61781142 is an even 8-digits composite number following 61781141
and preceding 61781143 . In scientific notation, it is written as 6.1781142 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 20119968 positive integers (up to 61781142) that are relatively prime to 61781142.
61781142 has 32 divisors, whose sum is 126432000
The reverse of 61781142 is 24118716
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
sixty-one million seven hundred eighty-one thousand one hundred forty-two
Scientific notation
6.1781142 × 10^7
Engineering notation
6.1781142 × 10^6
Prime Factorization
2 × 3 × 59 × 199 × 877
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
61781142
Product of the distinct prime numbers
The prime factorization of 61781142 is 2 × 3 × 59 × 199 × 877.
Since it has a total of 5 prime factors.
9 , 10 , 38 , 78 , 943 , 317 , 6377 , 574 , 53883 , 97899 , 616119 , 994366 , 2204387 , 7225634 , 27841784 , 98322804 , 226269864 , 600240780 , 6290943527 , 1609344618
n×2
123562284
n×3
185343426
n×4
247124568
n×5
308905710
n÷2
30890571
n÷3
20593714
n÷3
15445285.5
n÷5
12356228.4
n2
3816909506824164
n3
2.3581302824225E+23
n4
1.4568798183285E+31
n5
9.0007698933085E+38
2 √n
7860.098090991
3 √n
395.32290425626
4 √n
88.657194242718
5 √n
36.155234806488
1 , 2 , 3 , 6 , 59 , 118 , 177 , 199 , 354 , 398 , 597 , 877 , 1194 , 1754 , 2631 , 5262 , 11741 , 23482 , 35223 , 51743 , 70446 , 103486 , 155229 , 174523 , 310458 , 349046 , 523569 , 1047138 , 10296857 , 20593714 , 30890571 , 61781142
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61781141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61781142 can be divided by 32 positive divisors.
The sum of these divisors (counting 61781142) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11101011101011010010010110
3
Ternary
11022020210210110
4
Quaternary
3223223102112
5
Quinary
111303444032
6
Senary
10044103450
8
Octal
353532226
10
Decimal
61781142
12
Duodecimal
18834b86
16
Hexadecimal
3aeb496
20
Vigesimal
j62ch2
36
Base36
10s6mu
md5
6478ca6c83aa6ec9a44ff3f961487a77
sha1
38f562fb22b55ffdf8b68b08592be6883327e8dd
sha256
cefed982465c0d38f91cbbfa4e571044f2c9c8f52a9bd7e3030d444213182ada
sha512
78f522005efb818b41ac044ee72e336bf730c550e4e9f5c7ee2818675e2133a88c9cbad261f12f1b5ef6c46304040a012972d5c8ad3efd21a42b6b840938efd2
ripemd-160
9251c20943b03ccd6e1a332b79fa157a3cd3307c
Diameter
123562284
Circumference
388182363.67518
Area
1.1991174866056E+16
Volume
9.8777130286217E+23
Surface area
4.7964699464223E+16
Circumference
388182363.67518
Perimeter
247124568
Area
3816909506824164
Diagonal
87371728.915298
Surface area
22901457040944984
Volume
2.3581302824225E+23
Space diagonal
107008076.89363
Perimeter
185343426
Area
1.652770298428E+15
Altitude
53504038.446814
Surface area
1.652770298428E+15
Volume
2.7790831893705E+22
Height
29123909.638433