87081385 is an odd 8-digits composite number following 87081384
and preceding 87081386 . In scientific notation, it is written as 8.7081385 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 68081728 positive integers (up to 87081385) that are relatively prime to 87081385.
87081385 has 16 divisors, whose sum is 106888896
The reverse of 87081385 is 58318078
Previous prime number is 947
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-seven million eighty-one thousand three hundred eighty-five
Scientific notation
8.7081385 × 10^7
Engineering notation
8.7081385 × 10^6
Prime Factorization
5 × 53 × 947 × 347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87081385
Product of the distinct prime numbers
The prime factorization of 87081385 is 5 × 53 × 947 × 347.
Since it has a total of 4 prime factors.
6 , 10 , 74 , 73 , 896 , 691 , 3919 , 7554 , 59648 , 51727 , 190370 , 2283 , 3985177 , 5557106 , 27669626 , 26674588 , 52792283 , 758334862 , 5120000141 , 5322379954
n×2
174162770
n×3
261244155
n×4
348325540
n×5
435406925
n÷2
43540692.5
n÷3
29027128.333333
n÷3
21770346.25
n÷5
17416277
n2
7583167613518225
n3
6.6035273847231E+23
n4
5.7504431054712E+31
n5
5.0075654998813E+39
2 √n
9331.740727217
3 √n
443.24288800091
4 √n
96.600935436552
5 √n
38.72443281925
1 , 5 , 53 , 265 , 347 , 947 , 1735 , 4735 , 18391 , 50191 , 91955 , 250955 , 328609 , 1643045 , 17416277 , 87081385
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
-87081384
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 87081385 can be divided by 16 positive divisors.
The sum of these divisors (counting 87081385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001100001100000110101001
3
Ternary
20001212012012111
4
Quaternary
11030030012221
5
Quinary
134243101020
6
Senary
12350242321
8
Octal
514140651
10
Decimal
87081385
12
Duodecimal
251b63a1
16
Hexadecimal
530c1a9
20
Vigesimal
1745395
36
Base36
1fugfd
md5
1b265f3243d184826a8df85b3f9148fe
sha1
b4ecbcd6441149281d6c800f28eea36fdc49fbad
sha256
741468132a60d7b97617b90a332ff1717f445daf09171c3b5cccebab4487e076
sha512
a39321d4c3ad821b5f9b2633e3545020fbf355ccbbf6a60fdbf19f4ac25e1a892f23be0f5bff20084ea56fa0ffda2ca13a7195df72cb7394a556d86b82da75ac
ripemd-160
76dcf4fa9b938fffcd84a4f4c40a79fa3d7932bf
Diameter
174162770
Circumference
547148478.76085
Area
2.3823223665569E+16
Volume
2.7660790826167E+24
Surface area
9.5292894662276E+16
Circumference
547148478.76085
Perimeter
348325540
Area
7583167613518225
Diagonal
123151675.69723
Surface area
45499005681109350
Volume
6.6035273847231E+23
Space diagonal
150829383.21347
Perimeter
261244155
Area
3.2836078972311E+15
Altitude
75414691.606733
Surface area
3.2836078972311E+15
Volume
7.7823316558146E+22
Height
41050558.565744