e541a9ad55197c6ad44f8788e04fecac25b431367d7cbe18518612d9e00f8d904c28776669b8717459e681c7a72d601e70595bb118ca22aa67565f
ripemd-160
2363c0a8c32d352ce835e39c8e017723530c7356
Diameter
247339974
Circumference
777041445.25749
Area
4.8048352716728E+16
Volume
7.9228522077988E+24
Surface area
1.9219341086691E+17
Circumference
777041445.25749
Perimeter
494679948
Area
15294265684580169
Diagonal
174895772.8739
Surface area
91765594107481014
Volume
1.8914416383866E+24
Space diagonal
214202700.85538
Perimeter
371009961
Area
6.6226113075375E+15
Altitude
107101350.42769
Surface area
6.6226113075375E+15
Volume
2.2290853478696E+23
Height
58298590.957968