61397980 is an even 8-digits composite number following 61397979
and preceding 61397981 . In scientific notation, it is written as 6.1397980 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 19474560 positive integers (up to 61397980) that are relatively prime to 61397980.
61397980 has 24 divisors, whose sum is 131936112
The reverse of 61397980 is 08979316
Previous prime number is 71393
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-one million three hundred ninety-seven thousand nine hundred eighty
Scientific notation
6.1397980 × 10^7
Engineering notation
6.1397980 × 10^6
Prime Factorization
2 × 2 × 5 × 71393 × 43
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30698990
Product of the distinct prime numbers
The prime factorization of 61397980 is 2 × 2 × 5 × 71393 × 43.
Since it has a total of 5 prime factors.
1 , 7 , 5 , 43 , 234 , 564 , 1960 , 8981 , 51045 , 60574 , 80586 , 895953 , 9475369 , 104827 , 30159701 , 96827812 , 727765058 , 423368542 , 7465679574 , 2381125184
n×2
122795960
n×3
184193940
n×4
245591920
n×5
306989900
n÷2
30698990
n÷3
20465993.333333
n÷3
15349495
n÷5
12279596
n2
3769711948080400
n3
2.31452698794E+23
n4
1.42107281715E+31
n5
8.725100040592E+38
2 √n
7835.6863132721
3 √n
394.50395457929
4 √n
88.519412070303
5 √n
36.110276727204
1 , 2 , 4 , 5 , 10 , 20 , 43 , 86 , 172 , 215 , 430 , 860 , 71393 , 142786 , 285572 , 356965 , 713930 , 1427860 , 3069899 , 6139798 , 12279596 , 15349495 , 30698990 , 61397980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61397979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61397980 can be divided by 24 positive divisors.
The sum of these divisors (counting 61397980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11101010001101101111011100
3
Ternary
11021112100012021
4
Quaternary
3222031233130
5
Quinary
111204213410
6
Senary
10031545524
8
Octal
352155734
10
Decimal
61397980
12
Duodecimal
1868b2a4
16
Hexadecimal
3a8dbdc
20
Vigesimal
j3eej0
36
Base36
10jyzg
md5
f6854678b4cdba13aff0754aae5c5d41
sha1
b7bced190286af5e2e943697c367c1c1552bb399
sha256
e511e3d75985597961beb6e5cef6b4d15a5b9addbba4065af7a60c4ccc74897d
sha512
d2cb770b168f92637af49ba93fe0a241a0536c32d56f493e0e1728200eddb71dd651abc56967990f653a715f81e343a9cb054c7db593c7ef94c029e2aed09dda
ripemd-160
4a9e397185d89c75991fcc38598d03119e207f4b
Diameter
122795960
Circumference
385774885.82651
Area
1.1842899362239E+16
Volume
9.6950679757969E+23
Surface area
4.7371597448956E+16
Circumference
385774885.82651
Perimeter
245591920
Area
3769711948080400
Diagonal
86829856.018312
Surface area
22618271688482400
Volume
2.31452698794E+23
Space diagonal
106344420.8421
Perimeter
184193940
Area
1.6323331559937E+15
Altitude
53172210.421049
Surface area
1.6323331559937E+15
Volume
2.7276962140194E+22
Height
28943285.339437