142912385 is an odd 9-digits composite number following 142912384
and preceding 142912386 . In scientific notation, it is written as 1.42912385 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 88704000 positive integers (up to 142912385) that are relatively prime to 142912385.
142912385 has 16 divisors, whose sum is 167016192
The reverse of 142912385 is 583219241
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred forty-two million nine hundred twelve thousand three hundred eighty-five
Scientific notation
1.42912385 × 10^8
Engineering notation
1.42912385 × 10^6
Prime Factorization
55 × 7 × 281 × 1321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
142912385
Product of the distinct prime numbers
The prime factorization of 142912385 is 55 × 7 × 281 × 1321.
Since it has a total of 4 prime factors.
10 , 3 , 98 , 2 , 237 , 355 , 9669 , 2410 , 41173 , 30926 , 326317 , 773358 , 2395254 , 8620936 , 34401265 , 69682771 , 821918541 , 479448324 , 2599442349 , 6928194309
n×2
285824770
n×3
428737155
n×4
571649540
n×5
714561925
n÷2
71456192.5
n÷3
47637461.666667
n÷3
35728096.25
n÷5
28582477
n2
20423949786388225
n3
2.918835375093E+24
n4
4.1713772487691E+32
n5
5.9614147135633E+40
2 √n
11954.596814615
3 √n
522.82533252066
4 √n
109.33707886447
5 √n
42.757664318973
1 , 7 , 55 , 281 , 385 , 1321 , 1967 , 9247 , 15455 , 72655 , 108185 , 371201 , 508585 , 2598407 , 20416055 , 142912385
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
-142912384
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 142912385 can be divided by 16 positive divisors.
The sum of these divisors (counting 142912385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000100001001010101110000001
3
Ternary
100221220200221022
4
Quaternary
20201022232001
5
Quinary
243041144020
6
Senary
22103035225
8
Octal
1041125601
10
Decimal
142912385
12
Duodecimal
3ba3bb15
16
Hexadecimal
884ab81
20
Vigesimal
24d40j5
36
Base36
2d33wh
md5
9c740dfd79a9820bfce3be084588f939
sha1
524c862d64cf6d454a16ea3f07a92a366ee3fedd
sha256
6e699ae25743650cd0a8769405f1200994d97380a6904a37a5af8d2c6d86c437
sha512
6ee6b518f05fd199f5c893b0bc77d09b38344415cacd93028d033e28c522abe9a69fd5f4f4182e6bf0977b9047be71fd85802e924d437626a70c6b6614ece280
ripemd-160
117ef5030730f6839912eae5e857095e874ad742
Diameter
285824770
Circumference
897944997.64599
Area
6.4163730606204E+16
Volume
1.2226389028573E+25
Surface area
2.5665492242482E+17
Circumference
897944997.64599
Perimeter
571649540
Area
20423949786388225
Diagonal
202108633.09809
Surface area
122543698718329350
Volume
2.918835375093E+24
Space diagonal
247531511.85084
Perimeter
428737155
Area
8.843829680315E+15
Altitude
123765755.92542
Surface area
8.843829680315E+15
Volume
3.439880478159E+23
Height
67369544.366028