61806980 is an even 8-digits composite number following 61806979
and preceding 61806981 . In scientific notation, it is written as 6.1806980 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 23647712 positive integers (up to 61806980) that are relatively prime to 61806980.
61806980 has 12 divisors, whose sum is 109103568
The reverse of 61806980 is 08960816
Previous prime number is 115
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-one million eight hundred six thousand nine hundred eighty
Scientific notation
6.1806980 × 10^7
Engineering notation
6.1806980 × 10^6
Prime Factorization
2 × 2 × 115 × 134363
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30903490
Product of the distinct prime numbers
The prime factorization of 61806980 is 2 × 2 × 115 × 134363.
Since it has a total of 4 prime factors.
6 , 5 , 80 , 5 , 970 , 899 , 3356 , 543 , 64395 , 50083 , 604350 , 221622 , 5825087 , 1217706 , 92717856 , 31578501 , 463204905 , 170904051 , 4271549722 , 9696859618
n×2
123613960
n×3
185420940
n×4
247227920
n×5
309034900
n÷2
30903490
n÷3
20602326.666667
n÷3
15451745
n÷5
12361396
n2
3820102776720400
n3
2.361090159187E+23
n4
1.4593185224707E+31
n5
9.0196070731976E+38
2 √n
7861.741537344
3 √n
395.37800699073
4 √n
88.666462303083
5 √n
36.15825845639
1 , 2 , 4 , 115 , 230 , 460 , 134363 , 268726 , 537452 , 15451745 , 30903490 , 61806980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61806979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61806980 can be divided by 12 positive divisors.
The sum of these divisors (counting 61806980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11101011110001100110000100
3
Ternary
11022022010020102
4
Quaternary
3223301212010
5
Quinary
111310310410
6
Senary
10044423232
8
Octal
353614604
10
Decimal
61806980
12
Duodecimal
18847b18
16
Hexadecimal
3af1984
20
Vigesimal
j65h90
36
Base36
10sqkk
md5
d496979da47e28691846dc798e73fc42
sha1
b781d08eee3d54287a5d05739f6d7f96ed205a18
sha256
3078bb70220cc4839f9eed731fc9de3028a917ec5c66e468047c887fca0ce564
sha512
43c4a19f3f8a6ed9f0eb3a5240daa80c6a5a9466ed552fd9d675247a058acf8970538ea79efde54e3179d7b2fa32fa66e89a1a2a3d3e907c940ad2b1e7afdf36
ripemd-160
c3c880b4a852bde104cba8a4633115e3ea66407d
Diameter
123613960
Circumference
388344708.61714
Area
1.2001206819303E+16
Volume
9.8901113314201E+23
Surface area
4.8004827277211E+16
Circumference
388344708.61714
Perimeter
247227920
Area
3820102776720400
Diagonal
87408269.365323
Surface area
22920616660322400
Volume
2.361090159187E+23
Space diagonal
107052829.62239
Perimeter
185420940
Area
1.6541530248537E+15
Altitude
53526414.811197
Surface area
1.6541530248537E+15
Volume
2.7825714375899E+22
Height
29136089.788441