1421697987 (number)

1421697987 is an odd 10-digits composite number following 1421697986 and preceding 1421697988. In scientific notation, it is written as 1.421697987 × 10^9. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 946381968 positive integers (up to 1421697987) that are relatively prime to 1421697987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.421697987 × 10^9
Engineering notation 1.421697987 × 10^9

Prime Factorization of 1421697987

Prime Factorization 9 × 81 × 1877 × 1039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1421697987
Product of the distinct prime numbers

The prime factorization of 1421697987 is 9 × 81 × 1877 × 1039. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1421697987)

Multiplication

n×y
n×2 2843395974
n×3 4265093961
n×4 5686791948
n×5 7108489935

Division

n÷y
n÷2 710848993.5
n÷3 473899329
n÷3 355424496.75
n÷5 284339597.4

Exponentiation

ny
n2 2021225166239852169
n3 2.8735717501169E+27
n4 4.0853511726413E+36
n5 5.8081355383323E+45

Nth Root

y√n
2√n 37705.410579915
3√n 1124.4386959913
4√n 194.17881084175
5√n 67.695760218564

Divisors of 1421697987

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 -1421697986
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 1421697987 can be divided by 16 positive divisors. The sum of these divisors (counting 1421697987) is 1, the average is 0.0625.

Base conversion 1421697987

Base System Value
2 Binary 1010100101111010110001111000011
3 Ternary 10200002011202000000
4 Quaternary 1110233112033003
5 Quinary 10402423313422
6 Senary 353023531043
8 Octal 12457261703
10 Decimal 1421697987
12 Duodecimal 338159a83
16 Hexadecimal 54bd63c3
20 Vigesimal 1245c4j7
36 Base36 nifx6r

Cryptographic Hash Functions

md5 edc8fa2634b3ffc45bace0d41b6e2295
sha1 c9df45c526a8e7b306080c041f798376dc96ae73
sha256 dccb1126c0d45982123e04bf75cd01b992664b172784ad40d210287cb487ee4b
sha512 fd5b0010835f65c3aa99e41853903f1fd13fd58716f68488e1133c9d119177b3d0c58c16f0b8b2c0c9a9d1cefcf7f76d002d959a9f333ec3bb2a205da98193e4
ripemd-160 bdfd0088f6ce0101ccf2bbc2893744455e94cb54

1421697987 as geometric shapes

Circle

Radius = n
Diameter 2843395974
Circumference 8932791903.1652
Area 6.3498661335099E+18

Sphere

Radius = n
Volume 1.2036789199641E+28
Surface area 2.539946453404E+19
Circumference 8932791903.1652

Square

Length = n
Perimeter 5686791948
Area 2021225166239852169
Diagonal 2010584574.8139

Cube

Length = n
Surface area 1.2127350997439E+19
Volume 2.8735717501169E+27
Space diagonal 2462453146.5024

Equilateral Triangle

Length = n
Perimeter 4265093961
Area 8.7521617036607E+17
Altitude 1231226573.2512

Triangular Pyramid

Length = n
Surface area 8.7521617036607E+17
Volume 3.3865367845563E+26
Height 670194858.27131