142743991 is an odd 9-digits composite number following 142743990
and preceding 142743992 . In scientific notation, it is written as 1.42743991 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 131763528 positive integers (up to 142743991) that are relatively prime to 142743991.
142743991 has 6 divisors, whose sum is 154569120
The reverse of 142743991 is 199347241
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred forty-two million seven hundred forty-three thousand nine hundred ninety-one
Scientific notation
1.42743991 × 10^8
Engineering notation
1.42743991 × 10^6
Prime Factorization
13 × 13 × 844639
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10980307
Product of the distinct prime numbers
The prime factorization of 142743991 is 13 × 13 × 844639.
Since it has a total of 3 prime factors.
9 , 4 , 9 , 20 , 708 , 750 , 1197 , 7248 , 2177 , 60511 , 601965 , 137557 , 909848 , 4153867 , 36884345 , 31966820 , 79975724 , 445947117 , 2250097992 , 1201826455
n×2
285487982
n×3
428231973
n×4
570975964
n×5
713719955
n÷2
71371995.5
n÷3
47581330.333333
n÷3
35685997.75
n÷5
28548798.2
n2
20375846966608081
n3
2.9085297160189E+24
n4
4.1517513960663E+32
n5
5.9263756391433E+40
2 √n
11947.551673879
3 √n
522.61990303975
4 √n
109.30485658871
5 √n
42.747583275121
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-142743990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 142743991 can be divided by 6 positive divisors.
The sum of these divisors (counting 142743991) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1000100000100001100110110111
3
Ternary
100221121010221111
4
Quaternary
20200201212313
5
Quinary
243020301431
6
Senary
22055255451
8
Octal
1040414667
10
Decimal
142743991
12
Duodecimal
3b97a587
16
Hexadecimal
88219b7
20
Vigesimal
24c2jjb
36
Base36
2czhyv
md5
e1d26628f30a90b60972b845a19b31b0
sha1
b36d13bf78d1deb3d78b48fbe4bce1bbc4dcf6f2
sha256
53c86d44dbdb66299f20f46c6bef73e77b7564a47eed79d719170407291b95fb
sha512
73c5c11dbe132516fa786bf2e4f7e1d13836941ebd55d9af87cb6f891f382fbfa95b9cf005dbe9331dffa90ad3ffc00963b71870de8484ed5e5eb5aa771c8907
ripemd-160
b90e0ac7c665025d3d19007669ec45f2c4226428
Diameter
285487982
Circumference
896886946.93938
Area
6.4012611140966E+16
Volume
1.218322078479E+25
Surface area
2.5605044456386E+17
Circumference
896886946.93938
Perimeter
570975964
Area
20375846966608081
Diagonal
201870488.01946
Surface area
122255081799648486
Volume
2.9085297160189E+24
Space diagonal
247239844.88715
Perimeter
428231973
Area
8.8230005483533E+15
Altitude
123619922.44358
Surface area
8.8230005483533E+15
Volume
3.4277351424659E+23
Height
67290162.673154