61287946 is an even 8-digits composite number following 61287945
and preceding 61287947 . In scientific notation, it is written as 6.1287946 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 30610668 positive integers (up to 61287946) that are relatively prime to 61287946.
61287946 has 8 divisors, whose sum is 92031840
The reverse of 61287946 is 64978216
Previous prime number is 947
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-one million two hundred eighty-seven thousand nine hundred forty-six
Scientific notation
6.1287946 × 10^7
Engineering notation
6.1287946 × 10^6
Prime Factorization
2 × 947 × 32359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61287946
Product of the distinct prime numbers
The prime factorization of 61287946 is 2 × 947 × 32359.
Since it has a total of 3 prime factors.
4 , 2 , 57 , 64 , 83 , 360 , 8514 , 80 , 16950 , 60783 , 984461 , 170986 , 5118653 , 9179756 , 94095847 , 32573108 , 991972453 , 205273477 , 2984865739 , 5052072522
n×2
122575892
n×3
183863838
n×4
245151784
n×5
306439730
n÷2
30643973
n÷3
20429315.333333
n÷3
15321986.5
n÷5
12257589.2
n2
3756212324898916
n3
2.3021053813294E+23
n4
1.4109131029723E+31
n5
8.6471966065656E+38
2 √n
7828.6618269025
3 √n
394.26814440216
4 √n
88.479725513264
5 √n
36.097324478327
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61287945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61287946 can be divided by 8 positive divisors.
The sum of these divisors (counting 61287946) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101001110010111000001010
3
Ternary
11021022202020221
4
Quaternary
3221302320022
5
Quinary
111142203241
6
Senary
10025340254
8
Octal
351627012
10
Decimal
61287946
12
Duodecimal
1863768a
16
Hexadecimal
3a72e0a
20
Vigesimal
j30jh6
36
Base36
10hm2y
md5
9477cc54cd0094a4cf70b43da7739250
sha1
d1b566ff5054bbe66865411bdd6949e9e203dd1d
sha256
bdc82f2f368bbb56cf676f03a776366880d08983acf39d27219a431fbec90d72
sha512
dfd3d749578f6410f604d594330d2d7ee0a862b74899a4124246c9f75f05727cc0e46141f0b128b037a7653ae3f0a6798c8e85aaaef1228995e120828446ca91
ripemd-160
ae977e3f856e2ddde9b101cd5ee14b35679b4e3d
Diameter
122575892
Circumference
385083521.81442
Area
1.1800489045226E+16
Volume
9.6430364716986E+23
Surface area
4.7201956180903E+16
Circumference
385083521.81442
Perimeter
245151784
Area
3756212324898916
Diagonal
86674244.44319
Surface area
22537273949393496
Volume
2.3021053813294E+23
Space diagonal
106153836.36354
Perimeter
183863838
Area
1.6264876476853E+15
Altitude
53076918.181769
Surface area
1.6264876476853E+15
Volume
2.7130572102401E+22
Height
28891414.814397