81462009 (number)

81462009 is an odd 8-digits composite number following 81462008 and preceding 81462010. In scientific notation, it is written as 8.1462009 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 54308004 positive integers (up to 81462009) that are relatively prime to 81462009.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred sixty-two thousand nine

Notation

Scientific notation 8.1462009 × 10^7
Engineering notation 8.1462009 × 10^6

Prime Factorization of 81462009

Prime Factorization 3 × 27154003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81462009
Product of the distinct prime numbers

The prime factorization of 81462009 is 3 × 27154003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81462009)

Multiplication

n×y
n×2 162924018
n×3 244386027
n×4 325848036
n×5 407310045

Division

n÷y
n÷2 40731004.5
n÷3 27154003
n÷3 20365502.25
n÷5 16292401.8

Exponentiation

ny
n2 6636058910316081
n3 5.405866906767E+23
n4 4.4037277861185E+31
n5 3.5873651254634E+39

Nth Root

y√n
2√n 9025.630670485
3√n 433.49594442845
4√n 95.003319260355
5√n 38.211230496423

Divisors of 81462009

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 -81462008
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 81462009 can be divided by 4 positive divisors. The sum of these divisors (counting 81462009) is 1, the average is 0.25.

Base conversion 81462009

Base System Value
2 Binary 100110110110000001011111001
3 Ternary 12200021200212110
4 Quaternary 10312300023321
5 Quinary 131323241014
6 Senary 12030002533
8 Octal 466601371
10 Decimal 81462009
12 Duodecimal 23346449
16 Hexadecimal 4db02f9
20 Vigesimal 1592f09
36 Base36 1ci0hl

Cryptographic Hash Functions

md5 2eedd05edfde020b79daef052ff165a1
sha1 6cd2e7b003b4de455c570482b72c00f5dd6d5e45
sha256 c057924280acaf3ec5bb6aadcad1b3f811b1f1354e28d3c8c8d9a137f5bbfde9
sha512 a17d51dcb4594b5217a83013c7791cbe1f6c07bcff0161baebb3031ea979e19916e11358668431aeae5407cf153f4af20fa08e35d0b085b266bf069ca3b3aa7c
ripemd-160 1b80d251817c7276ac31866c52f3a4ece873ed40

81462009 as geometric shapes

Circle

Radius = n
Diameter 162924018
Circumference 511840898.04213
Area 2.0847793921438E+16

Sphere

Radius = n
Volume 2.2644042347444E+24
Surface area 8.3391175685752E+16
Circumference 511840898.04213

Square

Length = n
Perimeter 325848036
Area 6636058910316081
Diagonal 115204677.94596

Cube

Length = n
Surface area 39816353461896486
Volume 5.405866906767E+23
Space diagonal 141096338.47463

Equilateral Triangle

Length = n
Perimeter 244386027
Area 2.8734977986719E+15
Altitude 70548169.237317

Triangular Pyramid

Length = n
Surface area 2.8734977986719E+15
Volume 6.3708752466115E+22
Height 38401559.31532