81738258 (number)

81738258 is an even 8-digits composite number following 81738257 and preceding 81738259. In scientific notation, it is written as 8.1738258 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 64 positive divisors. There are 22239360 positive integers (up to 81738258) that are relatively prime to 81738258.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand two hundred fifty-eight

Notation

Scientific notation 8.1738258 × 10^7
Engineering notation 8.1738258 × 10^6

Prime Factorization of 81738258

Prime Factorization 2 × 3 × 7 × 67 × 31 × 937

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 81738258
Product of the distinct prime numbers

The prime factorization of 81738258 is 2 × 3 × 7 × 67 × 31 × 937. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 2, 82, 25, 477, 429, 3100, 6979, 65412, 2007, 548136, 932136, 8115004, 584836, 29339944, 65890073, 930037404, 526797627, 3940496026, 1748815005

Basic calculations (n = 81738258)

Multiplication

n×y
n×2 163476516
n×3 245214774
n×4 326953032
n×5 408691290

Division

n÷y
n÷2 40869129
n÷3 27246086
n÷3 20434564.5
n÷5 16347651.6

Exponentiation

ny
n2 6681142820874564
n3 5.4610497562749E+23
n4 4.4637669392924E+31
n5 3.6486053373575E+39

Nth Root

y√n
2√n 9040.9213026107
3√n 433.98540657535
4√n 95.08375940512
5√n 38.237111333181

Divisors of 81738258

1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 67, 93, 134, 186, 201, 217, 402, 434, 469, 651, 937, 938, 1302, 1407, 1874, 2077, 2811, 2814, 4154, 5622, 6231, 6559, 12462, 13118, 14539, 19677, 29047, 29078, 39354, 43617, 58094, 62779, 87141, 87234, 125558, 174282, 188337, 203329, 376674, 406658, 439453, 609987, 878906, 1219974, 1318359, 1946149, 2636718, 3892298, 5838447, 11676894, 13623043, 27246086, 40869129, 81738258

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81738257
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81738258 can be divided by 64 positive divisors. The sum of these divisors (counting 81738258) is 1, the average is 0.015625.

Base conversion 81738258

Base System Value
2 Binary 100110111110011101000010010
3 Ternary 12200210201210220
4 Quaternary 10313303220102
5 Quinary 131411111013
6 Senary 12035533510
8 Octal 467635022
10 Decimal 81738258
12 Duodecimal 2345a296
16 Hexadecimal 4df3a12
20 Vigesimal 15ah5ci
36 Base36 1cnxn6

Cryptographic Hash Functions

md5 a834b327f2332b0478d01e7a0b049afa
sha1 abacc36373c7802d8a562c02dd77b74ee4a8975e
sha256 f076aff8af19f51749dbc407a5ebbbcb80f116f54b4c04a66bf5b76e7ec4a747
sha512 a9b022761723a1e0731413eec012729df4dceba60c014e729e0d5c694746067c783e1b9d13e49758bd933b0aa6a48d1d5586cd4a3c1f37ff988a09cabb88ea1d
ripemd-160 8d40c11acbd142d9ee710cd9a0be6653963e7024

81738258 as geometric shapes

Circle

Radius = n
Diameter 163476516
Circumference 513576621.70005
Area 2.0989429203644E+16

Sphere

Radius = n
Volume 2.2875191726936E+24
Surface area 8.3957716814575E+16
Circumference 513576621.70005

Square

Length = n
Perimeter 326953032
Area 6681142820874564
Diagonal 115595353.02835

Cube

Length = n
Surface area 40086856925247384
Volume 5.4610497562749E+23
Space diagonal 141574815.77817

Equilateral Triangle

Length = n
Perimeter 245214774
Area 2.8930197045947E+15
Altitude 70787407.889087

Triangular Pyramid

Length = n
Surface area 2.8930197045947E+15
Volume 6.4359088584319E+22
Height 38531784.342784