81330648 (number)

81330648 is an even 8-digits composite number following 81330647 and preceding 81330649. In scientific notation, it is written as 8.1330648 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 23237280 positive integers (up to 81330648) that are relatively prime to 81330648.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand six hundred forty-eight

Notation

Scientific notation 8.1330648 × 10^7
Engineering notation 8.1330648 × 10^6

Prime Factorization of 81330648

Prime Factorization 2 × 2 × 2 × 3 × 7 × 484111

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20332662
Product of the distinct prime numbers

The prime factorization of 81330648 is 2 × 2 × 2 × 3 × 7 × 484111. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 7, 42, 42, 911, 409, 860, 2191, 66478, 70502, 909046, 266524, 9557786, 2141055, 76497561, 26555052, 880712972, 768082026, 716528069, 7943249169

Basic calculations (n = 81330648)

Multiplication

n×y
n×2 162661296
n×3 243991944
n×4 325322592
n×5 406653240

Division

n÷y
n÷2 40665324
n÷3 27110216
n÷3 20332662
n÷5 16266129.6

Exponentiation

ny
n2 6614674304099904
n3 5.3797574746139E+23
n4 4.375391614932E+31
n5 3.5585343529618E+39

Nth Root

y√n
2√n 9018.3506252529
3√n 433.26280877266
4√n 94.964996842273
5√n 38.198899088718

Divisors of 81330648

1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 484111, 968222, 1452333, 1936444, 2904666, 3388777, 3872888, 5809332, 6777554, 10166331, 11618664, 13555108, 20332662, 27110216, 40665324, 81330648

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330647
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330648 can be divided by 32 positive divisors. The sum of these divisors (counting 81330648) is 1, the average is 0.03125.

Base conversion 81330648

Base System Value
2 Binary 100110110010000000111011000
3 Ternary 12200001000200020
4 Quaternary 10312100013120
5 Quinary 131310040043
6 Senary 12023110440
8 Octal 466200730
10 Decimal 81330648
12 Duodecimal 232a2420
16 Hexadecimal 4d901d8
20 Vigesimal 15866c8
36 Base36 1cf74o

Cryptographic Hash Functions

md5 651dd6ecdbbd40eaea594a0e54036bdd
sha1 8ae0a6aac7b611b3a087246c7e259929351b51e3
sha256 ce602ac3d776ad665d5b9fa7ae5f54eeedbe4592bf0a8b752fe9d6eec733aa44
sha512 5fa4695e585ab06e603ab013663f3447515cffcb6d63917e34a1be9b0d8e4010e064f8e7d4c7273abb8edc7431a6321b4b14bad1b0da650b5489d3e5c4e42493
ripemd-160 f6d83d4f61947986b40ef0040e804de927742af8

81330648 as geometric shapes

Circle

Radius = n
Diameter 162661296
Circumference 511015532.53699
Area 2.0780612199649E+16

Sphere

Radius = n
Volume 2.2534675413789E+24
Surface area 8.3122448798598E+16
Circumference 511015532.53699

Square

Length = n
Perimeter 325322592
Area 6614674304099904
Diagonal 115018905.43819

Cube

Length = n
Surface area 39688045824599424
Volume 5.3797574746139E+23
Space diagonal 140868814.5485

Equilateral Triangle

Length = n
Perimeter 243991944
Area 2.8642379925553E+15
Altitude 70434407.27425

Triangular Pyramid

Length = n
Surface area 2.8642379925553E+15
Volume 6.3401049857309E+22
Height 38339635.146064