61781380 is an even 8-digits composite number following 61781379
and preceding 61781381 . In scientific notation, it is written as 6.1781380 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 24712544 positive integers (up to 61781380) that are relatively prime to 61781380.
61781380 has 12 divisors, whose sum is 129740940
The reverse of 61781380 is 08318716
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 three hundred eighty
Scientific notation
6.1781380 × 10^7
Engineering notation
6.1781380 × 10^6
Prime Factorization
2 × 2 × 5 × 3089069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30890690
Product of the distinct prime numbers
The prime factorization of 61781380 is 2 × 2 × 5 × 3089069.
Since it has a total of 4 prime factors.
8 , 6 , 14 , 83 , 912 , 808 , 2642 , 8294 , 4312 , 2600 , 949441 , 78148 , 6972858 , 861117 , 44836768 , 44784061 , 221577138 , 791225138 , 3321660622 , 8974301266
n×2
123562760
n×3
185344140
n×4
247125520
n×5
308906900
n÷2
30890690
n÷3
20593793.333333
n÷3
15445345
n÷5
12356276
n2
3816938914704400
n3
2.3581575352614E+23
n4
1.4569022678585E+31
n5
9.0009432633427E+38
2 √n
7860.1132307366
3 √n
395.32341189083
4 √n
88.657279626303
5 √n
36.155262662666
1 , 2 , 4 , 5 , 10 , 20 , 3089069 , 6178138 , 12356276 , 15445345 , 30890690 , 61781380
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
-61781379
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 61781380 can be divided by 12 positive divisors.
The sum of these divisors (counting 61781380) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11101011101011010110000100
3
Ternary
11022020211010021
4
Quaternary
3223223112010
5
Quinary
111304001010
6
Senary
10044104524
8
Octal
353532604
10
Decimal
61781380
12
Duodecimal
18835144
16
Hexadecimal
3aeb584
20
Vigesimal
j62d90
36
Base36
10s6tg
md5
3d196b69d62107dab1a6361cdeee3c74
sha1
c30daea1b34229a899ae57ae4cdfc7999bbe4d30
sha256
23fb16c53481d15405c96c374cffca1d3fa96faed188cb735f62f265f899cfaa
sha512
afaea558598202d33ac427205b85dc8e05b7864b06d0450b9f103ba262bf9d26c62eb43851d4cc5a1dca10637e8076ba3e716fde975107fbd3669ee52f599852
ripemd-160
c768412dd0266362463378d68157752930fd7fdd
Diameter
123562760
Circumference
388183859.07328
Area
1.1991267253636E+16
Volume
9.8778271850462E+23
Surface area
4.7965069014545E+16
Circumference
388183859.07328
Perimeter
247125520
Area
3816938914704400
Diagonal
87372065.498126
Surface area
22901633488226400
Volume
2.3581575352614E+23
Space diagonal
107008489.12172
Perimeter
185344140
Area
1.6527830324137E+15
Altitude
53504244.56086
Surface area
1.6527830324137E+15
Volume
2.7791153071492E+22
Height
29124021.832709