87387813 is an odd 8-digits composite number following 87387812
and preceding 87387814 . In scientific notation, it is written as 8.7387813 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 58258536 positive integers (up to 87387813) that are relatively prime to 87387813.
87387813 has 4 divisors, whose sum is 97097580
The reverse of 87387813 is 31878378
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-seven million three hundred eighty-seven thousand eight hundred thirteen
Scientific notation
8.7387813 × 10^7
Engineering notation
8.7387813 × 10^6
Prime Factorization
9 × 9709757
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87387813
Product of the distinct prime numbers
The prime factorization of 87387813 is 9 × 9709757.
Since it has a total of 2 prime factors.
5 , 10 , 90 , 35 , 649 , 280 , 2500 , 9877 , 86272 , 41956 , 144313 , 626360 , 2681163 , 1321299 , 9175171 , 92371512 , 691817784 , 686889748 , 2723420084 , 696218784
n×2
174775626
n×3
262163439
n×4
349551252
n×5
436939065
n÷2
43693906.5
n÷3
29129271
n÷3
21846953.25
n÷5
17477562.6
n2
7636629860922969
n3
6.6734838223655E+23
n4
5.831811563274E+31
n5
5.0962925834263E+39
2 √n
9348.1448961813
3 √n
443.76218394107
4 √n
96.685805039733
5 √n
38.751647782274
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87387812
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87387813 can be divided by 4 positive divisors.
The sum of these divisors (counting 87387813) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001101010110111010100101
3
Ternary
20002102202112200
4
Quaternary
11031112322211
5
Quinary
134332402223
6
Senary
12401005113
8
Octal
515267245
10
Decimal
87387813
12
Duodecimal
25323799
16
Hexadecimal
5356ea5
20
Vigesimal
17639ad
36
Base36
1g10v9
md5
4dae75b3e5e4e76cadc01a0b12d99774
sha1
326aa91f904c0b264627532bb7f9700ce9889627
sha256
d1c6755223f4ee148d1bdc540d1d8bd40cebcd62c8321f3a991d6ebd4da8b098
sha512
c3d51f3ba1feb4cac82887113169ad55f5700a44b29de5268c5e33d0259f35732b02646edf40a8b2e38ede5969f86749c9e4d660e73717b1cb8171174742142f
ripemd-160
7a0211ebd10d9354bb4d22a21d31ffc0e5d46d5a
Diameter
174775626
Circumference
549073822.66816
Area
2.399118026926E+16
Volume
2.7953823666925E+24
Surface area
9.596472107704E+16
Circumference
549073822.66816
Perimeter
349551252
Area
7636629860922969
Diagonal
123585030.33072
Surface area
45819779165537814
Volume
6.6734838223655E+23
Space diagonal
151360132.07833
Perimeter
262163439
Area
3.3067577294291E+15
Altitude
75680066.039164
Surface area
3.3067577294291E+15
Volume
7.8647761082223E+22
Height
41195010.110241