812153985 is an odd 9-digits composite number following 812153984
and preceding 812153986 . In scientific notation, it is written as 8.12153985 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 432111680 positive integers (up to 812153985) that are relatively prime to 812153985.
812153985 has 16 divisors, whose sum is 1302557760
The reverse of 812153985 is 589351218
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
eight hundred twelve million one hundred fifty-three thousand nine hundred eighty-five
Scientific notation
8.12153985 × 10^8
Engineering notation
8.12153985 × 10^6
Prime Factorization
3 × 5 × 419 × 129221
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
812153985
Product of the distinct prime numbers
The prime factorization of 812153985 is 3 × 5 × 419 × 129221.
Since it has a total of 4 prime factors.
7 , 1 , 89 , 73 , 273 , 417 , 784 , 5934 , 39118 , 88054 , 890680 , 440458 , 9248355 , 7567933 , 23231468 , 7232312 , 184506888 , 129381784 , 1971417863 , 2427634122
n×2
1624307970
n×3
2436461955
n×4
3248615940
n×5
4060769925
n÷2
406076992.5
n÷3
270717995
n÷3
203038496.25
n÷5
162430797
n2
659594095351380225
n3
5.3569197302209E+26
n4
4.3506437062241E+35
n5
3.533392623325E+44
2 √n
28498.315476533
3 √n
932.99530836055
4 √n
168.81444095969
5 √n
60.524007431138
1 , 3 , 5 , 15 , 419 , 1257 , 2095 , 6285 , 129221 , 387663 , 646105 , 1938315 , 54143599 , 162430797 , 270717995 , 812153985
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
-812153984
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 812153985 can be divided by 16 positive divisors.
The sum of these divisors (counting 812153985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011010000111110010000001
3
Ternary
2002121012200211020
4
Quaternary
300122013302001
5
Quinary
3130402411420
6
Senary
212331140053
8
Octal
6032076201
10
Decimal
812153985
12
Duodecimal
1a7ba4629
16
Hexadecimal
30687c81
20
Vigesimal
cdfj4j5
36
Base36
dfja0x
md5
f63a1f581f9a352fb650b1936cb65bf3
sha1
f0efbb4cbd7dad48bd57901467c8b3b3388631f2
sha256
8bc4c10f059a0dd4d8d7527ce02371edb766eefdd81316df1fefaef99f27a423
sha512
1316918dc73e52252c73a358190e3bbfa72685acdf54912fcc32982312aa3fa4f354cb55e9f634519d30812f7a1810bbd6619a8bd2db3f39ca6076030a53b1e3
ripemd-160
22d356d1965884f48796b1d44af5c8ffb342c52e
Diameter
1624307970
Circumference
5102913985.7193
Area
2.0721759643071E+18
Volume
2.2439012893776E+27
Surface area
8.2887038572284E+18
Circumference
5102913985.7193
Perimeter
3248615940
Area
659594095351380225
Diagonal
1148559180.3224
Surface area
3957564572108281350
Volume
5.3569197302209E+26
Space diagonal
1406691965.5895
Perimeter
2436461955
Area
2.8561262138026E+17
Altitude
703345982.79477
Surface area
2.8561262138026E+17
Volume
6.3131904458521E+25
Height
382853060.10745