85215887 is an odd 8-digits prime number following 85215886
and preceding 85215888 . In scientific notation, it is written as 8.5215887 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 85215886 positive integers (up to 85215887) that are relatively prime to 85215887.
85215887 has 2 divisors, whose sum is 85215888
The reverse of 85215887 is 78851258
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 44 Digital Root 8
Name
eighty-five million two hundred fifteen thousand eight hundred eighty-seven
Scientific notation
8.5215887 × 10^7
Engineering notation
8.5215887 × 10^6
Prime Factorization
85215887
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
85215887 Product of the distinct prime numbers
The prime factorization of 85215887 is 85215887.
Since it has a total of 1 prime factors.
8 , 9 , 19 , 99 , 579 , 626 , 8018 , 3142 , 43784 , 76914 , 350979 , 829249 , 6836618 , 9877814 , 48671624 , 43809393 , 305255266 , 303832662 , 3842911658 , 7968638321
n×2
170431774
n×3
255647661
n×4
340863548
n×5
426079435
n÷2
42607943.5
n÷3
28405295.666667
n÷3
21303971.75
n÷5
17043177.4
n2
7261747397196769
n3
6.1881624562206E+23
n4
5.2732975260694E+31
n5
4.4936872609891E+39
2 √n9231.2451489493
3 √n440.05489501044
4 √n96.079369007864
5 √n38.55707797871
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
85215888 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
42607944 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9231.2452031132 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999765302 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85215887 can be divided by 2 positive divisors.
The sum of these divisors (counting 85215887) is 85215888, the average is 42607944.
Base
System
Value
2
Binary
101000101000100101010001111
3
Ternary
12221100102012222
4
Quaternary
11011010222033
5
Quinary
133303402022
6
Senary
12242245555
8
Octal
505045217
10
Decimal
85215887
12
Duodecimal
246568bb
16
Hexadecimal
5144a8f
20
Vigesimal
16cbje7
36
Base36
1eqgzz
md5
0c058e2b5da0c9396f0b4e85d2d5011d
sha1
242ac929d5b2b97733dcd1d430ad74319c90bc7b
sha256
a4332a8fca9a4628eec958e2b8ebfaf311b89ced5e8563de4ba2d98895ad125e
sha512
4828ddb1aabc9da26819769c329ca13c9530f6cbf134ac176c2adc64fbe5c1e147f555877eed0438de3c97f6e001d84403c18746ae429373f8e3eeec8e8f8810
ripemd-160
f3b24978bec57ccc2ca41cea53d95e9efc405264
Diameter
170431774
Circumference
535427209.13668
Area
2.2813452275258E+16
Volume
2.5920914282244E+24
Surface area
9.1253809101033E+16
Circumference
535427209.13668
Perimeter
340863548
Area
7261747397196769
Diagonal
120513463.12505
Surface area
43570484383180614
Volume
6.1881624562206E+23
Space diagonal
147598245.89605
Perimeter
255647661
Area
3.144428860919E+15
Altitude
73799122.948024
Surface area
3.144428860919E+15
Volume
7.2928193931294E+22
Height
40171154.375018