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.
1421697987 has 16 divisors, whose sum is 1601558400
The reverse of 1421697987 is 7897961241
Previous prime number is 1877
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion four hundred twenty-one million six hundred ninety-seven thousand nine hundred eighty-seven
Scientific notation
1.421697987 × 10^9
Engineering notation
1.421697987 × 10^9
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.
10 , 7 , 75 , 78 , 780 , 927 , 1259 , 3554 , 40094 , 44556 , 308364 , 205976 , 923340 , 3684758 , 55840777 , 34140788 , 613400141 , 43954250 , 1656495188 , 1076865518
n×2
2843395974
n×3
4265093961
n×4
5686791948
n×5
7108489935
n÷2
710848993.5
n÷3
473899329
n÷3
355424496.75
n÷5
284339597.4
n2
2021225166239852169
n3
2.8735717501169E+27
n4
4.0853511726413E+36
n5
5.8081355383323E+45
2 √n
37705.410579915
3 √n
1124.4386959913
4 √n
194.17881084175
5 √n
67.695760218564
1 , 9 , 81 , 729 , 1039 , 1877 , 9351 , 16893 , 84159 , 152037 , 757431 , 1368333 , 1950203 , 17551827 , 157966443 , 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
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
md5
edc8fa2634b3ffc45bace0d41b6e2295
sha1
c9df45c526a8e7b306080c041f798376dc96ae73
sha256
dccb1126c0d45982123e04bf75cd01b992664b172784ad40d210287cb487ee4b
sha512
fd5b0010835f65c3aa99e41853903f1fd13fd58716f68488e1133c9d119177b3d0c58c16f0b8b2c0c9a9d1cefcf7f76d002d959a9f333ec3bb2a205da98193e4
ripemd-160
bdfd0088f6ce0101ccf2bbc2893744455e94cb54
Diameter
2843395974
Circumference
8932791903.1652
Area
6.3498661335099E+18
Volume
1.2036789199641E+28
Surface area
2.539946453404E+19
Circumference
8932791903.1652
Perimeter
5686791948
Area
2021225166239852169
Diagonal
2010584574.8139
Surface area
1.2127350997439E+19
Volume
2.8735717501169E+27
Space diagonal
2462453146.5024
Perimeter
4265093961
Area
8.7521617036607E+17
Altitude
1231226573.2512
Surface area
8.7521617036607E+17
Volume
3.3865367845563E+26
Height
670194858.27131