820121664 (number)

820121664 is an even 9-digits composite number following 820121663 and preceding 820121665. In scientific notation, it is written as 8.20121664 × 10^8. The sum of its digits is 30. It has a total of 8 prime factors and 28 positive divisors. There are 273373824 positive integers (up to 820121664) that are relatively prime to 820121664.

Interesting facts

Basic properties

Name

Name eight hundred twenty million one hundred twenty-one thousand six hundred sixty-four

Notation

Scientific notation 8.20121664 × 10^8
Engineering notation 8.20121664 × 10^6

Prime Factorization of 820121664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 4271467

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 25628802
Product of the distinct prime numbers

The prime factorization of 820121664 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 4271467. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 820121664)

Multiplication

n×y
n×2 1640243328
n×3 2460364992
n×4 3280486656
n×5 4100608320

Division

n÷y
n÷2 410060832
n÷3 273373888
n÷3 205030416
n÷5 164024332.8

Exponentiation

ny
n2 672599543762128896
n3 5.5161345703584E+26
n4 4.5239014626902E+35
n5 3.7101495953536E+44

Nth Root

y√n
2√n 28637.766393348
3√n 936.03645120664
4√n 169.22696709848
5√n 60.642298921474

Divisors of 820121664

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -820121663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 820121664 can be divided by 28 positive divisors. The sum of these divisors (counting 820121664) is 1, the average is 0.035714285714286.

Base conversion 820121664

Base System Value
2 Binary 110000111000100001000001000000
3 Ternary 2010011012111102110
4 Quaternary 300320201001000
5 Quinary 3134422343124
6 Senary 213214015320
8 Octal 6070410100
10 Decimal 820121664
12 Duodecimal 1aa7a7540
16 Hexadecimal 30e21040
20 Vigesimal cg5f434
36 Base36 dka1xc

Cryptographic Hash Functions

md5 d9a6391747c688efcb007b02384a2871
sha1 d1395c1f01359e8907746872dd7adc12281ad07e
sha256 0f24186cbef5004b1321a1a10ad664b6b6a29a6231971aa7f34161c7e341301d
sha512 d8bf9c4e73c337a27ee28435409e5c5a36d1a48fbbd214f718aa2352f9b2ec4d6a9cfdc54415deb2e06601e22393b95753145dfa45f842e8652b4782eab2565c
ripemd-160 de9c155b47d1fee5f21002db6c784e5951cda7ee

820121664 as geometric shapes

Circle

Radius = n
Diameter 1640243328
Circumference 5152976389.3445
Area 2.113033785491E+18

Sphere

Radius = n
Volume 2.3105930456601E+27
Surface area 8.4521351419638E+18
Circumference 5152976389.3445

Square

Length = n
Perimeter 3280486656
Area 672599543762128896
Diagonal 1159827180.0248

Cube

Length = n
Surface area 4035597262572773376
Volume 5.5161345703584E+26
Space diagonal 1420492390.4359

Equilateral Triangle

Length = n
Perimeter 2460364992
Area 2.9124414573591E+17
Altitude 710246195.21797

Triangular Pyramid

Length = n
Surface area 2.9124414573591E+17
Volume 6.5008269343966E+25
Height 386609060.00826