87081878 is an even 8-digits composite number following 87081877
and preceding 87081879 . In scientific notation, it is written as 8.7081878 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 40134720 positive integers (up to 87081878) that are relatively prime to 87081878.
87081878 has 16 divisors, whose sum is 140870016
The reverse of 87081878 is 87818078
Previous prime number is 863
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-seven million eighty-one thousand eight hundred seventy-eight
Scientific notation
8.7081878 × 10^7
Engineering notation
8.7081878 × 10^6
Prime Factorization
2 × 13 × 863 × 3881
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87081878
Product of the distinct prime numbers
The prime factorization of 87081878 is 2 × 13 × 863 × 3881.
Since it has a total of 4 prime factors.
10 , 10 , 86 , 51 , 200 , 827 , 6347 , 3546 , 4851 , 87548 , 307956 , 253097 , 6066473 , 8649095 , 47559412 , 10981399 , 406577167 , 557455799 , 2541038569 , 8863197089
n×2
174163756
n×3
261245634
n×4
348327512
n×5
435409390
n÷2
43540939
n÷3
29027292.666667
n÷3
21770469.5
n÷5
17416375.6
n2
7583253476006884
n3
6.6036395404071E+23
n4
5.750573328137E+31
n5
5.0077072499088E+39
2 √n
9331.7671424013
3 √n
443.24372445343
4 √n
96.601072159688
5 √n
38.724476665825
1 , 2 , 13 , 26 , 863 , 1726 , 3881 , 7762 , 11219 , 22438 , 50453 , 100906 , 3349303 , 6698606 , 43540939 , 87081878
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
-87081877
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 87081878 can be divided by 16 positive divisors.
The sum of these divisors (counting 87081878) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001100001100001110010110
3
Ternary
20001212012212202
4
Quaternary
11030030032112
5
Quinary
134243110003
6
Senary
12350244502
8
Octal
514141626
10
Decimal
87081878
12
Duodecimal
251b6732
16
Hexadecimal
530c396
20
Vigesimal
17454di
36
Base36
1fugt2
md5
2becd83b53d6735292f8124eb26bf559
sha1
1e9f39143252af6d741cc8355fe85c8782b15a35
sha256
857d1595ce73b9ffe12f33ea8cf524dca229ba6cc5405b0fa90a6a5c32d5302b
sha512
d3d428bc5aefc10cd7f681b30acb213e04ef4eba3be3e487d424a4815f01744173ab58e8cafe8f6ad341c2471796b2137043ebc6a853ded55d0ce9b3bb878209
ripemd-160
51e5b9a1ee478a5d74bfe81ee3c4b82dd7d1f94f
Diameter
174163756
Circumference
547151576.37121
Area
2.3823493410532E+16
Volume
2.7661260622797E+24
Surface area
9.529397364213E+16
Circumference
547151576.37121
Perimeter
348327512
Area
7583253476006884
Diagonal
123152372.90452
Surface area
45499520856041304
Volume
6.6036395404071E+23
Space diagonal
150830237.11451
Perimeter
261245634
Area
3.2836450767793E+15
Altitude
75415118.557257
Surface area
3.2836450767793E+15
Volume
7.7824638325558E+22
Height
41050790.968173