87942385 is an odd 8-digits composite number following 87942384
and preceding 87942386 . In scientific notation, it is written as 8.7942385 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 70270704 positive integers (up to 87942385) that are relatively prime to 87942385.
87942385 has 8 divisors, whose sum is 105655680
The reverse of 87942385 is 58324978
Previous prime number is 883
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-seven million nine hundred forty-two thousand three hundred eighty-five
Scientific notation
8.7942385 × 10^7
Engineering notation
8.7942385 × 10^6
Prime Factorization
5 × 883 × 19919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87942385
Product of the distinct prime numbers
The prime factorization of 87942385 is 5 × 883 × 19919.
Since it has a total of 3 prime factors.
4 , 1 , 47 , 45 , 355 , 616 , 4996 , 7120 , 52123 , 10331 , 177160 , 89339 , 194638 , 8866699 , 33647222 , 21881999 , 437446277 , 165688184 , 6733935747 , 1123712780
n×2
175884770
n×3
263827155
n×4
351769540
n×5
439711925
n÷2
43971192.5
n÷3
29314128.333333
n÷3
21985596.25
n÷5
17588477
n2
7733863079488225
n3
6.8013436447364E+23
n4
5.9812638132271E+31
n5
5.2600660504939E+39
2 √n
9377.7601270239
3 √n
444.69892524491
4 √n
96.838835840916
5 √n
38.800707788041
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
-87942384
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 87942385 can be divided by 8 positive divisors.
The sum of these divisors (counting 87942385) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001111011110010011110001
3
Ternary
20010110221021101
4
Quaternary
11033132103301
5
Quinary
140003124020
6
Senary
12420524401
8
Octal
517362361
10
Decimal
87942385
12
Duodecimal
25550701
16
Hexadecimal
53de4f1
20
Vigesimal
179cfj5
36
Base36
1gcws1
md5
067c802d4b21ffa357bcbd5276b07445
sha1
f95e5e65e25d3c67c2dabaac171ba7735f3562a8
sha256
a8e31616ab5810f562a1b0e1dbc7d9d593845b9f775684a9cf0bfb92fb643b2c
sha512
7c9bf4e53426060adc36fa3eef753ecec92173c24b569d88bf8ac25726c79c4a88d28714ef2cd648d90ec7ae7c5bd0344581f7d20096c8de87595aa780a5dae5
ripemd-160
e3c938c240bbca9acc3ec9c90ce34f1046b6defc
Diameter
175884770
Circumference
552558301.31033
Area
2.429664743439E+16
Volume
2.8489401638458E+24
Surface area
9.7186589737558E+16
Circumference
552558301.31033
Perimeter
351769540
Area
7733863079488225
Diagonal
124369313.57444
Surface area
46403178476929350
Volume
6.8013436447364E+23
Space diagonal
152320678.95878
Perimeter
263827155
Area
3.3488609481137E+15
Altitude
76160339.479392
Surface area
3.3488609481137E+15
Volume
8.0154603539552E+22
Height
41456437.858145