820021605 (number)

820021605 is an odd 9-digits composite number following 820021604 and preceding 820021606. In scientific notation, it is written as 8.20021605 × 10^8. The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors. There are 379929600 positive integers (up to 820021605) that are relatively prime to 820021605.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.20021605 × 10^8
Engineering notation 8.20021605 × 10^6

Prime Factorization of 820021605

Prime Factorization 15 × 13 × 17 × 17 × 14551

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 48236565
Product of the distinct prime numbers

The prime factorization of 820021605 is 15 × 13 × 17 × 17 × 14551. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 3, 83, 51, 901, 679, 394, 7249, 94194, 20064, 307506, 375683, 9369349, 3328774, 99111907, 18680914, 703380544, 946337350, 941092778, 1217832004

Basic calculations (n = 820021605)

Multiplication

n×y
n×2 1640043210
n×3 2460064815
n×4 3280086420
n×5 4100108025

Division

n÷y
n÷2 410010802.5
n÷3 273340535
n÷3 205005401.25
n÷5 164004321

Exponentiation

ny
n2 672435432666776025
n3 5.5141158275428E+26
n4 4.5216941110575E+35
n5 3.7078868622685E+44

Nth Root

y√n
2√n 28636.019363731
3√n 935.99838259455
4√n 169.22180522537
5√n 60.640819115685

Divisors of 820021605

1, 13, 15, 17, 195, 221, 255, 289, 3315, 3757, 4335, 14551, 56355, 189163, 218265, 247367, 2837445, 3215771, 3710505, 4205239, 48236565, 54668107, 63078585, 820021605

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -820021604
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 820021605 can be divided by 24 positive divisors. The sum of these divisors (counting 820021605) is 1, the average is 0.041666666666667.

Base conversion 820021605

Base System Value
2 Binary 110000111000001000100101100101
3 Ternary 2010011000102011120
4 Quaternary 300320020211211
5 Quinary 3134411142410
6 Senary 213211524153
8 Octal 6070104545
10 Decimal 820021605
12 Duodecimal 1aa759659
16 Hexadecimal 30e08965
20 Vigesimal cg52e05
36 Base36 dk7wpx

Cryptographic Hash Functions

md5 9625f3ccaeb353c014a38512a0d0286d
sha1 784556c310057a3ae77f78a88ba94f0b371cfb24
sha256 64a1a5922e6c97a8906ffe3cc62b139c77929239e0954e60afc1fd83b5f33905
sha512 745bb6adc59bf8b3695b01499515701f538f7120ffd1c8d9808d9d754e7bf9a88d4524a027eba61a08db0b7735c8750f42e46e609cf19953e31aa28e2c675d08
ripemd-160 6e9b9b460099db079ae0015262db5fa20d62c5cd

820021605 as geometric shapes

Circle

Radius = n
Diameter 1640043210
Circumference 5152347700.1058
Area 2.1125182152794E+18

Sphere

Radius = n
Volume 2.3097474366469E+27
Surface area 8.4500728611177E+18
Circumference 5152347700.1058

Square

Length = n
Perimeter 3280086420
Area 672435432666776025
Diagonal 1159685675.23

Cube

Length = n
Surface area 4034612596000656150
Volume 5.5141158275428E+26
Space diagonal 1420319083.1642

Equilateral Triangle

Length = n
Perimeter 2460064815
Area 2.911730835471E+17
Altitude 710159541.58209

Triangular Pyramid

Length = n
Surface area 2.911730835471E+17
Volume 6.4984478231726E+25
Height 386561891.74332