87431946 is an even 8-digits composite number following 87431945
and preceding 87431947 . In scientific notation, it is written as 8.7431946 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 24909120 positive integers (up to 87431946) that are relatively prime to 87431946.
87431946 has 16 divisors, whose sum is 137786088
The reverse of 87431946 is 64913478
Previous prime number is 373
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-seven million four hundred thirty-one thousand nine hundred forty-six
Scientific notation
8.7431946 × 10^7
Engineering notation
8.7431946 × 10^6
Prime Factorization
2 × 21 × 373 × 5581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87431946
Product of the distinct prime numbers
The prime factorization of 87431946 is 2 × 21 × 373 × 5581.
Since it has a total of 4 prime factors.
1 , 6 , 100 , 22 , 310 , 99 , 1359 , 6205 , 12625 , 24644 , 859803 , 781814 , 2764655 , 2507846 , 56130265 , 4528683 , 117959197 , 328537734 , 9255391088 , 7417870456
n×2
174863892
n×3
262295838
n×4
349727784
n×5
437159730
n÷2
43715973
n÷3
29143982
n÷3
21857986.5
n÷5
17486389.2
n2
7644345181346916
n3
6.6835997510088E+23
n4
5.8436013251582E+31
n5
5.1091743550676E+39
2 √n
9350.5051200457
3 √n
443.8368749833
4 √n
96.698009907369
5 √n
38.755561099326
1 , 2 , 21 , 42 , 373 , 746 , 5581 , 7833 , 11162 , 15666 , 117201 , 234402 , 2081713 , 4163426 , 43715973 , 87431946
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
-87431945
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 87431946 can be divided by 16 positive divisors.
The sum of these divisors (counting 87431946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001101100001101100001010
3
Ternary
20002112000002020
4
Quaternary
11031201230022
5
Quinary
134340310241
6
Senary
12401545310
8
Octal
515415412
10
Decimal
87431946
12
Duodecimal
25345236
16
Hexadecimal
5361b0a
20
Vigesimal
1768jh6
36
Base36
1g1yx6
md5
330efc8ba78fb8c51622159995e9c865
sha1
69e70a2e362cca45737e3f23d490b9feffa42b92
sha256
5387eecbb8d11fbf8275a7ccb5fb892f7667834441081441411b5793b82a2f05
sha512
a3108adef9c29f42d90d6a14342b910f5171efa7959f597db6a536ee1d985d370ddfb44636fd2682e50381c18a576eb60acebfc0192285c1e838301ab77df9a3
ripemd-160
dcb994d30dfb38d1ec4b24fd77cc9d5e51cc374d
Diameter
174863892
Circumference
549351118.48532
Area
2.4015418663224E+16
Volume
2.7996197169739E+24
Surface area
9.6061674652896E+16
Circumference
549351118.48532
Perimeter
349727784
Area
7644345181346916
Diagonal
123647443.81787
Surface area
45866071088081496
Volume
6.6835997510088E+23
Space diagonal
151436572.67662
Perimeter
262295838
Area
3.3100985611718E+15
Altitude
75718286.338309
Surface area
3.3100985611718E+15
Volume
7.8766978444584E+22
Height
41215814.605957