81018046 (number)

81018046 is an even 8-digits composite number following 81018045 and preceding 81018047. In scientific notation, it is written as 8.1018046 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 39872536 positive integers (up to 81018046) that are relatively prime to 81018046.

Interesting facts

Basic properties

Name

Name eighty-one million eighteen thousand forty-six

Notation

Scientific notation 8.1018046 × 10^7
Engineering notation 8.1018046 × 10^6

Prime Factorization of 81018046

Prime Factorization 2 × 107 × 167 × 2267

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81018046
Product of the distinct prime numbers

The prime factorization of 81018046 is 2 × 107 × 167 × 2267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 36, 21, 445, 181, 9349, 1226, 44241, 38428, 85531, 780719, 3650260, 6947356, 2207399, 89051146, 162278673, 483534193, 7119030212, 9598721125

Basic calculations (n = 81018046)

Multiplication

n×y
n×2 162036092
n×3 243054138
n×4 324072184
n×5 405090230

Division

n÷y
n÷2 40509023
n÷3 27006015.333333
n÷3 20254511.5
n÷5 16203609.2

Exponentiation

ny
n2 6563923777658116
n3 5.317962785588E+23
n4 4.3085095358906E+31
n5 3.4906702377022E+39

Nth Root

y√n
2√n 9001.0024997219
3√n 432.70700060228
4√n 94.873613295383
5√n 38.169489625933

Divisors of 81018046

1, 2, 107, 167, 214, 334, 2267, 4534, 17869, 35738, 242569, 378589, 485138, 757178, 40509023, 81018046

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81018045
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81018046 can be divided by 16 positive divisors. The sum of these divisors (counting 81018046) is 1, the average is 0.0625.

Base conversion 81018046

Base System Value
2 Binary 100110101000011110010111110
3 Ternary 12122110010212101
4 Quaternary 10311003302332
5 Quinary 131220034141
6 Senary 12012255314
8 Octal 465036276
10 Decimal 81018046
12 Duodecimal 2317153a
16 Hexadecimal 4d43cbe
20 Vigesimal 1567526
36 Base36 1c8hxa

Cryptographic Hash Functions

md5 737e5b8b2fd914347e5503595ba34442
sha1 3fbcfa010a4d839bbf000f4d63e4656c55b99f5f
sha256 405cdce0ad0c19665b9b636a2b69d288f8f3b433c514704da303c7899157a3dc
sha512 2014e2297f1ace6155558f4efe4fa694f5d7727dbfaf6ebd1474a615416f5ba0f67b5493e427b2507d82df4f4ef1568d1fda85f81e6b9a0f1619c9e735a488ff
ripemd-160 6256be9349568caeeefebef7bc0560f19d0b3049

81018046 as geometric shapes

Circle

Radius = n
Diameter 162036092
Circumference 509051396.2436
Area 2.0621174718614E+16

Sphere

Radius = n
Volume 2.227583042569E+24
Surface area 8.2484698874456E+16
Circumference 509051396.2436

Square

Length = n
Perimeter 324072184
Area 6563923777658116
Diagonal 114576819.45017

Cube

Length = n
Surface area 39383542665948696
Volume 5.317962785588E+23
Space diagonal 140327372.00195

Equilateral Triangle

Length = n
Perimeter 243054138
Area 2.8422623699783E+15
Altitude 70163686.000976

Triangular Pyramid

Length = n
Surface area 2.8422623699783E+15
Volume 6.2672792463116E+22
Height 38192273.150056