820121618 (number)

820121618 is an even 9-digits composite number following 820121617 and preceding 820121619. In scientific notation, it is written as 8.20121618 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 409928004 positive integers (up to 820121618) that are relatively prime to 820121618.

Interesting facts

Basic properties

Name

Name eight hundred twenty million one hundred twenty-one thousand six hundred eighteen

Notation

Scientific notation 8.20121618 × 10^8
Engineering notation 8.20121618 × 10^6

Prime Factorization of 820121618

Prime Factorization 2 × 3163 × 129643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 820121618
Product of the distinct prime numbers

The prime factorization of 820121618 is 2 × 3163 × 129643. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 820121618)

Multiplication

n×y
n×2 1640243236
n×3 2460364854
n×4 3280486472
n×5 4100608090

Division

n÷y
n÷2 410060809
n÷3 273373872.66667
n÷3 205030404.5
n÷5 164024323.6

Exponentiation

ny
n2 672599468310937924
n3 5.5161336421711E+26
n4 4.5239004477216E+35
n5 3.7101485548563E+44

Nth Root

y√n
2√n 28637.765590213
3√n 936.03643370611
4√n 169.22696472552
5√n 60.642298241198

Divisors of 820121618

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -820121617
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 820121618 can be divided by 8 positive divisors. The sum of these divisors (counting 820121618) is 1, the average is 0.125.

Base conversion 820121618

Base System Value
2 Binary 110000111000100001000000010010
3 Ternary 2010011012111100202
4 Quaternary 300320201000102
5 Quinary 3134422342433
6 Senary 213214015202
8 Octal 6070410022
10 Decimal 820121618
12 Duodecimal 1aa7a7502
16 Hexadecimal 30e21012
20 Vigesimal cg5f40i
36 Base36 dka1w2

Cryptographic Hash Functions

md5 6abda4e4c3eeed2f0cccd2de2d77c5ad
sha1 af182d67a1112d68ab1a3f0c91bc0185f1b7b9ff
sha256 f69c67cb4a651f78e17d8f2e8c2eba7932e1f7ab7a55b777c444c3775d574d1b
sha512 0a10848607f0b1387e6b28e4a8a2882abf5496cc600631eabf6a8b94c648c906136538d1b2666ad68db8665bbaf5cb44ef5d84dac007e3a929cc3560ec619d49
ripemd-160 39701defd13bd782725b29c117f4462892be3df1

820121618 as geometric shapes

Circle

Radius = n
Diameter 1640243236
Circumference 5152976100.3179
Area 2.113033548454E+18

Sphere

Radius = n
Volume 2.3105926568619E+27
Surface area 8.4521341938162E+18
Circumference 5152976100.3179

Square

Length = n
Perimeter 3280486472
Area 672599468310937924
Diagonal 1159827114.971

Cube

Length = n
Surface area 4035596809865627544
Volume 5.5161336421711E+26
Space diagonal 1420492310.7616

Equilateral Triangle

Length = n
Perimeter 2460364854
Area 2.9124411306459E+17
Altitude 710246155.3808

Triangular Pyramid

Length = n
Surface area 2.9124411306459E+17
Volume 6.5008258405173E+25
Height 386609038.32366