1689721821 (number)

1689721821 is an odd 10-digits composite number following 1689721820 and preceding 1689721822. In scientific notation, it is written as 1.689721821 × 10^9. The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors. There are 1126481208 positive integers (up to 1689721821) that are relatively prime to 1689721821.

Interesting facts

Basic properties

Name

Name one billion six hundred eighty-nine million seven hundred twenty-one thousand eight hundred twenty-one

Notation

Scientific notation 1.689721821 × 10^9
Engineering notation 1.689721821 × 10^9

Prime Factorization of 1689721821

Prime Factorization 3 × 3 × 187746869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 563240607
Product of the distinct prime numbers

The prime factorization of 1689721821 is 3 × 3 × 187746869. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 81, 32, 929, 328, 3113, 4265, 43513, 33545, 820028, 919364, 6186298, 9904170, 99318335, 6660548, 702560670, 594804233, 8013779973, 4378916443

Basic calculations (n = 1689721821)

Multiplication

n×y
n×2 3379443642
n×3 5069165463
n×4 6758887284
n×5 8448609105

Division

n÷y
n÷2 844860910.5
n÷3 563240607
n÷3 422430455.25
n÷5 337944364.2

Exponentiation

ny
n2 2855159832363556041
n3 4.8244258711874E+27
n4 8.1519376683423E+36
n5 1.377450696163E+46

Nth Root

y√n
2√n 41106.226061267
3√n 1191.0730666406
4√n 202.74670419335
5√n 70.074989686643

Divisors of 1689721821

1, 3, 9, 187746869, 563240607, 1689721821

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1689721820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1689721821 can be divided by 6 positive divisors. The sum of these divisors (counting 1689721821) is 1, the average is 0.16666666666667.

Base conversion 1689721821

Base System Value
2 Binary 1100100101101110001101111011101
3 Ternary 11100202111202120200
4 Quaternary 1210231301233131
5 Quinary 11430032044241
6 Senary 435400334113
8 Octal 14455615735
10 Decimal 1689721821
12 Duodecimal 3b1a74339
16 Hexadecimal 64b71bdd
20 Vigesimal 1680f4b1
36 Base36 ry0lp9

Cryptographic Hash Functions

md5 0afe81777e7af0a301bb4edfca20e26c
sha1 848422de502d0a36d8ffeffd9cde7c3998f3eb1d
sha256 03294ab8965bb87ac1df320faac204d7e2ddb21dde9be596291aff25a1659de7
sha512 e9df8de719b66305ca319c472ded256cfb8e1837a8f66afb3757f8b367c0a303431e0820f0226fcf6dbfd1b391964fa85918ef884ecbeec7f353381bb30694e6
ripemd-160 9a9aeda2eeb430db9af5b90586567714b439839d

1689721821 as geometric shapes

Circle

Radius = n
Diameter 3379443642
Circumference 10616835318.928
Area 8.969749154178E+18

Sphere

Radius = n
Volume 2.0208507832948E+28
Surface area 3.5878996616712E+19
Circumference 10616835318.928

Square

Length = n
Perimeter 6758887284
Area 2855159832363556041
Diagonal 2389627515.896

Cube

Length = n
Surface area 1.7130958994181E+19
Volume 4.8244258711874E+27
Space diagonal 2926684044.6298

Equilateral Triangle

Length = n
Perimeter 5069165463
Area 1.2363204733459E+18
Altitude 1463342022.3149

Triangular Pyramid

Length = n
Surface area 1.2363204733459E+18
Volume 5.6856404147474E+26
Height 796542505.29865