142091281 is an odd 9-digits composite number following 142091280
and preceding 142091282 . In scientific notation, it is written as 1.42091281 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 137275680 positive integers (up to 142091281) that are relatively prime to 142091281.
142091281 has 8 divisors, whose sum is 146974464
The reverse of 142091281 is 182190241
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred forty-two million ninety-one thousand two hundred eighty-one
Scientific notation
1.42091281 × 10^8
Engineering notation
1.42091281 × 10^6
Prime Factorization
41 × 103 × 33647
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
142091281
Product of the distinct prime numbers
The prime factorization of 142091281 is 41 × 103 × 33647.
Since it has a total of 3 prime factors.
5 , 8 , 92 , 74 , 567 , 115 , 8473 , 5411 , 15785 , 77069 , 68393 , 92339 , 5521541 , 9196329 , 61022648 , 36998093 , 332932966 , 957715480 , 1838607208 , 924653613
n×2
284182562
n×3
426273843
n×4
568365124
n×5
710456405
n÷2
71045640.5
n÷3
47363760.333333
n÷3
35522820.25
n÷5
28418256.2
n2
20189932136220961
n3
2.8688133205387E+24
n4
4.0763335966521E+32
n5
5.7921146253163E+40
2 √n
11920.204738175
3 √n
521.82210998295
4 √n
109.17969013592
5 √n
42.708418125377
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
-142091280
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 142091281 can be divided by 8 positive divisors.
The sum of these divisors (counting 142091281) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000011110000010010000010001
3
Ternary
100220100222121001
4
Quaternary
20132002100101
5
Quinary
242333410111
6
Senary
22033302001
8
Octal
1036022021
10
Decimal
142091281
12
Duodecimal
3b704901
16
Hexadecimal
8782411
20
Vigesimal
2481841
36
Base36
2clic1
md5
a2db2f043cfab1aa862ce1e3de339fd8
sha1
0c6efcf86b01d97c1dce6c064e3c71065f6e234b
sha256
c6ce77c57bda275690a6eacaa61a4c08de3b9722593b2ec02afbda936592b697
sha512
aae3a2fc660de6df44f7a21a1e924a640e2097426d13a17c1070269fa2ccdd0981efa5399254ca4146af383651d005b7d1fdbe52bd2e0750b28b3777f01d1ef6
ripemd-160
f1b912f8fe8963f5e1ddbe26fee91c6561240921
Diameter
284182562
Circumference
892785849.05753
Area
6.3428542475628E+16
Volume
1.2016857136433E+25
Surface area
2.5371416990251E+17
Circumference
892785849.05753
Perimeter
568365124
Area
20189932136220961
Diagonal
200947416.68517
Surface area
121139592817325766
Volume
2.8688133205387E+24
Space diagonal
246109318.00455
Perimeter
426273843
Area
8.7424970653256E+15
Altitude
123054659.00227
Surface area
8.7424970653256E+15
Volume
3.3809289215187E+23
Height
66982472.228389