87989742 is an even 8-digits composite number following 87989741
and preceding 87989743 . In scientific notation, it is written as 8.7989742 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 29329908 positive integers (up to 87989742) that are relatively prime to 87989742.
87989742 has 8 divisors, whose sum is 146649600
The reverse of 87989742 is 24798978
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
eighty-seven million nine hundred eighty-nine thousand seven hundred forty-two
Scientific notation
8.7989742 × 10^7
Engineering notation
8.7989742 × 10^6
Prime Factorization
2 × 9 × 4888319
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87989742
Product of the distinct prime numbers
The prime factorization of 87989742 is 2 × 9 × 4888319.
Since it has a total of 3 prime factors.
4 , 8 , 19 , 31 , 226 , 985 , 8241 , 4005 , 66790 , 51025 , 892939 , 353651 , 2978963 , 8781625 , 79685332 , 38941605 , 755711739 , 177631919 , 5582228439 , 37056417
n×2
175979484
n×3
263969226
n×4
351958968
n×5
439948710
n÷2
43994871
n÷3
29329914
n÷3
21997435.5
n÷5
17597948.4
n2
7742194697226564
n3
6.8123371392273E+23
n4
5.9941578729763E+31
n5
5.2742440475045E+39
2 √n
9380.2847504753
3 √n
444.77873442123
4 √n
96.851870144439
5 √n
38.804885726704
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
-87989741
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 87989742 can be divided by 8 positive divisors.
The sum of these divisors (counting 87989742) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001111101001110111101110
3
Ternary
20010120100020100
4
Quaternary
11033221313232
5
Quinary
140011132432
6
Senary
12421531530
8
Octal
517516756
10
Decimal
87989742
12
Duodecimal
25573ba6
16
Hexadecimal
53e9dee
20
Vigesimal
179ie72
36
Base36
1gdxbi
md5
b15d844a113b0fefacccba540cdc558d
sha1
d9572eddf9d8fb174573160d59979198154139f2
sha256
b24eb36333f1c520f8140e35d9d2bb29c2bcca51b292159e0f67ab4a1d115ae3
sha512
ef47581a2b76be3be9872d7d587cdd589cc49448f497184d10ef5de647e97778245d4a4bf69a1480d6218d81c87cba56b603c92634c67a3a47700a6c37692f47
ripemd-160
7b81ad7bb5c1faf21fbcb4d9caae59e71952c1c0
Diameter
175979484
Circumference
552855854.11692
Area
2.4322821983469E+16
Volume
2.8535451080498E+24
Surface area
9.7291287933875E+16
Circumference
552855854.11692
Perimeter
351958968
Area
7742194697226564
Diagonal
124436286.48611
Surface area
46453168183359384
Volume
6.8123371392273E+23
Space diagonal
152402703.68888
Perimeter
263969226
Area
3.3524686444217E+15
Altitude
76201351.844439
Surface area
3.3524686444217E+15
Volume
8.028416311461E+22
Height
41478762.162037