81330772 (number)

81330772 is an even 8-digits composite number following 81330771 and preceding 81330773. In scientific notation, it is written as 8.1330772 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 40665384 positive integers (up to 81330772) that are relatively prime to 81330772.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand seven hundred seventy-two

Notation

Scientific notation 8.1330772 × 10^7
Engineering notation 8.1330772 × 10^6

Prime Factorization of 81330772

Prime Factorization 2 × 2 × 20332693

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 40665386
Product of the distinct prime numbers

The prime factorization of 81330772 is 2 × 2 × 20332693. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 4, 33, 58, 720, 890, 8500, 7931, 50719, 30086, 523552, 381643, 8316786, 8625122, 93070266, 45142445, 252756383, 149727459, 9527240651, 9532018591

Basic calculations (n = 81330772)

Multiplication

n×y
n×2 162661544
n×3 243992316
n×4 325323088
n×5 406653860

Division

n÷y
n÷2 40665386
n÷3 27110257.333333
n÷3 20332693
n÷5 16266154.4

Exponentiation

ny
n2 6614694474115984
n3 5.3797820812399E+23
n4 4.3754182985901E+31
n5 3.5585614804726E+39

Nth Root

y√n
2√n 9018.3575001216
3√n 433.26302896255
4√n 94.965033039122
5√n 38.198910736629

Divisors of 81330772

1, 2, 4, 20332693, 40665386, 81330772

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330771
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330772 can be divided by 6 positive divisors. The sum of these divisors (counting 81330772) is 1, the average is 0.16666666666667.

Base conversion 81330772

Base System Value
2 Binary 100110110010000001001010100
3 Ternary 12200001000211211
4 Quaternary 10312100021110
5 Quinary 131310041042
6 Senary 12023111204
8 Octal 466201124
10 Decimal 81330772
12 Duodecimal 232a2504
16 Hexadecimal 4d90254
20 Vigesimal 15866ic
36 Base36 1cf784

Cryptographic Hash Functions

md5 366adba941985f5376f68a6c3cadc163
sha1 45e701dae472141c1a6e40c4cf76213a4af5d4e2
sha256 d29a4ab738ea175546ca1aa4c88b3388db10aaaddde3d812b86c5be42cc598a8
sha512 d8bf641cb87912b3652052f7fa487cc4a1dea43de1a4ae2e783552c711fb211d4cd69d717a93fcfbe6e20cfda25f4ba2eb36390c1c3100f86ccc15f74e47cfe2
ripemd-160 8f86404a7d2906e339feb6091e4649ce049140b9

81330772 as geometric shapes

Circle

Radius = n
Diameter 162661544
Circumference 511016311.65197
Area 2.0780675565624E+16

Sphere

Radius = n
Volume 2.2534778485783E+24
Surface area 8.3122702262495E+16
Circumference 511016311.65197

Square

Length = n
Perimeter 325323088
Area 6614694474115984
Diagonal 115019080.80067

Cube

Length = n
Surface area 39688166844695904
Volume 5.3797820812399E+23
Space diagonal 140869029.3228

Equilateral Triangle

Length = n
Perimeter 243992316
Area 2.8642467264285E+15
Altitude 70434514.6614

Triangular Pyramid

Length = n
Surface area 2.8642467264285E+15
Volume 6.3401339849177E+22
Height 38339693.600225