821490240 (number)

821490240 is an even 9-digits composite number following 821490239 and preceding 821490241. In scientific notation, it is written as 8.21490240 × 10^8. The sum of its digits is 30. It has a total of 8 prime factors and 28 positive divisors. There are 219063808 positive integers (up to 821490240) that are relatively prime to 821490240.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.21490240 × 10^8
Engineering notation 8.21490240 × 10^6

Prime Factorization of 821490240

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 15 × 855719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 25671570
Product of the distinct prime numbers

The prime factorization of 821490240 is 2 × 2 × 2 × 2 × 2 × 2 × 15 × 855719. Since it has a total of 8 prime factors.

Most popular turbo-numbers

1, 6, 39, 32, 613, 594, 2647, 5029, 75385, 5498, 82156, 683527, 124132, 4978836, 89981970, 33655862, 485209134, 44227965, 6068196160, 6208392276

Basic calculations (n = 821490240)

Multiplication

n×y
n×2 1642980480
n×3 2464470720
n×4 3285960960
n×5 4107451200

Division

n÷y
n÷2 410745120
n÷3 273830080
n÷3 205372560
n÷5 164298048

Exponentiation

ny
n2 674846214415257600
n3 5.5437957864308E+26
n4 4.554174131106E+35
n5 3.7412095999641E+44

Nth Root

y√n
2√n 28661.651034091
3√n 936.55683135775
4√n 169.29752223258
5√n 60.662524762539

Divisors of 821490240

1, 2, 4, 8, 15, 16, 30, 32, 60, 64, 120, 240, 480, 960, 855719, 1711438, 3422876, 6845752, 12835785, 13691504, 25671570, 27383008, 51343140, 54766016, 102686280, 205372560, 410745120, 821490240

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 -821490239
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 821490240 can be divided by 28 positive divisors. The sum of these divisors (counting 821490240) is 1, the average is 0.035714285714286.

Base conversion 821490240

Base System Value
2 Binary 110000111101101111001001000000
3 Ternary 2010020210000202110
4 Quaternary 300331233021000
5 Quinary 3140300141430
6 Senary 213303215320
8 Octal 6075571100
10 Decimal 821490240
12 Duodecimal 1ab147540
16 Hexadecimal 30f6f240
20 Vigesimal cge65c0
36 Base36 dl3dxc

Cryptographic Hash Functions

md5 b3276fe5aaa935d09c5901b9c4d6810b
sha1 1f093c736e793efe849fde6ca52956253a7e2653
sha256 0c0d6e1659911c2a3ffaa2fcab799a7350c1c0883174858c2eacb86d70dba2a1
sha512 f0e1d32fda8ae1ac308abfcd9786068cfb630c3ec0f6e3506f4dabe2eb7bb83bee2fc54eb548a14530048d4d4738067c3efbffb160d54c8d5b9f0ab04869b922
ripemd-160 00674d169bcd7b9325b1014f69f6e656f14e055a

821490240 as geometric shapes

Circle

Radius = n
Diameter 1642980480
Circumference 5161575405.9594
Area 2.1200919095099E+18

Sphere

Radius = n
Volume 2.3221797487537E+27
Surface area 8.4803676380394E+18
Circumference 5161575405.9594

Square

Length = n
Perimeter 3285960960
Area 674846214415257600
Diagonal 1161762638.7651

Cube

Length = n
Surface area 4049077286491545600
Volume 5.5437957864308E+26
Space diagonal 1422862833.602

Equilateral Triangle

Length = n
Perimeter 2464470720
Area 2.9221698266569E+17
Altitude 711431416.80098

Triangular Pyramid

Length = n
Surface area 2.9221698266569E+17
Volume 6.5334259901644E+25
Height 387254212.92171