81330556 (number)

81330556 is an even 8-digits composite number following 81330555 and preceding 81330557. In scientific notation, it is written as 8.1330556 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 39975920 positive integers (up to 81330556) that are relatively prime to 81330556.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand five hundred fifty-six

Notation

Scientific notation 8.1330556 × 10^7
Engineering notation 8.1330556 × 10^6

Prime Factorization of 81330556

Prime Factorization 2 × 2 × 59 × 344621

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40665278
Product of the distinct prime numbers

The prime factorization of 81330556 is 2 × 2 × 59 × 344621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 88, 17, 509, 228, 9739, 7790, 93199, 58816, 386701, 775124, 2110101, 6380682, 15264124, 98350743, 735754323, 519115643, 6526511916, 4211381714

Basic calculations (n = 81330556)

Multiplication

n×y
n×2 162661112
n×3 243991668
n×4 325322224
n×5 406652780

Division

n÷y
n÷2 40665278
n÷3 27110185.333333
n÷3 20332639
n÷5 16266111.2

Exponentiation

ny
n2 6614659339269136
n3 5.3797392181335E+23
n4 4.375371817458E+31
n5 3.5585142262059E+39

Nth Root

y√n
2√n 9018.3455245405
3√n 433.26264540582
4√n 94.964969986519
5√n 38.198890446711

Divisors of 81330556

1, 2, 4, 59, 118, 236, 344621, 689242, 1378484, 20332639, 40665278, 81330556

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 -81330555
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 81330556 can be divided by 12 positive divisors. The sum of these divisors (counting 81330556) is 1, the average is 0.083333333333333.

Base conversion 81330556

Base System Value
2 Binary 100110110010000000101111100
3 Ternary 12200001000112211
4 Quaternary 10312100011330
5 Quinary 131310034211
6 Senary 12023110204
8 Octal 466200574
10 Decimal 81330556
12 Duodecimal 232a2364
16 Hexadecimal 4d9017c
20 Vigesimal 158667g
36 Base36 1cf724

Cryptographic Hash Functions

md5 651edac186ff33dd16e6b2241484d560
sha1 2c3a59355dc34286ba04e443bca7810e5982c7ad
sha256 0c7a408bd8655b2f15c7ab52cbb6bbe2629cc9222732be636c4d4d13938be5cb
sha512 3ba62714fa45d7d1a2a171f71d1a91eddc83205b5e6850906850ac7d4d8deb25365c204888310df1d7108ad7ba96182ced90e7f8062b0224f083a3a85e56f143
ripemd-160 6d5727ba4a7deb01f27ce3a2b86deae17dec16b6

81330556 as geometric shapes

Circle

Radius = n
Diameter 162661112
Circumference 511014954.48395
Area 2.0780565186247E+16

Sphere

Radius = n
Volume 2.2534598941223E+24
Surface area 8.3122260744988E+16
Circumference 511014954.48395

Square

Length = n
Perimeter 325322224
Area 6614659339269136
Diagonal 115018775.33054

Cube

Length = n
Surface area 39687956035614816
Volume 5.3797392181335E+23
Space diagonal 140868655.19983

Equilateral Triangle

Length = n
Perimeter 243991668
Area 2.8642315125935E+15
Altitude 70434327.599913

Triangular Pyramid

Length = n
Surface area 2.8642315125935E+15
Volume 6.3400834702624E+22
Height 38339591.776848