123871421 is an odd 9-digits composite number following 123871420
and preceding 123871422 . In scientific notation, it is written as 1.23871421 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 123339552 positive integers (up to 123871421) that are relatively prime to 123871421.
123871421 has 4 divisors, whose sum is 124403292
The reverse of 123871421 is 124178321
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-three million eight hundred seventy-one thousand four hundred twenty-one
Scientific notation
1.23871421 × 10^8
Engineering notation
1.23871421 × 10^6
Prime Factorization
233 × 531637
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
123871421
Product of the distinct prime numbers
The prime factorization of 123871421 is 233 × 531637.
Since it has a total of 2 prime factors.
10 , 8 , 35 , 17 , 708 , 316 , 660 , 6509 , 39698 , 26390 , 337367 , 296411 , 7083115 , 1165305 , 1001973 , 26629785 , 263421966 , 739883078 , 6258055355 , 3480258689
n×2
247742842
n×3
371614263
n×4
495485684
n×5
619357105
n÷2
61935710.5
n÷3
41290473.666667
n÷3
30967855.25
n÷5
24774284.2
n2
15344128940559241
n3
1.9006990558743E+24
n4
2.3544229294451E+32
n5
2.9164571390534E+40
2 √n
11129.75386071
3 √n
498.49067646939
4 √n
105.49764860276
5 √n
41.552219258572
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-123871420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 123871421 can be divided by 4 positive divisors.
The sum of these divisors (counting 123871421) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011000100010000010111101
3
Ternary
22122002022122102
4
Quaternary
13120202002331
5
Quinary
223202341141
6
Senary
20142554445
8
Octal
730420275
10
Decimal
123871421
12
Duodecimal
35598a25
16
Hexadecimal
76220bd
20
Vigesimal
1ie3ib1
36
Base36
21qzst
md5
039468e73f3a24b97df16a05e87a927e
sha1
f933cd2a94563643a8faa4ebdbc4f593ee114a8e
sha256
af2f9912b6c91aab307bd35a11cf64d6892dbb2721ffbeea6109a06efbedb718
sha512
8bfe9fccf0fb6fa301aeff1793c504f439cae90c6ee9dc1e78f0fd0a2194bb735528ca3e738460de1f21fcf48d5bb56671d03649098a28ffa8ed8217d952f3dd
ripemd-160
4196b4a5f2017a822a2a219bd4bc5f8eb549d89a
Diameter
247742842
Circumference
778307092.40666
Area
4.8205002755395E+16
Volume
7.961629587493E+24
Surface area
1.9282001102158E+17
Circumference
778307092.40666
Perimeter
495485684
Area
15344128940559241
Diagonal
175180643.56863
Surface area
92064773643355446
Volume
1.9006990558743E+24
Space diagonal
214551594.77775
Perimeter
371614263
Area
6.6442027307342E+15
Altitude
107275797.38888
Surface area
6.6442027307342E+15
Volume
2.239995319006E+23
Height
58393547.856209