142492021 is an odd 9-digits composite number following 142492020
and preceding 142492022 . In scientific notation, it is written as 1.42492021 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 120065568 positive integers (up to 142492021) that are relatively prime to 142492021.
142492021 has 8 divisors, whose sum is 165608640
The reverse of 142492021 is 120294241
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred forty-two million four hundred ninety-two thousand twenty-one
Scientific notation
1.42492021 × 10^8
Engineering notation
1.42492021 × 10^6
Prime Factorization
7 × 59 × 345017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
142492021
Product of the distinct prime numbers
The prime factorization of 142492021 is 7 × 59 × 345017.
Since it has a total of 3 prime factors.
1 , 2 , 2 , 54 , 10 , 481 , 4089 , 9189 , 58927 , 81631 , 561045 , 88178 , 4847881 , 823202 , 85007414 , 17848763 , 255837950 , 808979800 , 3868385809 , 4086903274
n×2
284984042
n×3
427476063
n×4
569968084
n×5
712460105
n÷2
71246010.5
n÷3
47497340.333333
n÷3
35623005.25
n÷5
28498404.2
n2
20303976048664441
n3
2.8931545815098E+24
n4
4.1225144338474E+32
n5
5.8742541328059E+40
2 √n
11937.002178102
3 √n
522.31221444102
4 √n
109.25658871712
5 √n
42.732481102679
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-142492020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 142492021 can be divided by 8 positive divisors.
The sum of these divisors (counting 142492021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000011111100100000101110101
3
Ternary
100221010100022021
4
Quaternary
20133210011311
5
Quinary
242434221041
6
Senary
22050033141
8
Octal
1037440565
10
Decimal
142492021
12
Duodecimal
3b8787b1
16
Hexadecimal
87e4175
20
Vigesimal
24aba11
36
Base36
2cu3jp
md5
b86f1a079495401163598eaa71720d95
sha1
374e9938f7dac8b539e85d107bc788c914dd535f
sha256
9581ac0ee2539b3e77e32bc7b3cd48c17cd8226928315532278ace26be90c3ba
sha512
d22f272157e1c5f476184726b67bc64094359636e66884a9cca091d8692ef38f13068a6aa3552be52d8011337d5762fe276876771f6197d166e8929411b6e5cc
ripemd-160
280da7d5ffb1914a04fb9be0e42bf368f6915020
Diameter
284984042
Circumference
895303772.73753
Area
6.3786821993147E+16
Volume
1.2118817571961E+25
Surface area
2.5514728797259E+17
Circumference
895303772.73753
Perimeter
569968084
Area
20303976048664441
Diagonal
201514148.62815
Surface area
121823856291986646
Volume
2.8931545815098E+24
Space diagonal
246803420.04517
Perimeter
427476063
Area
8.7918795279871E+15
Altitude
123401710.02259
Surface area
8.7918795279871E+15
Volume
3.4096153726775E+23
Height
67171382.876051