142751 is an odd 6-digits composite number following 142750
and preceding 142752 . In scientific notation, it is written as 1.42751 × 10^5.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 122352 positive integers (up to 142751) that are relatively prime to 142751.
142751 has 4 divisors, whose sum is 163152
The reverse of 142751 is 157241
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2
Name
one hundred forty-two thousand seven hundred fifty-one
Scientific notation
1.42751 × 10^5
Engineering notation
1.42751 × 10^3
Prime Factorization
7 × 20393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
142751
Product of the distinct prime numbers
The prime factorization of 142751 is 7 × 20393.
Since it has a total of 2 prime factors.
6 , 7 , 35 , 98 , 158 , 607 , 2125 , 9200 , 6669 , 32144 , 825033 , 71620 , 7104843 , 4170370 , 81120373 , 12101712 , 226996846 , 868455321 , 1646294861 , 5473929150
n×2
285502
n×3
428253
n×4
571004
n×5
713755
n÷2
71375.5
n÷3
47583.666666667
n÷3
35687.75
n÷5
28550.2
n2
20377848001
n3
2908958179990751
n4
4.1525668915186E+20
n5
5.9278307633117E+25
2 √n
377.82403311595
3 √n
52.262845677506
4 √n
19.437696188488
5 √n
10.737812887139
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-142750
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 142751 can be divided by 4 positive divisors.
The sum of these divisors (counting 142751) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010110110011111
3
Ternary
21020211002
4
Quaternary
202312133
5
Quinary
14032001
6
Senary
3020515
8
Octal
426637
10
Decimal
142751
12
Duodecimal
6a73b
16
Hexadecimal
22d9f
20
Vigesimal
hghb
36
Base36
325b
md5
c0092f3651ff6b96740b88fa78760c50
sha1
6a8aa4365d5d4f50dab9a06f1f8fbd0a32ecaa96
sha256
9acb69538d1498950e460f918503ccaa2ac2d1565d93c81657ddf2c6e78ff225
sha512
5d2cee1c47da96e07a45d279bbcfe1637dca234a398126f7ff1918a558ed77711717e861f2cb3a7161b9e01dd26b84bce8def7314545a55fb706017034333ab9
ripemd-160
1a7d9208a31578b520c39d200b2635a638fcab0b
Diameter
285502
Circumference
896930.98578519
Area
64018897575.911
Volume
1.2185015530479E+16
Surface area
256075590303.64
Circumference
896930.98578519
Perimeter
571004
Area
20377848001
Diagonal
201880.40024232
Surface area
122267088006
Volume
2908958179990751
Space diagonal
247251.98483126
Perimeter
428253
Area
8823867021.662
Altitude
123625.99241563
Surface area
8823867021.662
Volume
3.4282400920992E+14
Height
67293.466747441