85187989 is an odd 8-digits prime number following 85187988
and preceding 85187990 . In scientific notation, it is written as 8.5187989 × 10^7.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 85187988 positive integers (up to 85187989) that are relatively prime to 85187989.
85187989 has 2 divisors, whose sum is 85187990
The reverse of 85187989 is 98978158
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighty-five million one hundred eighty-seven thousand nine hundred eighty-nine
Scientific notation
8.5187989 × 10^7
Engineering notation
8.5187989 × 10^6
Prime Factorization
85187989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
85187989
Product of the distinct prime numbers
The prime factorization of 85187989 is 85187989.
Since it has a total of 1 prime factors.
5 , 4 , 79 , 15 , 217 , 810 , 7462 , 4380 , 61581 , 39063 , 650248 , 619089 , 9619220 , 2995358 , 5990281 , 96712755 , 110974086 , 592781822 , 5967914032 , 6277621099
n×2
170375978
n×3
255563967
n×4
340751956
n×5
425939945
n÷2
42593994.5
n÷3
28395996.333333
n÷3
21296997.25
n÷5
17037597.8
n2
7256993469864121
n3
6.1820867988386E+23
n4
5.266395422165E+31
n5
4.4863363529305E+39
2 √n
9229.7339614964
3 √n
440.00686800574
4 √n
96.071504419866
5 √n
38.554553082736
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
85187990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
42593995
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9229.7340156691
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999765225
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85187989 can be divided by 2 positive divisors.
The sum of these divisors (counting 85187989) is 85187990, the average is 42593995.
Base
System
Value
2
Binary
101000100111101110110010101
3
Ternary
12221021222221201
4
Quaternary
11010331312111
5
Quinary
133302003424
6
Senary
12241512501
8
Octal
504756625
10
Decimal
85187989
12
Duodecimal
24642731
16
Hexadecimal
513dd95
20
Vigesimal
16c89j9
36
Base36
1epvh1
md5
9a1b3a388b269777707a8e264b8d5a4e
sha1
3b2fee0fd180ec918289e43533b57b337fbecb06
sha256
b27ab964f2f13f773287b146a4f8426717ae135f44b6870756a3a46e07ad7841
sha512
529730454929cb4a1014b780c6a833ff672aee0fe0a715a969cd21804a34a2fa5221c206a76687a2042376af29303d2367b8336689ad0a1cf937cb216a7dd28f
ripemd-160
145e33783189820734c93f6084d5047a3460018d
Diameter
170375978
Circumference
535251920.83298
Area
2.2798517372074E+16
Volume
2.5895464628114E+24
Surface area
9.1194069488297E+16
Circumference
535251920.83298
Perimeter
340751956
Area
7256993469864121
Diagonal
120474009.39509
Surface area
43541960819184726
Volume
6.1820867988386E+23
Space diagonal
147549925.14262
Perimeter
255563967
Area
3.1423703500001E+15
Altitude
73774962.571309
Surface area
3.1423703500001E+15
Volume
7.2856591622376E+22
Height
40158003.131697