81738274 (number)

81738274 is an even 8-digits composite number following 81738273 and preceding 81738275. In scientific notation, it is written as 8.1738274 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 39004240 positive integers (up to 81738274) that are relatively prime to 81738274.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand two hundred seventy-four

Notation

Scientific notation 8.1738274 × 10^7
Engineering notation 8.1738274 × 10^6

Prime Factorization of 81738274

Prime Factorization 2 × 23 × 509 × 3491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81738274
Product of the distinct prime numbers

The prime factorization of 81738274 is 2 × 23 × 509 × 3491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 74, 70, 935, 408, 9610, 6686, 89013, 15641, 251023, 205405, 2528604, 8159119, 10544981, 26408023, 35728725, 879723945, 4442558241, 8541704620

Basic calculations (n = 81738274)

Multiplication

n×y
n×2 163476548
n×3 245214822
n×4 326953096
n×5 408691370

Division

n÷y
n÷2 40869137
n÷3 27246091.333333
n÷3 20434568.5
n÷5 16347654.8

Exponentiation

ny
n2 6681145436499076
n3 5.4610529632241E+23
n4 4.4637704343652E+31
n5 3.6486089083725E+39

Nth Root

y√n
2√n 9040.9221874762
3√n 433.98543489243
4√n 95.083764058204
5√n 38.237112830139

Divisors of 81738274

1, 2, 23, 46, 509, 1018, 3491, 6982, 11707, 23414, 80293, 160586, 1776919, 3553838, 40869137, 81738274

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 -81738273
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 81738274 can be divided by 16 positive divisors. The sum of these divisors (counting 81738274) is 1, the average is 0.0625.

Base conversion 81738274

Base System Value
2 Binary 100110111110011101000100010
3 Ternary 12200210201211111
4 Quaternary 10313303220202
5 Quinary 131411111044
6 Senary 12035533534
8 Octal 467635042
10 Decimal 81738274
12 Duodecimal 2345a2aa
16 Hexadecimal 4df3a22
20 Vigesimal 15ah5de
36 Base36 1cnxnm

Cryptographic Hash Functions

md5 30fa8ec83efff5d9f19012386aa58864
sha1 b33f8f75f00aa8a52272316119859492cf1a01b7
sha256 20b88ca34e6057be57a9672b8d6d1ea8874a6c9e42b0a303d5bb4055ec93a390
sha512 508d00b8f0c608f793f4f3f0cfac7c155457da5e8ef9ff9515684b81998a9885230bbc32edd9b02e56793cfff575512b19d4566d041698f1dd5d069c743afcab
ripemd-160 bed79f342034fad9af6219c134f7163ac355341f

81738274 as geometric shapes

Circle

Radius = n
Diameter 163476548
Circumference 513576722.23102
Area 2.098943742087E+16

Sphere

Radius = n
Volume 2.2875205160173E+24
Surface area 8.3957749683482E+16
Circumference 513576722.23102

Square

Length = n
Perimeter 326953096
Area 6681145436499076
Diagonal 115595375.65577

Cube

Length = n
Surface area 40086872618994456
Volume 5.4610529632241E+23
Space diagonal 141574843.49099

Equilateral Triangle

Length = n
Perimeter 245214822
Area 2.8930208371933E+15
Altitude 70787421.745493

Triangular Pyramid

Length = n
Surface area 2.8930208371933E+15
Volume 6.4359126378578E+22
Height 38531791.885256