81774920 (number)

81774920 is an even 8-digits composite number following 81774919 and preceding 81774921. In scientific notation, it is written as 8.1774920 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 32314560 positive integers (up to 81774920) that are relatively prime to 81774920.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seventy-four thousand nine hundred twenty

Notation

Scientific notation 8.1774920 × 10^7
Engineering notation 8.1774920 × 10^6

Prime Factorization of 81774920

Prime Factorization 2 × 2 × 2 × 5 × 83 × 24631

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20443730
Product of the distinct prime numbers

The prime factorization of 81774920 is 2 × 2 × 2 × 5 × 83 × 24631. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 8, 8, 94, 694, 961, 1190, 9517, 70977, 90105, 900703, 203844, 8080045, 2466113, 59149944, 86687486, 52940357, 413268795, 5538313130, 2284912407

Basic calculations (n = 81774920)

Multiplication

n×y
n×2 163549840
n×3 245324760
n×4 327099680
n×5 408874600

Division

n÷y
n÷2 40887460
n÷3 27258306.666667
n÷3 20443730
n÷5 16354984

Exponentiation

ny
n2 6687137541006400
n3 5.468401374448E+23
n4 4.4717808492337E+31
n5 3.6567952120362E+39

Nth Root

y√n
2√n 9042.9486341569
3√n 434.05028192724
4√n 95.094419574215
5√n 38.240540810563

Divisors of 81774920

1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 24631, 49262, 98524, 123155, 197048, 246310, 492620, 985240, 2044373, 4088746, 8177492, 10221865, 16354984, 20443730, 40887460, 81774920

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81774919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81774920 can be divided by 32 positive divisors. The sum of these divisors (counting 81774920) is 1, the average is 0.03125.

Base conversion 81774920

Base System Value
2 Binary 100110111111100100101001000
3 Ternary 12200212121002202
4 Quaternary 10313330211020
5 Quinary 131413244140
6 Senary 12040415332
8 Octal 467744510
10 Decimal 81774920
12 Duodecimal 23477548
16 Hexadecimal 4dfc948
20 Vigesimal 15b1h60
36 Base36 1copxk

Cryptographic Hash Functions

md5 0c4c460b178000cbb3b6a87f8730c7e2
sha1 c0c6fde1e24b873339480e06258982ad4fe84ca2
sha256 bd1f505c9bf195c415876a3da0f878a996089ebd36c8a6f199663e8a63f8d4f3
sha512 0998bda0cfb6a17b886b77e1e74d5f75fe0dd524c9602ab37c020017457bf0bc0a60a1e82658c7493e96132ecc721ff93e18511a1ccce42f1e36709828bce5de
ripemd-160 a010dda9b4b0905759fdb9150de393c05daf387f

81774920 as geometric shapes

Circle

Radius = n
Diameter 163549840
Circumference 513806975.83979
Area 2.100826217237E+16

Sphere

Radius = n
Volume 2.2905986113128E+24
Surface area 8.4033048689481E+16
Circumference 513806975.83979

Square

Length = n
Perimeter 327099680
Area 6687137541006400
Diagonal 115647200.92597

Cube

Length = n
Surface area 40122825246038400
Volume 5.468401374448E+23
Space diagonal 141638316.22488

Equilateral Triangle

Length = n
Perimeter 245324760
Area 2.8956154945561E+15
Altitude 70819158.11244

Triangular Pyramid

Length = n
Surface area 2.8956154945561E+15
Volume 6.4445728235366E+22
Height 38549066.975325