1638992021 (number)

1638992021 is an odd 10-digits composite number following 1638992020 and preceding 1638992022. In scientific notation, it is written as 1.638992021 × 10^9. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 1638271200 positive integers (up to 1638992021) that are relatively prime to 1638992021.

Interesting facts

Basic properties

Name

Name one billion six hundred thirty-eight million nine hundred ninety-two thousand twenty-one

Notation

Scientific notation 1.638992021 × 10^9
Engineering notation 1.638992021 × 10^9

Prime Factorization of 1638992021

Prime Factorization 2281 × 718541

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1638992021
Product of the distinct prime numbers

The prime factorization of 1638992021 is 2281 × 718541. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 80, 45, 790, 609, 624, 8610, 55117, 2143, 236869, 59857, 6253803, 7549809, 50561183, 37278200, 513692619, 842638310, 2483652461, 6837870305

Basic calculations (n = 1638992021)

Multiplication

n×y
n×2 3277984042
n×3 4916976063
n×4 6555968084
n×5 8194960105

Division

n÷y
n÷2 819496010.5
n÷3 546330673.66667
n÷3 409748005.25
n÷5 327798404.2

Exponentiation

ny
n2 2686294844901664441
n3 4.4028158168473E+27
n4 7.2161799937453E+36
n5 1.1827261431848E+46

Nth Root

y√n
2√n 40484.466416145
3√n 1179.0320562164
4√n 201.20752077431
5√n 69.649077385364

Divisors of 1638992021

1, 2281, 718541, 1638992021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1638992020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1638992021 can be divided by 4 positive divisors. The sum of these divisors (counting 1638992021) is 1, the average is 0.25.

Base conversion 1638992021

Base System Value
2 Binary 1100001101100010000100010010101
3 Ternary 11020020001102101012
4 Quaternary 1201230100202111
5 Quinary 11324040221041
6 Senary 430345142005
8 Octal 14154204225
10 Decimal 1638992021
12 Duodecimal 398a8a905
16 Hexadecimal 61b10895
20 Vigesimal 15c3e011
36 Base36 r3tac5

Cryptographic Hash Functions

md5 52675c0135b65ef57009f9e7106e1ec6
sha1 41faca061bfecd740f502b2c0e84380a47607ffa
sha256 1b66eb7f1329ac021f2712fad7ceb4cd48e55a72c7632dacbe21d80b3f56023e
sha512 bf3cbe7be3299698fad18cf3cf1c9f83b52b15d2d71cd1f505f799c31f0a2c767b224d1021a44e833610f0de1768792e4c05a74d21fe4e01c35d32d41009ade5
ripemd-160 fcdf53b3ba8d1a38d740d384035f52e7618e5ebb

1638992021 as geometric shapes

Circle

Radius = n
Diameter 3277984042
Circumference 10298090584.932
Area 8.4392441501192E+18

Sphere

Radius = n
Volume 1.8442471767088E+28
Surface area 3.3756976600477E+19
Circumference 10298090584.932

Square

Length = n
Perimeter 6555968084
Area 2686294844901664441
Diagonal 2317884744.7195

Cube

Length = n
Surface area 1.611776906941E+19
Volume 4.4028158168473E+27
Space diagonal 2838817453.572

Equilateral Triangle

Length = n
Perimeter 4916976063
Area 1.16319978887E+18
Altitude 1419408726.786

Triangular Pyramid

Length = n
Surface area 1.16319978887E+18
Volume 5.1887682006801E+26
Height 772628248.23983