142638861 is an odd 9-digits composite number following 142638860
and preceding 142638862 . In scientific notation, it is written as 1.42638861 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 93469824 positive integers (up to 142638861) that are relatively prime to 142638861.
142638861 has 16 divisors, whose sum is 193449024
The reverse of 142638861 is 168836241
Previous prime number is 1877
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred forty-two million six hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
1.42638861 × 10^8
Engineering notation
1.42638861 × 10^6
Prime Factorization
3 × 73 × 1877 × 347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
142638861
Product of the distinct prime numbers
The prime factorization of 142638861 is 3 × 73 × 1877 × 347.
Since it has a total of 4 prime factors.
7 , 3 , 87 , 42 , 103 , 472 , 4429 , 8947 , 83991 , 23487 , 792694 , 700071 , 6698369 , 7686669 , 8044857 , 59851719 , 500544682 , 674382829 , 6812593482 , 9242283405
n×2
285277722
n×3
427916583
n×4
570555444
n×5
713194305
n÷2
71319430.5
n÷3
47546287
n÷3
35659715.25
n÷5
28527772.2
n2
20345844667377321
n3
2.9021081094376E+24
n4
4.1395339522905E+32
n5
5.9045840802554E+40
2 √n
11943.15121733
3 √n
522.49156950142
4 √n
109.28472545296
5 √n
42.741284757167
1 , 3 , 73 , 219 , 347 , 1041 , 1877 , 5631 , 25331 , 75993 , 137021 , 411063 , 651319 , 1953957 , 47546287 , 142638861
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
-142638860
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 142638861 can be divided by 16 positive divisors.
The sum of these divisors (counting 142638861) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000100000000111111100001101
3
Ternary
100221101210201210
4
Quaternary
20200013330031
5
Quinary
243003420421
6
Senary
22053125033
8
Octal
1040077415
10
Decimal
142638861
12
Duodecimal
3b929779
16
Hexadecimal
8807f0d
20
Vigesimal
24b9h31
36
Base36
2cx8ul
md5
016d9dc6796d2968222738c86cee930e
sha1
81f823f0d8c843874be2c70c59060f6e65a2798b
sha256
31de24cebdd121b0b63dfc39567a69c3365991c375657eb0fcfca8bc076b7770
sha512
f5b01daac266fed7c8d0a5eed9543fd77a4461e727f25247f29506bc402a12b960964dbe47a5610de55155cb08071a37f2d3cf8308e7b89856939794897b0cd3
ripemd-160
86b5a457068b34c326915ad1cf61690be97cda85
Diameter
285277722
Circumference
896226395.66803
Area
6.3918356138112E+16
Volume
1.2156322022043E+25
Surface area
2.5567342455245E+17
Circumference
896226395.66803
Perimeter
570555444
Area
20345844667377321
Diagonal
201721811.74765
Surface area
122075068004263926
Volume
2.9021081094376E+24
Space diagonal
247057754.38575
Perimeter
427916583
Area
8.8100091717005E+15
Altitude
123528877.19288
Surface area
8.8100091717005E+15
Volume
3.420167206533E+23
Height
67240603.915884