172920 is an even 6-digits composite number following 172919
and preceding 172921 . In scientific notation, it is written as 1.72920 × 10^5.
The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors.
There are 41600 positive integers (up to 172920) that are relatively prime to 172920.
172920 has 32 divisors, whose sum is 380160
The reverse of 172920 is 029271
Previous prime number is 11
Is Prime? no
Number parity even
Number length 6
Sum of Digits 21
Digital Root 3
Name
one hundred seventy-two thousand nine hundred twenty
Scientific notation
1.72920 × 10^5
Engineering notation
1.72920 × 10^3
Prime Factorization
2 × 2 × 2 × 15 × 11 × 131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
43230
Product of the distinct prime numbers
The prime factorization of 172920 is 2 × 2 × 2 × 15 × 11 × 131.
Since it has a total of 6 prime factors.
6 , 10 , 85 , 6 , 952 , 976 , 5814 , 6707 , 2211 , 81602 , 465741 , 501156 , 2360916 , 2014550 , 80153931 , 10495429 , 123891714 , 384152252 , 146824054 , 3978951961
n×2
345840
n×3
518760
n×4
691680
n×5
864600
n÷2
86460
n÷3
57640
n÷3
43230
n÷5
34584
n2
29901326400
n3
5170537361088000
n4
8.9408932047934E+20
n5
1.5460592529729E+26
2 √n
415.83650633392
3 √n
55.711956322259
4 √n
20.392069692258
5 √n
11.157555232384
1 , 2 , 4 , 8 , 11 , 15 , 22 , 30 , 44 , 60 , 88 , 120 , 131 , 165 , 262 , 330 , 524 , 660 , 1048 , 1320 , 1441 , 1965 , 2882 , 3930 , 5764 , 7860 , 11528 , 15720 , 21615 , 43230 , 86460 , 172920
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
-172919
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 172920 can be divided by 32 positive divisors.
The sum of these divisors (counting 172920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101010001101111000
3
Ternary
22210012110
4
Quaternary
222031320
5
Quinary
21013140
6
Senary
3412320
8
Octal
521570
10
Decimal
172920
12
Duodecimal
840a0
16
Hexadecimal
2a378
20
Vigesimal
11c60
36
Base36
3pfc
md5
2c187ad6fcf7e36814b8f4f362147ba6
sha1
a75373cfe0bbf4fdefd2a1b9a3fc799fdeab9ae6
sha256
d5118e82fb7430cfafbddf829bb26e34b7a63ba40684d5898dabce5f47455e61
sha512
061dbb7f25e3382eaf9be107bfc9532edff62e983ceca5ba0585bf8c6a30d0c5be3922bab7013f4a7dd4bfc0fe49efa7cba74923efa8305ae148534d7970cb9f
ripemd-160
ab1ddc52873d1ffa25260f94c0b6e5ae22268db8
Diameter
345840
Circumference
1086488.4033175
Area
93937787350.831
Volume
2.1658296251607E+16
Surface area
375751149403.32
Circumference
1086488.4033175
Perimeter
691680
Area
29901326400
Diagonal
244545.80920556
Surface area
179407958400
Volume
5170537361088000
Space diagonal
299506.22564481
Perimeter
518760
Area
12947654134.625
Altitude
149753.11282241
Surface area
12947654134.625
Volume
6.0935367173395E+14
Height
81515.269735185