61308981 is an odd 8-digits composite number following 61308980
and preceding 61308982 . In scientific notation, it is written as 6.1308981 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 39873600 positive integers (up to 61308981) that are relatively prime to 61308981.
61308981 has 16 divisors, whose sum is 86845248
The reverse of 61308981 is 18980316
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-one million three hundred eight thousand nine hundred eighty-one
Scientific notation
6.1308981 × 10^7
Engineering notation
6.1308981 × 10^6
Prime Factorization
27 × 3 × 41 × 18461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61308981
Product of the distinct prime numbers
The prime factorization of 61308981 is 27 × 3 × 41 × 18461.
Since it has a total of 4 prime factors.
8 , 7 , 60 , 52 , 619 , 402 , 2426 , 8848 , 71619 , 52228 , 340012 , 414769 , 7800186 , 8704443 , 7872131 , 36713196 , 579360490 , 302778476 , 3088585707 , 4705459295
n×2
122617962
n×3
183926943
n×4
245235924
n×5
306544905
n÷2
30654490.5
n÷3
20436327
n÷3
15327245.25
n÷5
12261796.2
n2
3758791151258361
n3
2.3044765527547E+23
n4
1.4128510918778E+31
n5
8.6620460747766E+38
2 √n
7830.0051724121
3 √n
394.31324561334
4 √n
88.487316449376
5 √n
36.099801973655
1 , 3 , 27 , 41 , 81 , 123 , 1107 , 3321 , 18461 , 55383 , 498447 , 756901 , 1495341 , 2270703 , 20436327 , 61308981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61308980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61308981 can be divided by 16 positive divisors.
The sum of these divisors (counting 61308981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101001111000000000110101
3
Ternary
11021100211010000
4
Quaternary
3221320000311
5
Quinary
111143341411
6
Senary
10030021513
8
Octal
351700065
10
Decimal
61308981
12
Duodecimal
18647899
16
Hexadecimal
3a78035
20
Vigesimal
j33c91
36
Base36
10i2b9
md5
bf6abe26624c5bfaba46eac294a24b13
sha1
5d35aeba7c5434a0cd14163927381d9ba4d9a5c8
sha256
7345cb9f7fc429c845102341ee36ade297d5855ecd11134f27be27f9f36f5282
sha512
abc9682b1dbd5e570638af5fb78f5a6df4dc9785596fb2e821934fa872ef55f6c19aefad9dededa0d3d9111ffa4f0b3a91b366d93a9933cad7487237fe4e960c
ripemd-160
797a1788b025e336df1f3ebf56a92c3d0e15b680
Diameter
122617962
Circumference
385215688.61735
Area
1.1808590667172E+16
Volume
9.6529688113387E+23
Surface area
4.7234362668686E+16
Circumference
385215688.61735
Perimeter
245235924
Area
3758791151258361
Diagonal
86703992.425474
Surface area
22552746907550166
Volume
2.3044765527547E+23
Space diagonal
106190270.05227
Perimeter
183926943
Area
1.6276043122549E+15
Altitude
53095135.026137
Surface area
1.6276043122549E+15
Volume
2.7158516625637E+22
Height
28901330.808491