87438961 is an odd 8-digits prime number following 87438960
and preceding 87438962 . In scientific notation, it is written as 8.7438961 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 87438960 positive integers (up to 87438961) that are relatively prime to 87438961.
87438961 has 2 divisors, whose sum is 87438962
The reverse of 87438961 is 16983478
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 46 Digital Root 1
Name
eighty-seven million four hundred thirty-eight thousand nine hundred sixty-one
Scientific notation
8.7438961 × 10^7
Engineering notation
8.7438961 × 10^6
Prime Factorization
87438961
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
87438961 Product of the distinct prime numbers
The prime factorization of 87438961 is 87438961.
Since it has a total of 1 prime factors.
3 , 5 , 55 , 2 , 975 , 232 , 4102 , 7043 , 41543 , 99595 , 658439 , 682210 , 8964681 , 3184909 , 27396961 , 88455313 , 572528756 , 402532590 , 1063319517 , 1979946576
n×2
174877922
n×3
262316883
n×4
349755844
n×5
437194805
n÷2
43719480.5
n÷3
29146320.333333
n÷3
21859740.25
n÷5
17487792.2
n2
7645571900759521
n3
6.6852086325321E+23
n4
5.8454769689684E+31
n5
5.1112243271602E+39
2 √n9350.8802259466
3 √n443.84874491016
4 √n96.699949461965
5 √n38.756182980797
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
87438962 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
43719481 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9350.8802794175 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999771269 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87438961 can be divided by 2 positive divisors.
The sum of these divisors (counting 87438961) is 87438962, the average is 43719481.
Base
System
Value
2
Binary
101001101100011011001110001
3
Ternary
20002112100201001
4
Quaternary
11031203121301
5
Quinary
134341021321
6
Senary
12402042001
8
Octal
515433161
10
Decimal
87438961
12
Duodecimal
25349301
16
Hexadecimal
5363671
20
Vigesimal
1769h81
36
Base36
1g24c1
md5
91cc5c3198e50b78c8cc80665d80c494
sha1
07d8cdfcff5b17a2c0ae54e40b778dfc531790b8
sha256
0dbd24946d8417d62ec51307d932e3629defbbc856098a97ab62f657bf9bfcea
sha512
04d02f6354f4f6c794e8cae302fe6b0095f99125d3b71bba5cb8c1d20f27c620f40856c54586217905896d58c6c96ef04b0fa0d804943130866e2536d60cec06
ripemd-160
88228b983ce7f48af8316dd007c87ee3a3a845da
Diameter
174877922
Circumference
549395195.03025
Area
2.4019272515919E+16
Volume
2.8002936436904E+24
Surface area
9.6077090063675E+16
Circumference
549395195.03025
Perimeter
349755844
Area
7645571900759521
Diagonal
123657364.52601
Surface area
45873431404557126
Volume
6.6852086325321E+23
Space diagonal
151448723.01303
Perimeter
262316883
Area
3.3106297462591E+15
Altitude
75724361.506517
Surface area
3.3106297462591E+15
Volume
7.8785939295171E+22
Height
41219121.508671