87439969 is an odd 8-digits prime number following 87439968
and preceding 87439970 . In scientific notation, it is written as 8.7439969 × 10^7.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 87439968 positive integers (up to 87439969) that are relatively prime to 87439969.
87439969 has 2 divisors, whose sum is 87439970
The reverse of 87439969 is 96993478
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighty-seven million four hundred thirty-nine thousand nine hundred sixty-nine
Scientific notation
8.7439969 × 10^7
Engineering notation
8.7439969 × 10^6
Prime Factorization
87439969
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
87439969
Product of the distinct prime numbers
The prime factorization of 87439969 is 87439969.
Since it has a total of 1 prime factors.
7 , 3 , 11 , 85 , 2 , 229 , 434 , 2906 , 46575 , 42743 , 252073 , 700234 , 5750997 , 6235803 , 62793033 , 66613840 , 996520542 , 302735163 , 181966584 , 5180707213
n×2
174879938
n×3
262319907
n×4
349759876
n×5
437199845
n÷2
43719984.5
n÷3
29146656.333333
n÷3
21859992.25
n÷5
17487993.8
n2
7645748178720961
n3
6.6854398372917E+23
n4
5.8457465212415E+31
n5
5.1115189459921E+39
2 √n
9350.9341244605
3 √n
443.85045047257
4 √n
96.700228151026
5 √n
38.756272336965
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
87439970
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
43719985
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9350.9341779311
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999771272
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87439969 can be divided by 2 positive divisors.
The sum of these divisors (counting 87439969) is 87439970, the average is 43719985.
Base
System
Value
2
Binary
101001101100011101001100001
3
Ternary
20002112102002101
4
Quaternary
11031203221201
5
Quinary
134341034334
6
Senary
12402050401
8
Octal
515435141
10
Decimal
87439969
12
Duodecimal
25349a01
16
Hexadecimal
5363a61
20
Vigesimal
1769ji9
36
Base36
1g2541
md5
8508c414271acf3c01e430a1ae82c344
sha1
3f09fcb6ca3d2f6171aa2ab987634a11843e3cd7
sha256
a0756c2439cd92228f16596e564afe12e9b73932c0f4c65b9618f2b9bc036b5b
sha512
c46e4dbd49dc66cdd5570aa7de74f75a00de3eb34f51f1f4ec6d8dbe3685aaffce349f3ddd7edcb2bd0539349329f89b1eeb364ae0b03c3df21ade3627e0d868
ripemd-160
440e09c5d884291f51b8311fc31615d529959a9a
Diameter
174879938
Circumference
549401528.48104
Area
2.4019826309467E+16
Volume
2.8003904905136E+24
Surface area
9.6079305237869E+16
Circumference
549401528.48104
Perimeter
349759876
Area
7645748178720961
Diagonal
123658790.05328
Surface area
45874489072325766
Volume
6.6854398372917E+23
Space diagonal
151450468.92025
Perimeter
262319907
Area
3.3107060768555E+15
Altitude
75725234.460124
Surface area
3.3107060768555E+15
Volume
7.8788664069394E+22
Height
41219596.684428