85454987 is an odd 8-digits composite number following 85454986
and preceding 85454988 . In scientific notation, it is written as 8.5454987 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 84982680 positive integers (up to 85454987) that are relatively prime to 85454987.
85454987 has 4 divisors, whose sum is 85927296
The reverse of 85454987 is 78945458
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighty-five million four hundred fifty-four thousand nine hundred eighty-seven
Scientific notation
8.5454987 × 10^7
Engineering notation
8.5454987 × 10^6
Prime Factorization
181 × 472127
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
85454987
Product of the distinct prime numbers
The prime factorization of 85454987 is 181 × 472127.
Since it has a total of 2 prime factors.
8 , 6 , 30 , 100 , 938 , 273 , 9255 , 8881 , 83502 , 6368 , 224031 , 202432 , 4100981 , 3599663 , 45594498 , 13693221 , 516320220 , 18490942 , 8155774755 , 8456936555
n×2
170909974
n×3
256364961
n×4
341819948
n×5
427274935
n÷2
42727493.5
n÷3
28484995.666667
n÷3
21363746.75
n÷5
17090997.4
n2
7302554803170169
n3
6.2403972577169E+23
n4
5.3327306653304E+31
n5
4.5570842968031E+39
2 √n
9244.1866597338
3 √n
440.46608152982
4 √n
96.1466934415
5 √n
38.578690540249
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
-85454986
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 85454987 can be divided by 4 positive divisors.
The sum of these divisors (counting 85454987) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000101111111000010001011
3
Ternary
12221210120012112
4
Quaternary
11011333002023
5
Quinary
133334024422
6
Senary
12251332535
8
Octal
505770213
10
Decimal
85454987
12
Duodecimal
2475114b
16
Hexadecimal
517f08b
20
Vigesimal
16e1h97
36
Base36
1evlhn
md5
001a38c8bd0dbb05cafc3c3a7b549fad
sha1
09eacf365992d9b78c4ddb5bbdc98c16582a81d8
sha256
8907dd79ca1ca629aa0318d44c4fd0b3ee6663cbf88dba6bd73ceab4011288d9
sha512
6949151d0c26d93a2ff641935a40790120a85b57646e70cdf3751643deb8ebd3ad32237293657b5e2d1d8743d98677f6f2909bae083c65cefb262a0a320dbc5d
ripemd-160
fbaee2575977a12e00f4246761483a4bcd82006d
Diameter
170909974
Circumference
536929518.74362
Area
2.2941652522076E+16
Volume
2.6139714907101E+24
Surface area
9.1766610088305E+16
Circumference
536929518.74362
Perimeter
341819948
Area
7302554803170169
Diagonal
120851601.58782
Surface area
43815328819021014
Volume
6.2403972577169E+23
Space diagonal
148012379.24414
Perimeter
256364961
Area
3.1620989860367E+15
Altitude
74006189.622069
Surface area
3.1620989860367E+15
Volume
7.3543786970493E+22
Height
40283867.195939