81361254 (number)

81361254 is an even 8-digits composite number following 81361253 and preceding 81361255. In scientific notation, it is written as 8.1361254 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 24560640 positive integers (up to 81361254) that are relatively prime to 81361254.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-one thousand two hundred fifty-four

Notation

Scientific notation 8.1361254 × 10^7
Engineering notation 8.1361254 × 10^6

Prime Factorization of 81361254

Prime Factorization 2 × 3 × 13 × 53 × 19681

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81361254
Product of the distinct prime numbers

The prime factorization of 81361254 is 2 × 3 × 13 × 53 × 19681. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 91, 29, 443, 414, 9772, 8094, 55562, 74398, 157079, 616028, 1704838, 442272, 91790756, 3089412, 276463478, 366786679, 5172521183, 2689238055

Basic calculations (n = 81361254)

Multiplication

n×y
n×2 162722508
n×3 244083762
n×4 325445016
n×5 406806270

Division

n÷y
n÷2 40680627
n÷3 27120418
n÷3 20340313.5
n÷5 16272250.8

Exponentiation

ny
n2 6619653652452516
n3 5.3858332220922E+23
n4 4.3819814478428E+31
n5 3.5652350560123E+39

Nth Root

y√n
2√n 9020.0473391219
3√n 433.31714982296
4√n 94.973929786662
5√n 38.201773625173

Divisors of 81361254

1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 19681, 39362, 59043, 118086, 255853, 511706, 767559, 1043093, 1535118, 2086186, 3129279, 6258558, 13560209, 27120418, 40680627, 81361254

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81361253
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81361254 can be divided by 32 positive divisors. The sum of these divisors (counting 81361254) is 1, the average is 0.03125.

Base conversion 81361254

Base System Value
2 Binary 100110110010111100101100110
3 Ternary 12200002120122210
4 Quaternary 10312113211212
5 Quinary 131312030004
6 Senary 12023504250
8 Octal 466274546
10 Decimal 81361254
12 Duodecimal 232b8086
16 Hexadecimal 4d97966
20 Vigesimal 158a32e
36 Base36 1cfuqu

Cryptographic Hash Functions

md5 79b191454cb3ce637faea416e16c6be4
sha1 496a653e6efe8cac85f481ffea52e057f7990109
sha256 259c71e533ca9a4c245d1960c72a4d9473c16a080a6d9160ddfedad0e9c7c075
sha512 c80ffa5949d0df7346e5417825d8ffecaa53e2509f9bdf988970531a7e10c9f98221f578addd381abf3b7f645746267208ee6c13762d5c634b6f40b5aece1ad0
ripemd-160 ac9f5673d18acea4a82232e1266cd1dbd50fb1a3

81361254 as geometric shapes

Circle

Radius = n
Diameter 162722508
Circumference 511207835.70651
Area 2.0796255283854E+16

Sphere

Radius = n
Volume 2.2560125445313E+24
Surface area 8.3185021135415E+16
Circumference 511207835.70651

Square

Length = n
Perimeter 325445016
Area 6619653652452516
Diagonal 115062188.85848

Cube

Length = n
Surface area 39717921914715096
Volume 5.3858332220922E+23
Space diagonal 140921825.69552

Equilateral Triangle

Length = n
Perimeter 244083762
Area 2.8663941136392E+15
Altitude 70460912.847758

Triangular Pyramid

Length = n
Surface area 2.8663941136392E+15
Volume 6.3472653228019E+22
Height 38354062.952827