142429921 is an odd 9-digits composite number following 142429920
and preceding 142429922 . In scientific notation, it is written as 1.42429921 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 139742512 positive integers (up to 142429921) that are relatively prime to 142429921.
142429921 has 4 divisors, whose sum is 145117332
The reverse of 142429921 is 129924241
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred forty-two million four hundred twenty-nine thousand nine hundred twenty-one
Scientific notation
1.42429921 × 10^8
Engineering notation
1.42429921 × 10^6
Prime Factorization
53 × 2687357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
142429921
Product of the distinct prime numbers
The prime factorization of 142429921 is 53 × 2687357.
Since it has a total of 2 prime factors.
6 , 3 , 17 , 75 , 936 , 672 , 1822 , 3671 , 57015 , 37282 , 876762 , 843122 , 7438375 , 8804561 , 24486855 , 30822128 , 717684886 , 724321964 , 9801511177 , 703043162
n×2
284859842
n×3
427289763
n×4
569719684
n×5
712149605
n÷2
71214960.5
n÷3
47476640.333333
n÷3
35607480.25
n÷5
28485984.2
n2
20286282396066241
n3
2.8893735990554E+24
n4
4.1153325345295E+32
n5
5.8614648778176E+40
2 √n
11934.40073904
3 √n
522.23632644535
4 √n
109.24468288681
5 √n
42.728755771556
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
-142429920
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 142429921 can be divided by 4 positive divisors.
The sum of these divisors (counting 142429921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000011111010100111011100001
3
Ternary
100221000012010021
4
Quaternary
20133110323201
5
Quinary
242430224141
6
Senary
22044433441
8
Octal
1037247341
10
Decimal
142429921
12
Duodecimal
3b848881
16
Hexadecimal
87d4ee1
20
Vigesimal
24a3eg1
36
Base36
2csrmp
md5
2ae9e6491729364898bb71a5c917944b
sha1
8b69518ef37e1a7bad4f70143495f1e50b1deaf3
sha256
1e335e39a094103fdeb3691682a36785172d24afb1e178f9bf0015f06fee7d16
sha512
4a3bfe54379555921427521bae303cc16833dc196dae7899c1b1a685225ffada7540a4d8d34a18635fe296360597ee83018256b647fe96980bcb02bd14defacd
ripemd-160
6cd7cb6189ff3406c289e4e83344b839f3397e32
Diameter
284859842
Circumference
894913586.92995
Area
6.373123574413E+16
Volume
1.2102979829692E+25
Surface area
2.5492494297652E+17
Circumference
894913586.92995
Perimeter
569719684
Area
20286282396066241
Diagonal
201426325.96593
Surface area
121717694376397446
Volume
2.8893735990554E+24
Space diagonal
246695859.69002
Perimeter
427289763
Area
8.7842179516692E+15
Altitude
123347929.84501
Surface area
8.7842179516692E+15
Volume
3.4051594421224E+23
Height
67142108.65531