87081057 is an odd 8-digits composite number following 87081056
and preceding 87081058 . In scientific notation, it is written as 8.7081057 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 49573440 positive integers (up to 87081057) that are relatively prime to 87081057.
87081057 has 24 divisors, whose sum is 144293760
The reverse of 87081057 is 75018078
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-seven million eighty-one thousand fifty-seven
Scientific notation
8.7081057 × 10^7
Engineering notation
8.7081057 × 10^6
Prime Factorization
3 × 3 × 7 × 281 × 4919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
29027019
Product of the distinct prime numbers
The prime factorization of 87081057 is 3 × 3 × 7 × 281 × 4919.
Since it has a total of 5 prime factors.
2 , 5 , 16 , 8 , 324 , 814 , 7533 , 3748 , 44791 , 469 , 722575 , 902119 , 9809686 , 9840251 , 11125488 , 60432849 , 428501416 , 119221617 , 5081516593 , 2078474633
n×2
174162114
n×3
261243171
n×4
348324228
n×5
435405285
n÷2
43540528.5
n÷3
29027019
n÷3
21770264.25
n÷5
17416211.4
n2
7583110488237249
n3
6.6034527666349E+23
n4
5.7503564676814E+31
n5
5.0074711933248E+39
2 √n
9331.723152773
3 √n
443.24233149526
4 √n
96.60084447236
5 √n
38.724403647383
1 , 3 , 7 , 9 , 21 , 63 , 281 , 843 , 1967 , 2529 , 4919 , 5901 , 14757 , 17703 , 34433 , 44271 , 103299 , 309897 , 1382239 , 4146717 , 9675673 , 12440151 , 29027019 , 87081057
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87081056
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87081057 can be divided by 24 positive divisors.
The sum of these divisors (counting 87081057) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101001100001100000001100001
3
Ternary
20001212011202100
4
Quaternary
11030030001201
5
Quinary
134243043212
6
Senary
12350241013
8
Octal
514140141
10
Decimal
87081057
12
Duodecimal
251b6169
16
Hexadecimal
530c061
20
Vigesimal
17452ch
36
Base36
1fug69
md5
17e4c08a17a610dc9462df391e221cd7
sha1
b3f5547e2a2ff81a3480cfd6e9f13a3314b7c57e
sha256
c27787b05aa6970c8da2e2b3acc7619299080342ac567302a6c070dc539ed393
sha512
fd9026f604af668f7a13d6c06374f7765459d89ec10ab16e99dba0b78d1bdeb67d895ac02f096eb8ff4f753597aaea9788e49c233653efa7b3f72dd10a28b88f
ripemd-160
0bb148ad522c5b292f4d0c4cdeade53de08d7d41
Diameter
174162114
Circumference
547146417.87607
Area
2.3823044201206E+16
Volume
2.766047826665E+24
Surface area
9.5292176804823E+16
Circumference
547146417.87607
Perimeter
348324228
Area
7583110488237249
Diagonal
123151211.83518
Surface area
45498662929423494
Volume
6.6034527666349E+23
Space diagonal
150828815.1008
Perimeter
261243171
Area
3.2835831612588E+15
Altitude
75414407.550401
Surface area
3.2835831612588E+15
Volume
7.7822437175543E+22
Height
41050403.945062