81354927 (number)

81354927 is an odd 8-digits composite number following 81354926 and preceding 81354928. In scientific notation, it is written as 8.1354927 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 54236616 positive integers (up to 81354927) that are relatively prime to 81354927.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred fifty-four thousand nine hundred twenty-seven

Notation

Scientific notation 8.1354927 × 10^7
Engineering notation 8.1354927 × 10^6

Prime Factorization of 81354927

Prime Factorization 3 × 27118309

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81354927
Product of the distinct prime numbers

The prime factorization of 81354927 is 3 × 27118309. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81354927)

Multiplication

n×y
n×2 162709854
n×3 244064781
n×4 325419708
n×5 406774635

Division

n÷y
n÷2 40677463.5
n÷3 27118309
n÷3 20338731.75
n÷5 16270985.4

Exponentiation

ny
n2 6618624147175329
n3 5.3845768433389E+23
n4 4.3806185601572E+31
n5 3.5638490317644E+39

Nth Root

y√n
2√n 9019.6966135231
3√n 433.30591733189
4√n 94.972083337806
5√n 38.201179459944

Divisors of 81354927

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 -81354926
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 81354927 can be divided by 4 positive divisors. The sum of these divisors (counting 81354927) is 1, the average is 0.25.

Base conversion 81354927

Base System Value
2 Binary 100110110010110000010101111
3 Ternary 12200002020222110
4 Quaternary 10312112002233
5 Quinary 131311324202
6 Senary 12023415103
8 Octal 466260257
10 Decimal 81354927
12 Duodecimal 232b4493
16 Hexadecimal 4d960af
20 Vigesimal 1589767
36 Base36 1cfpv3

Cryptographic Hash Functions

md5 60d219f95433aef889c150046e549379
sha1 433cbe2a845c8a528c5c5110ec0234480c1d5724
sha256 0303b7f4751124aea4fd545022413585185a2392c6b4e9233e5df7edd266424f
sha512 17cbe81f4d0bc544eeb2932125aec81177d732861d67826903b6a6ca8d61fe580f1422282de11c5c0bbf19528db5fdfcfd29e178b00f796a64665a44afabc6de
ripemd-160 96287276e10bce05bafefa48975ab55e251d5f88

81354927 as geometric shapes

Circle

Radius = n
Diameter 162709854
Circumference 511168081.99307
Area 2.0793020997638E+16

Sphere

Radius = n
Volume 2.2554862738297E+24
Surface area 8.3172083990552E+16
Circumference 511168081.99307

Square

Length = n
Perimeter 325419708
Area 6618624147175329
Diagonal 115053241.12927

Cube

Length = n
Surface area 39711744883051974
Volume 5.3845768433389E+23
Space diagonal 140910867.01006

Equilateral Triangle

Length = n
Perimeter 244064781
Area 2.8659483247775E+15
Altitude 70455433.505029

Triangular Pyramid

Length = n
Surface area 2.8659483247775E+15
Volume 6.3457846662416E+22
Height 38351080.376424