61781290 is an even 8-digits composite number following 61781289
and preceding 61781291 . In scientific notation, it is written as 6.1781290 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 24712512 positive integers (up to 61781290) that are relatively prime to 61781290.
61781290 has 8 divisors, whose sum is 111206340
The reverse of 61781290 is 09218716
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-one million seven hundred eighty-one thousand two hundred ninety
Scientific notation
6.1781290 × 10^7
Engineering notation
6.1781290 × 10^6
Prime Factorization
2 × 5 × 6178129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61781290
Product of the distinct prime numbers
The prime factorization of 61781290 is 2 × 5 × 6178129.
Since it has a total of 3 prime factors.
7 , 8 , 36 , 60 , 354 , 943 , 4212 , 2903 , 62042 , 23488 , 698964 , 318710 , 190637 , 8778605 , 46721236 , 19811960 , 224911659 , 825998827 , 8242070814 , 3831390494
n×2
123562580
n×3
185343870
n×4
247125160
n×5
308906450
n÷2
30890645
n÷3
20593763.333333
n÷3
15445322.5
n÷5
12356258
n2
3816927794064100
n3
2.3581472295413E+23
n4
1.4568937785099E+31
n5
9.0008777029316E+38
2 √n
7860.1075056261
3 √n
395.32321992833
4 √n
88.657247338422
5 √n
36.155252128827
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
-61781289
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 61781290 can be divided by 8 positive divisors.
The sum of these divisors (counting 61781290) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101011101011010100101010
3
Ternary
11022020210222221
4
Quaternary
3223223110222
5
Quinary
111304000130
6
Senary
10044104254
8
Octal
353532452
10
Decimal
61781290
12
Duodecimal
1883508a
16
Hexadecimal
3aeb52a
20
Vigesimal
j62d4a
36
Base36
10s6qy
md5
f9e1d10dd524a19516fe1c7f1e139373
sha1
ef35b6fba63a1cf00ce9a492a0b2837458c0d59d
sha256
9703c652fe395ae0e298056550cb2cc6a6a02e2859210a8bf912d792f4498dff
sha512
d68c8d2b8f225c47bc04d74b1b7eb061727d4328bf474a042ee812b54f62771037ffd0c5f3b6316dc6af47b80ace67cafc964c0c523dc7b3307d6f4cbeb47910
ripemd-160
b5056af0df1a022820f4f44fddc3e5ed2fa7a6dc
Diameter
123562580
Circumference
388183293.5866
Area
1.1991232317114E+16
Volume
9.8777840165469E+23
Surface area
4.7964929268458E+16
Circumference
388183293.5866
Perimeter
247125160
Area
3816927794064100
Diagonal
87371938.218905
Surface area
22901566764384600
Volume
2.3581472295413E+23
Space diagonal
107008333.23715
Perimeter
185343870
Area
1.6527782170352E+15
Altitude
53504166.618574
Surface area
1.6527782170352E+15
Volume
2.7791031617416E+22
Height
29123979.406302