85521387 is an odd 8-digits composite number following 85521386
and preceding 85521388 . In scientific notation, it is written as 8.5521387 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 48869352 positive integers (up to 85521387) that are relatively prime to 85521387.
85521387 has 4 divisors, whose sum is 89593856
The reverse of 85521387 is 78312558
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-five million five hundred twenty-one thousand three hundred eighty-seven
Scientific notation
8.5521387 × 10^7
Engineering notation
8.5521387 × 10^6
Prime Factorization
21 × 4072447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
85521387
Product of the distinct prime numbers
The prime factorization of 85521387 is 21 × 4072447.
Since it has a total of 2 prime factors.
10 , 6 , 36 , 55 , 662 , 466 , 7937 , 6532 , 38821 , 85413 , 952387 , 554820 , 7753703 , 5482275 , 97551197 , 19759074 , 673644660 , 358340943 , 4711087770 , 8346543523
n×2
171042774
n×3
256564161
n×4
342085548
n×5
427606935
n÷2
42760693.5
n÷3
28507129
n÷3
21380346.75
n÷5
17104277.4
n2
7313907634403769
n3
6.254955252841E+23
n4
5.349324488459E+31
n5
4.5748164976608E+39
2 √n
9247.7774086534
3 √n
440.58013524387
4 √n
96.165364911975
5 √n
38.584683939445
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-85521386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85521387 can be divided by 4 positive divisors.
The sum of these divisors (counting 85521387) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000110001111001111101011
3
Ternary
12221220221021210
4
Quaternary
11012033033223
5
Quinary
133343141022
6
Senary
12253004203
8
Octal
506171753
10
Decimal
85521387
12
Duodecimal
24783663
16
Hexadecimal
518f3eb
20
Vigesimal
16ea397
36
Base36
1ex0q3
md5
2ede56242c08419f9c1d0b7e359a3644
sha1
2c6fc9f9626947bbb77cd6a118dc810140ca7e59
sha256
d19d9ecc85ea7dfdf170f1a9f40b40d68ca25418dd5a114e5a304f296cca5357
sha512
0391754ebeb9d053711b313184db4fce7e352dc472175248d336419b36294a5ae44cef792f4ca5736db6a3c99994d8fd022ccba789ee8b19a7443b664939bf7d
ripemd-160
39b8e927c3ebd9cf404a686bd1047c52f18e80a7
Diameter
171042774
Circumference
537346722.24802
Area
2.2977318493277E+16
Volume
2.6200695294478E+24
Surface area
9.1909273973109E+16
Circumference
537346722.24802
Perimeter
342085548
Area
7313907634403769
Diagonal
120945505.36836
Surface area
43883445806422614
Volume
6.254955252841E+23
Space diagonal
148127387.41776
Perimeter
256564161
Area
3.1670149061633E+15
Altitude
74063693.70888
Surface area
3.1670149061633E+15
Volume
7.3715354588371E+22
Height
40315168.456119