85405890 is an even 8-digits composite number following 85405889
and preceding 85405891 . In scientific notation, it is written as 8.5405890 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 22774896 positive integers (up to 85405890) that are relatively prime to 85405890.
85405890 has 16 divisors, whose sum is 204974208
The reverse of 85405890 is 09850458
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-five million four hundred five thousand eight hundred ninety
Scientific notation
8.5405890 × 10^7
Engineering notation
8.5405890 × 10^6
Prime Factorization
2 × 3 × 5 × 2846863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
85405890
Product of the distinct prime numbers
The prime factorization of 85405890 is 2 × 3 × 5 × 2846863.
Since it has a total of 4 prime factors.
9 , 2 , 91 , 11 , 958 , 568 , 5462 , 519 , 42204 , 3610 , 622956 , 82751 , 4080290 , 2283781 , 41005414 , 96813812 , 4452760 , 902824123 , 964714410 , 4417247042
n×2
170811780
n×3
256217670
n×4
341623560
n×5
427029450
n÷2
42702945
n÷3
28468630
n÷3
21351472.5
n÷5
17081178
n2
7294166046692100
n3
6.2296474302552E+23
n4
5.3204858316716E+31
n5
4.544008276863E+39
2 √n
9241.530717365
3 √n
440.38171077182
4 √n
96.132880521521
5 √n
38.574256548793
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 2846863 , 5693726 , 8540589 , 14234315 , 17081178 , 28468630 , 42702945 , 85405890
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
-85405889
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 85405890 can be divided by 16 positive divisors.
The sum of these divisors (counting 85405890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000101110011000011000010
3
Ternary
12221201001212010
4
Quaternary
11011303003002
5
Quinary
133330442030
6
Senary
12250313350
8
Octal
505630302
10
Decimal
85405890
12
Duodecimal
24728856
16
Hexadecimal
51730c2
20
Vigesimal
16dfeea
36
Base36
1eujlu
md5
8224b9faa59159df3ea205258eb01629
sha1
dcdc6731d09a78cdcf8ad47fd67a56e3a0e2f0f1
sha256
749b4c89bc4ef3750405a25eef09c5a050408ae60c1deb7175e969f093796019
sha512
be8af5eed1a5a3c306bc49a573b134bc6f6e0cd195593004840518407ad2f7e7ab71cbd1e7d21e85de380d1131b09675daef94ed4b62d5b4cc6156bf7c11e09a
ripemd-160
85bcbfcfe99e7abd0f1f6bc109319669090e504c
Diameter
170811780
Circumference
536621033.1946
Area
2.2915298466352E+16
Volume
2.6094686135126E+24
Surface area
9.1661193865408E+16
Circumference
536621033.1946
Perimeter
341623560
Area
7294166046692100
Diagonal
120782167.94454
Surface area
43764996280152600
Volume
6.2296474302552E+23
Space diagonal
147927340.74564
Perimeter
256217670
Area
3.1584665479286E+15
Altitude
73963670.372819
Surface area
3.1584665479286E+15
Volume
7.3417099038913E+22
Height
40260722.648182