821440690 (number)

821440690 is an even 9-digits composite number following 821440689 and preceding 821440691. In scientific notation, it is written as 8.21440690 × 10^8. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 281636784 positive integers (up to 821440690) that are relatively prime to 821440690.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million four hundred forty thousand six hundred ninety

Notation

Scientific notation 8.21440690 × 10^8
Engineering notation 8.21440690 × 10^6

Prime Factorization of 821440690

Prime Factorization 2 × 5 × 7 × 11734867

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 821440690
Product of the distinct prime numbers

The prime factorization of 821440690 is 2 × 5 × 7 × 11734867. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 38, 48, 10, 170, 6847, 5842, 52521, 96579, 765889, 510967, 4633296, 4891681, 16443026, 99484544, 268709709, 527319973, 4446470954, 1270489181

Basic calculations (n = 821440690)

Multiplication

n×y
n×2 1642881380
n×3 2464322070
n×4 3285762760
n×5 4107203450

Division

n÷y
n÷2 410720345
n÷3 273813563.33333
n÷3 205360172.5
n÷5 164288138

Exponentiation

ny
n2 674764807187676100
n3 5.5427926880396E+26
n4 4.5530754501902E+35
n5 3.7400814394263E+44

Nth Root

y√n
2√n 28660.786625632
3√n 936.53800081386
4√n 169.29496928625
5√n 60.661792946023

Divisors of 821440690

1, 2, 5, 7, 10, 14, 35, 70, 11734867, 23469734, 58674335, 82144069, 117348670, 164288138, 410720345, 821440690

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 -821440689
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 821440690 can be divided by 16 positive divisors. The sum of these divisors (counting 821440690) is 1, the average is 0.0625.

Base conversion 821440690

Base System Value
2 Binary 110000111101100011000010110010
3 Ternary 2010020200111210021
4 Quaternary 300331203002302
5 Quinary 3140242100230
6 Senary 213302154054
8 Octal 6075430262
10 Decimal 821440690
12 Duodecimal 1ab12292a
16 Hexadecimal 30f630b2
20 Vigesimal cge01ea
36 Base36 dl2boy

Cryptographic Hash Functions

md5 311a27514846ef3c87b5aa46a00db2c7
sha1 3800c78c31db47c02db3b538e1a33d1224d4a3bb
sha256 ad2823575c0d36f4f701676be9b62f06a1d63e40cc44501953e8d0a6fe7ad8bc
sha512 9796441cb51524c9b593db2e102f031e517c2a92318ece8e4c5a1af0fe5c359f7d0ce0ccff28745ebc302516114f512e812fa89b0abe6684378de1a3ee9ce922
ripemd-160 9e39d02e8fceb7a4843245bd01430f5a1c9bdb27

821440690 as geometric shapes

Circle

Radius = n
Diameter 1642881380
Circumference 5161264074.1275
Area 2.1198361611617E+18

Sphere

Radius = n
Volume 2.3217595718822E+27
Surface area 8.4793446446469E+18
Circumference 5161264074.1275

Square

Length = n
Perimeter 3285762760
Area 674764807187676100
Diagonal 1161692564.4831

Cube

Length = n
Surface area 4048588843126056600
Volume 5.5427926880396E+26
Space diagonal 1422777010.4844

Equilateral Triangle

Length = n
Perimeter 2464322070
Area 2.9218173230212E+17
Altitude 711388505.24222

Triangular Pyramid

Length = n
Surface area 2.9218173230212E+17
Volume 6.5322438273734E+25
Height 387230854.8277