861138961 is an odd 9-digits composite number following 861138960
and preceding 861138962 . In scientific notation, it is written as 8.61138961 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 810483712 positive integers (up to 861138961) that are relatively prime to 861138961.
861138961 has 4 divisors, whose sum is 911794212
The reverse of 861138961 is 169831168
Previous prime number is 17
Is Prime? no Number parity odd Number length 9 Sum of Digits 43 Digital Root 7
Name
eight hundred sixty-one million one hundred thirty-eight thousand nine hundred sixty-one
Scientific notation
8.61138961 × 10^8
Engineering notation
8.61138961 × 10^6
Prime Factorization
17 × 50655233
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
861138961 Product of the distinct prime numbers
The prime factorization of 861138961 is 17 × 50655233.
Since it has a total of 2 prime factors.
1 , 7 , 31 , 25 , 57 , 627 , 4234 , 3545 , 34798 , 46947 , 479609 , 218360 , 5422323 , 5474016 , 92383733 , 15743356 , 761377503 , 497911847 , 716340903 , 7827959509
n×2
1722277922
n×3
2583416883
n×4
3444555844
n×5
4305694805
n÷2
430569480.5
n÷3
287046320.33333
n÷3
215284740.25
n÷5
172227792.2
n2
741560310152159521
n3
6.3858647500327E+26
n4
5.4991169359297E+35
n5
4.735503844624E+44
2 √n29345.169295814
3 √n951.38816854701
4 √n171.30431779676
5 √n61.237104522588
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
-861138960 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 861138961 can be divided by 4 positive divisors.
The sum of these divisors (counting 861138961) is 1, the average is 0.25.
Base
System
Value
2
Binary
110011010100111111000000010001
3
Ternary
2020000101101120121
4
Quaternary
303110333000101
5
Quinary
3230422421321
6
Senary
221241110241
8
Octal
6324770021
10
Decimal
861138961
12
Duodecimal
200488381
16
Hexadecimal
3353f011
20
Vigesimal
d922781
36
Base36
e8p72p
md5
968a167ba2a644d0c992feaeb20ff82b
sha1
fc246fe4e0e88992cbafc89e6b6b52686d5e584e
sha256
6812e4409d34e26c826d7c058d4614417d62f610260d8b0af1df9201f11d88b6
sha512
2b7153b428d2400fc06f5761cd5048cd7a90c3a6bef26ad1830fc8f99062c4bb84f61a37e54deaced0ac545a8b9ac1f8211e502ec2da009d46e26f617a6a9d52
ripemd-160
168f9f4cdbffc59695de5a36fd8fe09b7c4fcf8f
Diameter
1722277922
Circumference
5410695667.1951
Area
2.3296804225678E+18
Volume
2.6749047714028E+27
Surface area
9.3187216902712E+18
Circumference
5410695667.1951
Perimeter
3444555844
Area
741560310152159521
Diagonal
1217834397.7341
Surface area
4449361860912957126
Volume
6.3858647500327E+26
Space diagonal
1491536432.8291
Perimeter
2583416883
Area
3.2110503351502E+17
Altitude
745768216.41454
Surface area
3.2110503351502E+17
Volume
7.5258137808137E+25
Height
405944799.24469