65981381 (number)

65981381 is an odd 8-digits composite number following 65981380 and preceding 65981382. In scientific notation, it is written as 6.5981381 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 65328000 positive integers (up to 65981381) that are relatively prime to 65981381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.5981381 × 10^7
Engineering notation 6.5981381 × 10^6

Prime Factorization of 65981381

Prime Factorization 101 × 653281

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 65981381
Product of the distinct prime numbers

The prime factorization of 65981381 is 101 × 653281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 6, 39, 26, 217, 743, 2333, 2364, 24110, 6780, 554302, 822161, 3384764, 8614255, 11493915, 79614503, 356214559, 189699630, 2741264003, 5291053784

Basic calculations (n = 65981381)

Multiplication

n×y
n×2 131962762
n×3 197944143
n×4 263925524
n×5 329906905

Division

n÷y
n÷2 32990690.5
n÷3 21993793.666667
n÷3 16495345.25
n÷5 13196276.2

Exponentiation

ny
n2 4353542638667161
n3 2.8725275554164E+23
n4 1.8953333506693E+31
n5 1.2505671193252E+39

Nth Root

y√n
2√n 8122.8924035715
3√n 404.08599654473
4√n 90.127090286836
5√n 36.633994867142

Divisors of 65981381

1, 101, 653281, 65981381

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -65981380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 65981381 can be divided by 4 positive divisors. The sum of these divisors (counting 65981381) is 1, the average is 0.25.

Base conversion 65981381

Base System Value
2 Binary 11111011101100101111000101
3 Ternary 11121011012102212
4 Quaternary 3323230233011
5 Quinary 113342401011
6 Senary 10314113205
8 Octal 373545705
10 Decimal 65981381
12 Duodecimal 1a11b805
16 Hexadecimal 3eecbc5
20 Vigesimal 10c7d91
36 Base36 13a7k5

Cryptographic Hash Functions

md5 d1e860b473fdc521f3224b2bb7ff0852
sha1 bf9bc562bb17e4e6619d85b7924298453d22075a
sha256 9a264d453804f5897c011f321967fdf371af48cc751f5d5034ec0b8b07a634b9
sha512 d5b8317912eb7e3d5b14ffcc2b9c82d09d48222b5d907b135c3c1648110f6c4236ed69b676a670a4c9d2013f65c048ab52e5c7f332b9696edd5ef8b0c3aaa799
ripemd-160 9866d185e236f235b0d2a59f93589a9be7d9de11

65981381 as geometric shapes

Circle

Radius = n
Diameter 131962762
Circumference 414573243.64662
Area 1.3677057570727E+16

Sphere

Radius = n
Volume 1.2032415287107E+24
Surface area 5.4708230282907E+16
Circumference 414573243.64662

Square

Length = n
Perimeter 263925524
Area 4353542638667161
Diagonal 93311763.874306

Cube

Length = n
Surface area 26121255832002966
Volume 2.8725275554164E+23
Space diagonal 114283104.24556

Equilateral Triangle

Length = n
Perimeter 197944143
Area 1.8851392607722E+15
Altitude 57141552.12278

Triangular Pyramid

Length = n
Surface area 1.8851392607722E+15
Volume 3.3853061893003E+22
Height 31103921.291435