861363985 is an odd 9-digits composite number following 861363984
and preceding 861363986 . In scientific notation, it is written as 8.61363985 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 663897600 positive integers (up to 861363985) that are relatively prime to 861363985.
861363985 has 16 divisors, whose sum is 1071724032
The reverse of 861363985 is 589363168
Previous prime number is 227
Is Prime? no Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
eight hundred sixty-one million three hundred sixty-three thousand nine hundred eighty-five
Scientific notation
8.61363985 × 10^8
Engineering notation
8.61363985 × 10^6
Prime Factorization
5 × 31 × 227 × 24481
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
861363985 Product of the distinct prime numbers
The prime factorization of 861363985 is 5 × 31 × 227 × 24481.
Since it has a total of 4 prime factors.
3 , 7 , 43 , 84 , 457 , 473 , 1791 , 8597 , 69018 , 11164 , 808221 , 199821 , 8568726 , 8094493 , 64757484 , 69898499 , 938125646 , 334028900 , 5932086920 , 106682287
n×2
1722727970
n×3
2584091955
n×4
3445455940
n×5
4306819925
n÷2
430681992.5
n÷3
287121328.33333
n÷3
215340996.25
n÷5
172272797
n2
741947914655080225
n3
6.3908721242974E+26
n4
5.5048670806102E+35
n5
4.7416942454497E+44
2 √n29349.003134689
3 √n951.47103032895
4 √n171.31550757211
5 √n61.240304558526
1 , 5 , 31 , 155 , 227 , 1135 , 7037 , 24481 , 35185 , 122405 , 758911 , 3794555 , 5557187 , 27785935 , 172272797 , 861363985
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
-861363984 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 861363985 can be divided by 16 positive divisors.
The sum of these divisors (counting 861363985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110011010101110101111100010001
3
Ternary
2020000210211020211
4
Quaternary
303111311330101
5
Quinary
3231002121420
6
Senary
221250004121
8
Octal
6325657421
10
Decimal
861363985
12
Duodecimal
200576641
16
Hexadecimal
33575f11
20
Vigesimal
d93a9j5
36
Base36
e8u0pd
md5
40fb52c864185ce548b6997620f2e28b
sha1
b178645eca037fcd68967cded24c8586750a159d
sha256
c93654985e551ea42aea2f3300022eb35721372b166d0d1fd175dd970a8b0ad4
sha512
a4879ccd299cd0b1fd016f397b1d0b47c3f56e4b58e486f4b5e27b6decf0258fdfb4ce0eb7a6b617902a6228232eee137f28242fd6fd90ebfd6a33e19e62854d
ripemd-160
bfaaefc249d31eb38dfca5a195cb3c5527bb164f
Diameter
1722727970
Circumference
5412109534.6857
Area
2.3308981180267E+18
Volume
2.6770022554299E+27
Surface area
9.3235924721067E+18
Circumference
5412109534.6857
Perimeter
3445455940
Area
741947914655080225
Diagonal
1218152629.7267
Surface area
4451687487930481350
Volume
6.3908721242974E+26
Space diagonal
1491926185.83
Perimeter
2584091955
Area
3.2127287118809E+17
Altitude
745963092.915
Surface area
3.2127287118809E+17
Volume
7.5317150279779E+25
Height
406050876.57558