87081378 is an even 8-digits composite number following 87081377
and preceding 87081379 . In scientific notation, it is written as 8.7081378 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 27319616 positive integers (up to 87081378) that are relatively prime to 87081378.
87081378 has 8 divisors, whose sum is 133183440
The reverse of 87081378 is 87318078
Previous prime number is 51
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-seven million eighty-one thousand three hundred seventy-eight
Scientific notation
8.7081378 × 10^7
Engineering notation
8.7081378 × 10^6
Prime Factorization
2 × 51 × 853739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87081378
Product of the distinct prime numbers
The prime factorization of 87081378 is 2 × 51 × 853739.
Since it has a total of 3 prime factors.
9 , 2 , 13 , 41 , 480 , 419 , 5455 , 8316 , 61630 , 2700 , 456883 , 899576 , 3419877 , 4679412 , 94369441 , 64239238 , 443670254 , 955971538 , 7160630803 , 474133931
n×2
174162756
n×3
261244134
n×4
348325512
n×5
435406890
n÷2
43540689
n÷3
29027126
n÷3
21770344.5
n÷5
17416275.6
n2
7583166394378884
n3
6.603525792258E+23
n4
5.7504412564837E+31
n5
5.0075634872265E+39
2 √n
9331.740352153
3 √n
443.24287612428
4 √n
96.600933495246
5 √n
38.724432196681
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
-87081377
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 87081378 can be divided by 8 positive divisors.
The sum of these divisors (counting 87081378) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100001100000110100010
3
Ternary
20001212012012020
4
Quaternary
11030030012202
5
Quinary
134243101003
6
Senary
12350242310
8
Octal
514140642
10
Decimal
87081378
12
Duodecimal
251b6396
16
Hexadecimal
530c1a2
20
Vigesimal
174538i
36
Base36
1fugf6
md5
8953b56a10817a67a0bd4e39050a3649
sha1
6d6d6f94aa1eefee8eab6ea1be74ec3034cb5dd0
sha256
103e69a303d9399863f5ea87ec9251ce0bcd7940f81c83083f61ebcb9c6fc1e2
sha512
53926104296d63bea2332af68020de8a86b52dc969c81303c1b5e7b1d84eab338c1c1570001dcb58e68d1f6acac3d1d49979ac3920f519b30d348e2b84ec643f
ripemd-160
d2e75ed009b19910b13ac27ac7ff9b9f196ff33d
Diameter
174162756
Circumference
547148434.77855
Area
2.382321983553E+16
Volume
2.7660784155665E+24
Surface area
9.5292879342119E+16
Circumference
547148434.77855
Perimeter
348325512
Area
7583166394378884
Diagonal
123151665.79774
Surface area
45498998366273304
Volume
6.603525792258E+23
Space diagonal
150829371.08911
Perimeter
261244134
Area
3.2836073693283E+15
Altitude
75414685.544555
Surface area
3.2836073693283E+15
Volume
7.7823297790766E+22
Height
41050555.265913