85381491 is an odd 8-digits composite number following 85381490
and preceding 85381492 . In scientific notation, it is written as 8.5381491 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 52448256 positive integers (up to 85381491) that are relatively prime to 85381491.
85381491 has 16 divisors, whose sum is 122818976
The reverse of 85381491 is 19418358
Previous prime number is 3253
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-five million three hundred eighty-one thousand four hundred ninety-one
Scientific notation
8.5381491 × 10^7
Engineering notation
8.5381491 × 10^6
Prime Factorization
3 × 13 × 3253 × 673
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
85381491
Product of the distinct prime numbers
The prime factorization of 85381491 is 3 × 13 × 3253 × 673.
Since it has a total of 4 prime factors.
2 , 5 , 10 , 57 , 117 , 331 , 99 , 8785 , 23821 , 54950 , 115738 , 518597 , 4977440 , 3248046 , 45444114 , 66951836 , 303749616 , 784281639 , 9415997680 , 7306232211
n×2
170762982
n×3
256144473
n×4
341525964
n×5
426907455
n÷2
42690745.5
n÷3
28460497
n÷3
21345372.75
n÷5
17076298.2
n2
7289999005383081
n3
6.2243098446812E+23
n4
5.3144085498486E+31
n5
4.5375212576922E+39
2 √n
9240.2105495492
3 √n
440.3397702736
4 √n
96.126013906482
5 √n
38.572052296007
1 , 3 , 13 , 39 , 673 , 2019 , 3253 , 8749 , 9759 , 26247 , 42289 , 126867 , 2189269 , 6567807 , 28460497 , 85381491
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
-85381490
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 85381491 can be divided by 16 positive divisors.
The sum of these divisors (counting 85381491) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000101101101000101110011
3
Ternary
12221122211101110
4
Quaternary
11011231011303
5
Quinary
133324201431
6
Senary
12250004403
8
Octal
505550563
10
Decimal
85381491
12
Duodecimal
24716703
16
Hexadecimal
516d173
20
Vigesimal
16dcdeb
36
Base36
1eu0s3
md5
d1d51716ac2556ab3cb0788c7eb6b50e
sha1
614e0d4f98923c1b9f77492e0f657ccdee0398a7
sha256
d71bcc9dc65fe037347d8e913e487bb22ba967cbd3d9dda4feeef5edfacd21bb
sha512
ac4e749f031429cbc327990acde43ee1df8e8587679e27fb3cc0db60fe25c25e931ad17f1c9eea2fc0d1e632a0dcb449f8ee88d60e92a7204b64900003f8a068
ripemd-160
a20e95bc871287cf7715cd92344e0d339b78a88b
Diameter
170762982
Circumference
536467729.75629
Area
2.2902207319988E+16
Volume
2.6072328108956E+24
Surface area
9.1608829279954E+16
Circumference
536467729.75629
Perimeter
341525964
Area
7289999005383081
Diagonal
120747662.54784
Surface area
43739994032298486
Volume
6.2243098446812E+23
Space diagonal
147885080.43798
Perimeter
256144473
Area
3.1566621661125E+15
Altitude
73942540.218992
Surface area
3.1566621661125E+15
Volume
7.3354194989672E+22
Height
40249220.849279