81444632 (number)

81444632 is an even 8-digits composite number following 81444631 and preceding 81444633. In scientific notation, it is written as 8.1444632 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 8 positive divisors. There are 40722312 positive integers (up to 81444632) that are relatively prime to 81444632.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-four thousand six hundred thirty-two

Notation

Scientific notation 8.1444632 × 10^7
Engineering notation 8.1444632 × 10^6

Prime Factorization of 81444632

Prime Factorization 2 × 2 × 2 × 10180579

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20361158
Product of the distinct prime numbers

The prime factorization of 81444632 is 2 × 2 × 2 × 10180579. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 4, 74, 600, 477, 5030, 4810, 67651, 37643, 301177, 60971, 8335002, 1339196, 48875499, 61879102, 427239959, 931756575, 8474798370, 2783898938

Basic calculations (n = 81444632)

Multiplication

n×y
n×2 162889264
n×3 244333896
n×4 325778528
n×5 407223160

Division

n÷y
n÷2 40722316
n÷3 27148210.666667
n÷3 20361158
n÷5 16288926.4

Exponentiation

ny
n2 6633228081615424
n3 5.4024082007923E+23
n4 4.3999714782731E+31
n5 3.5835405785845E+39

Nth Root

y√n
2√n 9024.6679717317
3√n 433.46511862878
4√n 94.998252466725
5√n 38.209600158002

Divisors of 81444632

1, 2, 4, 8, 10180579, 20361158, 40722316, 81444632

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81444631
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81444632 can be divided by 8 positive divisors. The sum of these divisors (counting 81444632) is 1, the average is 0.125.

Base conversion 81444632

Base System Value
2 Binary 100110110101011111100011000
3 Ternary 12200020211000212
4 Quaternary 10312223330120
5 Quinary 131322212012
6 Senary 12025350252
8 Octal 466537430
10 Decimal 81444632
12 Duodecimal 23338388
16 Hexadecimal 4dabf18
20 Vigesimal 1590bbc
36 Base36 1chn2w

Cryptographic Hash Functions

md5 21e77ed937ea1b982d0c63dd9bde201f
sha1 bd5c2f0d01cdd6cfa14ee84cf93d9c134f916470
sha256 c848b8b793c803a1197a285fae033502482c83c9c97662b9a6475faf84e2d7d8
sha512 0e0dfbc10574103fd76378b50ea7f8e026048dbbd60435eeb08ce43d53dc3779d59dca8a7595fc8cd90debdae9da20c64ada2cf154ceafb0210d1f5894ed082c
ripemd-160 92fca5f91afb0140810a28c3a8805fea7bc1d2ca

81444632 as geometric shapes

Circle

Radius = n
Diameter 162889264
Circumference 511731715.13105
Area 2.0838900610789E+16

Sphere

Radius = n
Volume 2.2629554553737E+24
Surface area 8.3355602443154E+16
Circumference 511731715.13105

Square

Length = n
Perimeter 325778528
Area 6633228081615424
Diagonal 115180103.15689

Cube

Length = n
Surface area 39799368489692544
Volume 5.4024082007923E+23
Space diagonal 141066240.62775

Equilateral Triangle

Length = n
Perimeter 244333896
Area 2.8722720138876E+15
Altitude 70533120.313875

Triangular Pyramid

Length = n
Surface area 2.8722720138876E+15
Volume 6.3667991225301E+22
Height 38393367.718962