81229042 (number)

81229042 is an even 8-digits composite number following 81229041 and preceding 81229043. In scientific notation, it is written as 8.1229042 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 40614520 positive integers (up to 81229042) that are relatively prime to 81229042.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred twenty-nine thousand forty-two

Notation

Scientific notation 8.1229042 × 10^7
Engineering notation 8.1229042 × 10^6

Prime Factorization of 81229042

Prime Factorization 2 × 40614521

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81229042
Product of the distinct prime numbers

The prime factorization of 81229042 is 2 × 40614521. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81229042)

Multiplication

n×y
n×2 162458084
n×3 243687126
n×4 324916168
n×5 406145210

Division

n÷y
n÷2 40614521
n÷3 27076347.333333
n÷3 20307260.5
n÷5 16245808.4

Exponentiation

ny
n2 6598157264237764
n3 5.3596199353937E+23
n4 4.3535679283614E+31
n5 3.5363615210272E+39

Nth Root

y√n
2√n 9012.7155730113
3√n 433.08230918254
4√n 94.935323104792
5√n 38.189349974292

Divisors of 81229042

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81229041
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81229042 can be divided by 4 positive divisors. The sum of these divisors (counting 81229042) is 1, the average is 0.25.

Base conversion 81229042

Base System Value
2 Binary 100110101110111010011110010
3 Ternary 12122211212022001
4 Quaternary 10311313103302
5 Quinary 131243312132
6 Senary 12021004214
8 Octal 465672362
10 Decimal 81229042
12 Duodecimal 2325366a
16 Hexadecimal 4d774f2
20 Vigesimal 157dcc2
36 Base36 1cd0qa

Cryptographic Hash Functions

md5 edee82f5bcbd30b80291ee75a2661491
sha1 ecaaca82e8b7a16748bd38fdfda2d0efddde57d5
sha256 a4c6575f8f1a5568333266b1cbbc959cded18cb87731c8ff58acdd2009cf38bf
sha512 984812e98f2b9e698c3f80f98a0fef285cbd397dcc8816cebfde66163c0b2a330e3bff5fac0dce43e02b9674c2be3df3a99f27def4c951c72149383c3f9e2ad1
ripemd-160 4ddcd450d0cd2c3ba126da1e40294c67442e7b81

81229042 as geometric shapes

Circle

Radius = n
Diameter 162458084
Circumference 510377123.21067
Area 2.0728722388559E+16

Sphere

Radius = n
Volume 2.2450323486755E+24
Surface area 8.2914889554238E+16
Circumference 510377123.21067

Square

Length = n
Perimeter 324916168
Area 6598157264237764
Diagonal 114875212.85497

Cube

Length = n
Surface area 39588943585426584
Volume 5.3596199353937E+23
Space diagonal 140692827.79415

Equilateral Triangle

Length = n
Perimeter 243687126
Area 2.8570859044974E+15
Altitude 70346413.897073

Triangular Pyramid

Length = n
Surface area 2.8570859044974E+15
Volume 6.3163726681659E+22
Height 38291737.618325