61308981 (number)

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.

Interesting facts

Basic properties

Name

Name sixty-one million three hundred eight thousand nine hundred eighty-one

Notation

Scientific notation 6.1308981 × 10^7
Engineering notation 6.1308981 × 10^6

Prime Factorization of 61308981

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.

Most popular turbo-numbers

Basic calculations (n = 61308981)

Multiplication

n×y
n×2 122617962
n×3 183926943
n×4 245235924
n×5 306544905

Division

n÷y
n÷2 30654490.5
n÷3 20436327
n÷3 15327245.25
n÷5 12261796.2

Exponentiation

ny
n2 3758791151258361
n3 2.3044765527547E+23
n4 1.4128510918778E+31
n5 8.6620460747766E+38

Nth Root

y√n
2√n 7830.0051724121
3√n 394.31324561334
4√n 88.487316449376
5√n 36.099801973655

Divisors of 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 conversion 61308981

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

Cryptographic Hash Functions

md5 bf6abe26624c5bfaba46eac294a24b13
sha1 5d35aeba7c5434a0cd14163927381d9ba4d9a5c8
sha256 7345cb9f7fc429c845102341ee36ade297d5855ecd11134f27be27f9f36f5282
sha512 abc9682b1dbd5e570638af5fb78f5a6df4dc9785596fb2e821934fa872ef55f6c19aefad9dededa0d3d9111ffa4f0b3a91b366d93a9933cad7487237fe4e960c
ripemd-160 797a1788b025e336df1f3ebf56a92c3d0e15b680

61308981 as geometric shapes

Circle

Radius = n
Diameter 122617962
Circumference 385215688.61735
Area 1.1808590667172E+16

Sphere

Radius = n
Volume 9.6529688113387E+23
Surface area 4.7234362668686E+16
Circumference 385215688.61735

Square

Length = n
Perimeter 245235924
Area 3758791151258361
Diagonal 86703992.425474

Cube

Length = n
Surface area 22552746907550166
Volume 2.3044765527547E+23
Space diagonal 106190270.05227

Equilateral Triangle

Length = n
Perimeter 183926943
Area 1.6276043122549E+15
Altitude 53095135.026137

Triangular Pyramid

Length = n
Surface area 1.6276043122549E+15
Volume 2.7158516625637E+22
Height 28901330.808491