81052904 (number)

81052904 is an even 8-digits composite number following 81052903 and preceding 81052905. In scientific notation, it is written as 8.1052904 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 40124800 positive integers (up to 81052904) that are relatively prime to 81052904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1052904 × 10^7
Engineering notation 8.1052904 × 10^6

Prime Factorization of 81052904

Prime Factorization 2 × 2 × 2 × 101 × 100313

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20263226
Product of the distinct prime numbers

The prime factorization of 81052904 is 2 × 2 × 2 × 101 × 100313. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 58, 51, 304, 833, 4494, 5803, 37799, 25022, 111476, 29965, 4736303, 813477, 15392574, 52870715, 31828488, 48345261, 8938576721, 3722990578

Basic calculations (n = 81052904)

Multiplication

n×y
n×2 162105808
n×3 243158712
n×4 324211616
n×5 405264520

Division

n÷y
n÷2 40526452
n÷3 27017634.666667
n÷3 20263226
n÷5 16210580.8

Exponentiation

ny
n2 6569573246833216
n3 5.3248298969654E+23
n4 4.3159292645507E+31
n5 3.4981860035042E+39

Nth Root

y√n
2√n 9002.9386313581
3√n 432.76904907457
4√n 94.883816488156
5√n 38.172773544055

Divisors of 81052904

1, 2, 4, 8, 101, 202, 404, 808, 100313, 200626, 401252, 802504, 10131613, 20263226, 40526452, 81052904

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 -81052903
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 81052904 can be divided by 16 positive divisors. The sum of these divisors (counting 81052904) is 1, the average is 0.0625.

Base conversion 81052904

Base System Value
2 Binary 100110101001100010011101000
3 Ternary 12122111220200102
4 Quaternary 10311030103220
5 Quinary 131222143104
6 Senary 12013124532
8 Octal 465142350
10 Decimal 81052904
12 Duodecimal 23189748
16 Hexadecimal 4d4c4e8
20 Vigesimal 156bc54
36 Base36 1c98tk

Cryptographic Hash Functions

md5 f169c87de466806643916f08456d2532
sha1 36ec0582a7d2093b3ec7a7aedfd2cd5ceec378ed
sha256 f03034e3131c41c151e4ef5febf1a19e875494af5eb78f589cc5e3c37a02ed9a
sha512 cee71af436b9c5f890fe39a828449d2e21d095f2111a82021e5ecff9da7e7c43752df1acd2b99ae1ebc2526bc063d76a4800a574d553aa3e68f355de39e2a542
ripemd-160 8edb6e9142c3342aca509465692618e22430ce3d

81052904 as geometric shapes

Circle

Radius = n
Diameter 162105808
Circumference 509270415.51704
Area 2.0638923049471E+16

Sphere

Radius = n
Volume 2.2304595314562E+24
Surface area 8.2555692197885E+16
Circumference 509270415.51704

Square

Length = n
Perimeter 324211616
Area 6569573246833216
Diagonal 114626116.10652

Cube

Length = n
Surface area 39417439480999296
Volume 5.3248298969654E+23
Space diagonal 140387747.829

Equilateral Triangle

Length = n
Perimeter 243158712
Area 2.8447086618901E+15
Altitude 70193873.914501

Triangular Pyramid

Length = n
Surface area 2.8447086618901E+15
Volume 6.2753722146818E+22
Height 38208705.368841