61981838 (number)

61981838 is an even 8-digits composite number following 61981837 and preceding 61981839. In scientific notation, it is written as 6.1981838 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 29359800 positive integers (up to 61981838) that are relatively prime to 61981838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.1981838 × 10^7
Engineering notation 6.1981838 × 10^6

Prime Factorization of 61981838

Prime Factorization 2 × 19 × 1631101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61981838
Product of the distinct prime numbers

The prime factorization of 61981838 is 2 × 19 × 1631101. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61981838)

Multiplication

n×y
n×2 123963676
n×3 185945514
n×4 247927352
n×5 309909190

Division

n÷y
n÷2 30990919
n÷3 20660612.666667
n÷3 15495459.5
n÷5 12396367.6

Exponentiation

ny
n2 3841748241858244
n3 2.3811861716364E+23
n4 1.4759029553821E+31
n5 9.1479177884214E+38

Nth Root

y√n
2√n 7872.8545013864
3√n 395.75051029728
4√n 88.729107407808
5√n 36.178694394275

Divisors of 61981838

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61981837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61981838 can be divided by 8 positive divisors. The sum of these divisors (counting 61981838) is 1, the average is 0.125.

Base conversion 61981838

Base System Value
2 Binary 11101100011100010010001110
3 Ternary 11022122000002122
4 Quaternary 3230130102032
5 Quinary 111331404323
6 Senary 10052252542
8 Octal 354342216
10 Decimal 61981838
12 Duodecimal 18911152
16 Hexadecimal 3b1c48e
20 Vigesimal j77ebi
36 Base36 10whhq

Cryptographic Hash Functions

md5 79d092b7d21e392da32845ab68d324ce
sha1 8f49a483946e30c30f0c86785466a19c41a859d3
sha256 5c3096a2b3406fe1125d654e48bca19868028ff09c5f5b603c5007dc17838623
sha512 34f190b65b394185077dd8d2b12aa0faf83b40984303d42fb5952cc360b5f3c18ff21e9f42ce02382234a6d18f0b1a28073b9d71e9be8e1a6e6a452167c97ddd
ripemd-160 154fbf05342b9302df8957762aca9764dbaeb7ce

61981838 as geometric shapes

Circle

Radius = n
Diameter 123963676
Circumference 389443373.83359
Area 1.2069208053563E+16

Sphere

Radius = n
Volume 9.9742893115235E+23
Surface area 4.8276832214253E+16
Circumference 389443373.83359

Square

Length = n
Perimeter 247927352
Area 3841748241858244
Diagonal 87655555.920412

Cube

Length = n
Surface area 23050489451149464
Volume 2.3811861716364E+23
Space diagonal 107355692.5625

Equilateral Triangle

Length = n
Perimeter 185945514
Area 1.6635257861967E+15
Altitude 53677846.281252

Triangular Pyramid

Length = n
Surface area 1.6635257861967E+15
Volume 2.8062548153863E+22
Height 29218518.640137