81274876 (number)

81274876 is an even 8-digits composite number following 81274875 and preceding 81274877. In scientific notation, it is written as 8.1274876 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 40619088 positive integers (up to 81274876) that are relatively prime to 81274876.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-four thousand eight hundred seventy-six

Notation

Scientific notation 8.1274876 × 10^7
Engineering notation 8.1274876 × 10^6

Prime Factorization of 81274876

Prime Factorization 2 × 2 × 3733 × 5443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40637438
Product of the distinct prime numbers

The prime factorization of 81274876 is 2 × 2 × 3733 × 5443. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 26, 83, 47, 751, 7517, 1575, 87805, 67721, 906809, 195081, 1740979, 5064458, 8843064, 29266666, 693331693, 875179295, 8273974250, 2768116942

Basic calculations (n = 81274876)

Multiplication

n×y
n×2 162549752
n×3 243824628
n×4 325099504
n×5 406374380

Division

n÷y
n÷2 40637438
n÷3 27091625.333333
n÷3 20318719
n÷5 16254975.2

Exponentiation

ny
n2 6605605468815376
n3 5.3686976538289E+23
n4 4.3634023609644E+31
n5 3.5463498582549E+39

Nth Root

y√n
2√n 9015.2579552667
3√n 433.16375034268
4√n 94.948712235958
5√n 38.193658718293

Divisors of 81274876

1, 2, 4, 3733, 5443, 7466, 10886, 14932, 21772, 20318719, 40637438, 81274876

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81274875
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81274876 can be divided by 12 positive divisors. The sum of these divisors (counting 81274876) is 1, the average is 0.083333333333333.

Base conversion 81274876

Base System Value
2 Binary 100110110000010011111111100
3 Ternary 12122221012011121
4 Quaternary 10312002133330
5 Quinary 131301244001
6 Senary 12022000324
8 Octal 466023774
10 Decimal 81274876
12 Duodecimal 232760a4
16 Hexadecimal 4d827fc
20 Vigesimal 157j73g
36 Base36 1ce03g

Cryptographic Hash Functions

md5 2ff66e456475845d44bd803cbb4cb39e
sha1 affe0142bf63a07fe042c38b43ee9b2688b394b8
sha256 e87a11dcb37234bc6a4178a5a2744bd57f07d2984b446863386f4a99cba76b27
sha512 67fbf0f04ab199a4ebd87b241b9a1f1d8ac169708091f4f8bc403aba4d8285f56d2fefa487f89706903c0f4c1c722c2231e14be94bd609c6e99c1310289de0c6
ripemd-160 4cb32e9d4391208763cd28453e1c4f0bf2782924

81274876 as geometric shapes

Circle

Radius = n
Diameter 162549752
Circumference 510665106.72604
Area 2.0752121613343E+16

Sphere

Radius = n
Volume 2.2488348144818E+24
Surface area 8.3008486453372E+16
Circumference 510665106.72604

Square

Length = n
Perimeter 325099504
Area 6605605468815376
Diagonal 114940031.91939

Cube

Length = n
Surface area 39633632812892256
Volume 5.3686976538289E+23
Space diagonal 140772214.61086

Equilateral Triangle

Length = n
Perimeter 243824628
Area 2.8603110716858E+15
Altitude 70386107.30543

Triangular Pyramid

Length = n
Surface area 2.8603110716858E+15
Volume 6.3270708619379E+22
Height 38313343.973131