81498360 is an even 8-digits composite number following 81498359
and preceding 81498361 . In scientific notation, it is written as 8.1498360 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors.
There are 21732864 positive integers (up to 81498360) that are relatively prime to 81498360.
81498360 has 16 divisors, whose sum is 162996960
The reverse of 81498360 is 06389418
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million four hundred ninety-eight thousand three hundred sixty
Scientific notation
8.1498360 × 10^7
Engineering notation
8.1498360 × 10^6
Prime Factorization
2 × 2 × 2 × 15 × 679153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20374590
Product of the distinct prime numbers
The prime factorization of 81498360 is 2 × 2 × 2 × 15 × 679153.
Since it has a total of 5 prime factors.
5 , 10 , 10 , 38 , 210 , 15 , 4888 , 7335 , 54700 , 4174 , 580260 , 303716 , 3572063 , 9008365 , 33021644 , 94029614 , 532793302 , 480493372 , 818921036 , 3984568966
n×2
162996720
n×3
244495080
n×4
325993440
n×5
407491800
n÷2
40749180
n÷3
27166120
n÷3
20374590
n÷5
16299672
n2
6641982682689600
n3
5.413106957876E+23
n4
4.4115933957149E+31
n5
3.5953762673759E+39
2 √n
9027.6442109777
3 √n
433.56041484003
4 √n
95.013915880663
5 √n
38.21464010685
1 , 2 , 4 , 8 , 15 , 30 , 60 , 120 , 679153 , 1358306 , 2716612 , 5433224 , 10187295 , 20374590 , 40749180 , 81498360
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
-81498359
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 81498360 can be divided by 16 positive divisors.
The sum of these divisors (counting 81498360) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110111001000011111000
3
Ternary
12200100112201210
4
Quaternary
10312321003320
5
Quinary
131330421420
6
Senary
12030443120
8
Octal
466710370
10
Decimal
81498360
12
Duodecimal
233634a0
16
Hexadecimal
4db90f8
20
Vigesimal
15975i0
36
Base36
1cisjc
md5
b9b48169b0234a24bee9b6e67f8cea4c
sha1
c52fc0522cab108dd99e2716d3aa2b095f0c6f2c
sha256
3b1b9d811f64d62399e26ec12bc995617c318e72d390b4d4604b0d3712a511f5
sha512
60ef8825b011355e4de33e876cb5bfbb6130b5d7384cf1d9b83368e594dc28bdd7546724afd71872c87bc442f71d90b0f0076b31e5ee940fb3f48dbac121a9a3
ripemd-160
44ac5e0ba51a1499f4a22ccc92afe3c8c1a01952
Diameter
162996720
Circumference
512069298.11123
Area
2.0866404001208E+16
Volume
2.2674369402612E+24
Surface area
8.3465616004833E+16
Circumference
512069298.11123
Perimeter
325993440
Area
6641982682689600
Diagonal
115256086.02316
Surface area
39851896096137600
Volume
5.413106957876E+23
Space diagonal
141159300.25354
Perimeter
244495080
Area
2.8760628673528E+15
Altitude
70579650.12677
Surface area
2.8760628673528E+15
Volume
6.3794077286704E+22
Height
38418695.341055