87438906 is an even 8-digits composite number following 87438905
and preceding 87438907 . In scientific notation, it is written as 8.7438906 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 29146284 positive integers (up to 87438906) that are relatively prime to 87438906.
87438906 has 16 divisors, whose sum is 194308800
The reverse of 87438906 is 60983478
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-seven million four hundred thirty-eight thousand nine hundred six
Scientific notation
8.7438906 × 10^7
Engineering notation
8.7438906 × 10^6
Prime Factorization
2 × 3 × 3 × 3 × 1619239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9715434
Product of the distinct prime numbers
The prime factorization of 87438906 is 2 × 3 × 3 × 3 × 1619239.
Since it has a total of 5 prime factors.
9 , 6 , 64 , 7 , 338 , 923 , 9427 , 6449 , 42003 , 23109 , 223905 , 36894 , 8567163 , 1341856 , 85062611 , 78201703 , 97559550 , 232130672 , 3869637433 , 1214854526
n×2
174877812
n×3
262316718
n×4
349755624
n×5
437194530
n÷2
43719453
n÷3
29146302
n÷3
21859726.5
n÷5
17487781.2
n2
7645562282476836
n3
6.6851960173464E+23
n4
5.8454622615232E+31
n5
5.1112082521188E+39
2 √n
9350.8772850466
3 √n
443.84865184834
4 √n
96.699934255648
5 √n
38.756178105189
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 1619239 , 3238478 , 4857717 , 9715434 , 14573151 , 29146302 , 43719453 , 87438906
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
-87438905
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 87438906 can be divided by 16 positive divisors.
The sum of these divisors (counting 87438906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001101100011011000111010
3
Ternary
20002112100122000
4
Quaternary
11031203120322
5
Quinary
134341021111
6
Senary
12402041430
8
Octal
515433072
10
Decimal
87438906
12
Duodecimal
25349276
16
Hexadecimal
536363a
20
Vigesimal
1769h56
36
Base36
1g24ai
md5
168bb306df2182cb263bb8efa63a228e
sha1
a1e41b20bb6ce33327769049081812ab09463c9b
sha256
35415a370bed17341042615eed883e47a86bc898d699bf3004b079fc36bb1820
sha512
91bcb9628b8e2d89cf2ade9716439c00d6a93873a0e6cd42251c84709601590e526a1bce8299d76b1b0b0177b7f0d26b0e8bd06d17c657f74d0493be71ee2ab2
ripemd-160
00e7b1a71f2a214f1a04b5d6556acf8df602a639
Diameter
174877812
Circumference
549394849.45506
Area
2.4019242299192E+16
Volume
2.8002883594537E+24
Surface area
9.607696919677E+16
Circumference
549394849.45506
Perimeter
349755624
Area
7645562282476836
Diagonal
123657286.74427
Surface area
45873373694861016
Volume
6.6851960173464E+23
Space diagonal
151448627.75024
Perimeter
262316718
Area
3.3106255814205E+15
Altitude
75724313.87512
Surface area
3.3106255814205E+15
Volume
7.8785790623782E+22
Height
41219095.581422