61981854 (number)

61981854 is an even 8-digits composite number following 61981853 and preceding 61981855. In scientific notation, it is written as 6.1981854 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 18782360 positive integers (up to 61981854) that are relatively prime to 61981854.

Interesting facts

Basic properties

Name

Name sixty-one million nine hundred eighty-one thousand eight hundred fifty-four

Notation

Scientific notation 6.1981854 × 10^7
Engineering notation 6.1981854 × 10^6

Prime Factorization of 61981854

Prime Factorization 2 × 3 × 11 × 939119

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 61981854
Product of the distinct prime numbers

The prime factorization of 61981854 is 2 × 3 × 11 × 939119. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61981854)

Multiplication

n×y
n×2 123963708
n×3 185945562
n×4 247927416
n×5 309909270

Division

n÷y
n÷2 30990927
n÷3 20660618
n÷3 15495463.5
n÷5 12396370.8

Exponentiation

ny
n2 3841750225277316
n3 2.3811880156761E+23
n4 1.4759044793418E+31
n5 9.1479295956511E+38

Nth Root

y√n
2√n 7872.8555175362
3√n 395.75054435031
4√n 88.729113133944
5√n 36.17869626211

Divisors of 61981854

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 -61981853
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 61981854 can be divided by 16 positive divisors. The sum of these divisors (counting 61981854) is 1, the average is 0.0625.

Base conversion 61981854

Base System Value
2 Binary 11101100011100010010011110
3 Ternary 11022122000010020
4 Quaternary 3230130102132
5 Quinary 111331404404
6 Senary 10052253010
8 Octal 354342236
10 Decimal 61981854
12 Duodecimal 18911166
16 Hexadecimal 3b1c49e
20 Vigesimal j77ece
36 Base36 10whi6

Cryptographic Hash Functions

md5 533971101e5d0e11d4f7187dadb719da
sha1 b3814c953fea23ef18c2ca8eaa61726e8d6d64bf
sha256 2c00c692322cd7ea898ec026f33b1e742ba930db51a8008a8215ee2df81cbc91
sha512 efd84ea3ea012f2190bff32f3bf6d653ac4e069fedf51f40378c9cd89b3ca10fea69c9c921b36cf53852b2ac8cbad9fcdcf9249b3dc1d93e5f0f7a45b82f9693
ripemd-160 75a8004b2d1acb01c9898655a42a89ed637b4247

61981854 as geometric shapes

Circle

Radius = n
Diameter 123963708
Circumference 389443474.36455
Area 1.2069214284658E+16

Sphere

Radius = n
Volume 9.9742970358186E+23
Surface area 4.8276857138633E+16
Circumference 389443474.36455

Square

Length = n
Perimeter 247927416
Area 3841750225277316
Diagonal 87655578.547829

Cube

Length = n
Surface area 23050501351663896
Volume 2.3811880156761E+23
Space diagonal 107355720.27532

Equilateral Triangle

Length = n
Perimeter 185945562
Area 1.6635266450424E+15
Altitude 53677860.137658

Triangular Pyramid

Length = n
Surface area 1.6635266450424E+15
Volume 2.8062569886078E+22
Height 29218526.18261