81273669 (number)

81273669 is an odd 8-digits composite number following 81273668 and preceding 81273670. In scientific notation, it is written as 8.1273669 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 52524272 positive integers (up to 81273669) that are relatively prime to 81273669.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-three thousand six hundred sixty-nine

Notation

Scientific notation 8.1273669 × 10^7
Engineering notation 8.1273669 × 10^6

Prime Factorization of 81273669

Prime Factorization 3 × 107 × 47 × 5387

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81273669
Product of the distinct prime numbers

The prime factorization of 81273669 is 3 × 107 × 47 × 5387. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 35, 6, 156, 873, 9802, 8831, 43641, 77713, 945479, 332896, 8869118, 686131, 90810122, 6302031, 789539566, 431803537, 3977385156, 1439935258

Basic calculations (n = 81273669)

Multiplication

n×y
n×2 162547338
n×3 243821007
n×4 325094676
n×5 406368345

Division

n÷y
n÷2 40636834.5
n÷3 27091223
n÷3 20318417.25
n÷5 16254733.8

Exponentiation

ny
n2 6605409272721561
n3 5.368458468407E+23
n4 4.3631431660156E+31
n5 3.5460865347436E+39

Nth Root

y√n
2√n 9015.1910129514
3√n 433.16160605053
4√n 94.948359717014
5√n 38.193545276054

Divisors of 81273669

1, 3, 47, 107, 141, 321, 5029, 5387, 15087, 16161, 253189, 576409, 759567, 1729227, 27091223, 81273669

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 -81273668
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 81273669 can be divided by 16 positive divisors. The sum of these divisors (counting 81273669) is 1, the average is 0.0625.

Base conversion 81273669

Base System Value
2 Binary 100110110000010001101000101
3 Ternary 12122221010111220
4 Quaternary 10312002031011
5 Quinary 131301224134
6 Senary 12021550553
8 Octal 466021505
10 Decimal 81273669
12 Duodecimal 23275459
16 Hexadecimal 4d82345
20 Vigesimal 157j439
36 Base36 1cdz5x

Cryptographic Hash Functions

md5 50b267d36d6a03cc2516ca744fa10dd6
sha1 f1f826593c2dfb4a39baecb890ee6bcdb188421f
sha256 979d16ff659bcbd89282bc6ab6d1069335956632544456aad768051e4a0e77a5
sha512 f68353dcfc4055030aceeb0534afa1501c0b443e94ed0ef66166a5a8e261e68c74688b6317a32549d091b65e4f808123d7f8c4b6cd029619e7704b08c8d8a2df
ripemd-160 245e5053f1cd2a4d0359651ce300579cf21594ff

81273669 as geometric shapes

Circle

Radius = n
Diameter 162547338
Circumference 510657522.92138
Area 2.0751505245136E+16

Sphere

Radius = n
Volume 2.2487346247266E+24
Surface area 8.3006020980544E+16
Circumference 510657522.92138

Square

Length = n
Perimeter 325094676
Area 6605409272721561
Diagonal 114938324.96362

Cube

Length = n
Surface area 39632455636329366
Volume 5.368458468407E+23
Space diagonal 140770124.02554

Equilateral Triangle

Length = n
Perimeter 243821007
Area 2.8602261162851E+15
Altitude 70385062.012768

Triangular Pyramid

Length = n
Surface area 2.8602261162851E+15
Volume 6.3267889792149E+22
Height 38312774.987874