87081872 is an even 8-digits composite number following 87081871
and preceding 87081873 . In scientific notation, it is written as 8.7081872 × 10^7.
The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors.
There are 43051008 positive integers (up to 87081872) that are relatively prime to 87081872.
87081872 has 20 divisors, whose sum is 170619660
The reverse of 87081872 is 27818078
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-seven million eighty-one thousand eight hundred seventy-two
Scientific notation
8.7081872 × 10^7
Engineering notation
8.7081872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 89 × 61153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10885234
Product of the distinct prime numbers
The prime factorization of 87081872 is 2 × 2 × 2 × 2 × 89 × 61153.
Since it has a total of 6 prime factors.
9 , 7 , 3 , 38 , 316 , 216 , 7922 , 831 , 14015 , 61288 , 650866 , 977861 , 4893990 , 5683498 , 83514290 , 55488115 , 880527333 , 365363734 , 2521815086 , 9577538679
n×2
174163744
n×3
261245616
n×4
348327488
n×5
435409360
n÷2
43540936
n÷3
29027290.666667
n÷3
21770468
n÷5
17416374.4
n2
7583252431024384
n3
6.6036381754215E+23
n4
5.7505717432637E+31
n5
5.0077055247371E+39
2 √n
9331.7668209187
3 √n
443.2437142735
4 √n
96.601070495718
5 √n
38.724476132196
1 , 2 , 4 , 8 , 16 , 89 , 178 , 356 , 712 , 1424 , 61153 , 122306 , 244612 , 489224 , 978448 , 5442617 , 10885234 , 21770468 , 43540936 , 87081872
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87081871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87081872 can be divided by 20 positive divisors.
The sum of these divisors (counting 87081872) is 1, the average is 0.05.
Base
System
Value
2
Binary
101001100001100001110010000
3
Ternary
20001212012212112
4
Quaternary
11030030032100
5
Quinary
134243104442
6
Senary
12350244452
8
Octal
514141620
10
Decimal
87081872
12
Duodecimal
251b6728
16
Hexadecimal
530c390
20
Vigesimal
17454dc
36
Base36
1fugsw
md5
b4d9836b4d6a7e22492bac0a2757e301
sha1
d04b33f58049199f42e828c278c7ad86b28ddd7b
sha256
5a7e265ebc310037bda498628e4096f3d8658099bd6c4648387c6e39aa322a97
sha512
66258c43a9052389a2e9d62e2f94d7657666d4e5d8369ad71be28d5251c999fc56211da32ecf5784ecfe7e02ee54284e8676bdea4c49a8f5eac8ab803c2d3764
ripemd-160
8459057526a96f89ad0ed7e0777c9dc08ff4e2fc
Diameter
174163744
Circumference
547151538.67209
Area
2.3823490127623E+16
Volume
2.7661254905159E+24
Surface area
9.5293960510493E+16
Circumference
547151538.67209
Perimeter
348327488
Area
7583252431024384
Diagonal
123152364.41924
Surface area
45499514586146304
Volume
6.6036381754215E+23
Space diagonal
150830226.72221
Perimeter
261245616
Area
3.2836446242886E+15
Altitude
75415113.361105
Surface area
3.2836446242886E+15
Volume
7.7824622239049E+22
Height
41050788.139746