87081930 is an even 8-digits composite number following 87081929
and preceding 87081931 . In scientific notation, it is written as 8.7081930 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 21278592 positive integers (up to 87081930) that are relatively prime to 87081930.
87081930 has 32 divisors, whose sum is 144853632
The reverse of 87081930 is 03918078
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-seven million eighty-one thousand nine hundred thirty
Scientific notation
8.7081930 × 10^7
Engineering notation
8.7081930 × 10^6
Prime Factorization
2 × 45 × 13 × 263 × 283
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
87081930
Product of the distinct prime numbers
The prime factorization of 87081930 is 2 × 45 × 13 × 263 × 283.
Since it has a total of 5 prime factors.
3 , 7 , 80 , 83 , 696 , 341 , 2904 , 7254 , 76446 , 98060 , 16666 , 301209 , 5471415 , 7853392 , 58408413 , 54602288 , 614115125 , 868427307 , 3843078875 , 5372674187
n×2
174163860
n×3
261245790
n×4
348327720
n×5
435409650
n÷2
43540965
n÷3
29027310
n÷3
21770482.5
n÷5
17416386
n2
7583262532524900
n3
6.6036513702896E+23
n4
5.7505870637196E+31
n5
5.0077222014174E+39
2 √n
9331.7699285827
3 √n
443.24381267948
4 √n
96.601086580756
5 √n
38.724481290604
1 , 2 , 13 , 26 , 45 , 90 , 263 , 283 , 526 , 566 , 585 , 1170 , 3419 , 3679 , 6838 , 7358 , 11835 , 12735 , 23670 , 25470 , 74429 , 148858 , 153855 , 165555 , 307710 , 331110 , 967577 , 1935154 , 3349305 , 6698610 , 43540965 , 87081930
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87081929
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87081930 can be divided by 32 positive divisors.
The sum of these divisors (counting 87081930) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001100001100001111001010
3
Ternary
20001212012221200
4
Quaternary
11030030033022
5
Quinary
134243110210
6
Senary
12350245030
8
Octal
514141712
10
Decimal
87081930
12
Duodecimal
251b6776
16
Hexadecimal
530c3ca
20
Vigesimal
17454ga
36
Base36
1fugui
md5
0b84e039bfe61b04c7837936958cafec
sha1
3831c32f757e62d8c84c2bd2dfa4d0721ea72bce
sha256
fb90086c0cddd0477095c79be38bfed0dc972c994a3eeb65c2d5c2b2865844ae
sha512
1012f1141ed501c58e18cf3574837d8a9f86ef3dba5b4085f26e7bda1e6303397379742d05ece973950ff6a84712d8f9b483e59a2f8dd2520ed199566ef9b25c
ripemd-160
873b103cc76f76845d82ee24a8e5b72cd3762f18
Diameter
174163860
Circumference
547151903.09684
Area
2.3823521862423E+16
Volume
2.7661310175693E+24
Surface area
9.5294087449692E+16
Circumference
547151903.09684
Perimeter
348327720
Area
7583262532524900
Diagonal
123152446.44362
Surface area
45499575195149400
Volume
6.6036513702896E+23
Space diagonal
150830327.18116
Perimeter
261245790
Area
3.2836489983666E+15
Altitude
75415163.590578
Surface area
3.2836489983666E+15
Volume
7.782477774206E+22
Height
41050815.481208