142720 is an even 6-digits composite number following 142719
and preceding 142721 . In scientific notation, it is written as 1.42720 × 10^5.
The sum of its digits is 16. It has a total of 9 prime factors and 32 positive divisors.
There are 56832 positive integers (up to 142720) that are relatively prime to 142720.
142720 has 32 divisors, whose sum is 342720
The reverse of 142720 is 027241
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 16
Digital Root 7
Name
one hundred forty-two thousand seven hundred twenty
Scientific notation
1.42720 × 10^5
Engineering notation
1.42720 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
2230
Product of the distinct prime numbers
The prime factorization of 142720 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 223.
Since it has a total of 9 prime factors.
9 , 7 , 81 , 90 , 852 , 981 , 2212 , 3620 , 5505 , 27821 , 975521 , 859136 , 7838063 , 4752800 , 1446392 , 58127370 , 858319337 , 793307442 , 6634497700 , 308565868
n×2
285440
n×3
428160
n×4
570880
n×5
713600
n÷2
71360
n÷3
47573.333333333
n÷3
35680
n÷5
28544
n2
20368998400
n3
2907063451648000
n4
4.148960958192E+20
n5
5.9213970795317E+25
2 √n
377.78300649976
3 √n
52.259062246898
4 √n
19.436640823449
5 √n
10.737346479033
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 64 , 80 , 128 , 160 , 223 , 320 , 446 , 640 , 892 , 1115 , 1784 , 2230 , 3568 , 4460 , 7136 , 8920 , 14272 , 17840 , 28544 , 35680 , 71360 , 142720
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-142719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 142720 can be divided by 32 positive divisors.
The sum of these divisors (counting 142720) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010110110000000
3
Ternary
21020202221
4
Quaternary
202312000
5
Quinary
14031340
6
Senary
3020424
8
Octal
426600
10
Decimal
142720
12
Duodecimal
6a714
16
Hexadecimal
22d80
20
Vigesimal
hgg0
36
Base36
324g
md5
ccf7e7b351755b4cab9c8fe474841912
sha1
46aa2582179b3acbe877e9efe0d924a31695895c
sha256
dbc550fa333159e429c0a99dc50afe06d53e23abe4911c74a2bddc7c41ea4a39
sha512
3ee099ad61e9654992cd00817f32563775bf3a320e31eeb31197fbba7d1641563d4d49f1b7952ca03f6388a2bc3d6da697a09e7fbd68701dd06697f532410e92
ripemd-160
5468da9e7d6b29a6857d297177bfdecce97f5594
Diameter
285440
Circumference
896736.20704067
Area
63991095734.422
Volume
1.2177078910956E+16
Surface area
255964382937.69
Circumference
896736.20704067
Perimeter
570880
Area
20368998400
Diagonal
201836.55962189
Surface area
122213990400
Volume
2907063451648000
Space diagonal
247198.29125623
Perimeter
428160
Area
8820035032.0223
Altitude
123599.14562812
Surface area
8820035032.0223
Volume
3.4260071333331E+14
Height
67278.853207296