20157210 is an even 8-digits composite number following 20157209
and preceding 20157211 . In scientific notation, it is written as 2.0157210 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 5375232 positive integers (up to 20157210) that are relatively prime to 20157210.
20157210 has 16 divisors, whose sum is 40314600
The reverse of 20157210 is 01275102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred fifty-seven thousand two hundred ten
Scientific notation
2.0157210 × 10^7
Engineering notation
2.0157210 × 10^6
Prime Factorization
2 × 9 × 5 × 223969
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20157210
Product of the distinct prime numbers
The prime factorization of 20157210 is 2 × 9 × 5 × 223969.
Since it has a total of 4 prime factors.
2 , 5 , 27 , 84 , 957 , 534 , 4779 , 154 , 96772 , 80642 , 765283 , 751524 , 4648453 , 9312381 , 29901645 , 96979227 , 719115259 , 702762291 , 6362175864 , 839063125
n×2
40314420
n×3
60471630
n×4
80628840
n×5
100786050
n÷2
10078605
n÷3
6719070
n÷3
5039302.5
n÷5
4031442
n2
406313114984100
n3
8.1901387844887E+21
n4
1.6509034740808E+29
n5
3.3277608016777E+36
2 √n
4489.6781621849
3 √n
272.15112888893
4 √n
67.005060720702
5 √n
28.899217532349
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 223969 , 447938 , 1119845 , 2015721 , 2239690 , 4031442 , 10078605 , 20157210
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157209
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157210 can be divided by 16 positive divisors.
The sum of these divisors (counting 20157210) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111001001100011010
3
Ternary
1101221002111100
4
Quaternary
1030321030122
5
Quinary
20130012320
6
Senary
2000012230
8
Octal
114711432
10
Decimal
20157210
12
Duodecimal
6901076
16
Hexadecimal
133931a
20
Vigesimal
65jd0a
36
Base36
c01ei
md5
f9d5f7350641b74c9ea0af5deb5d95db
sha1
ef4855ea7307cfa5dd7b754662f8fefdb86a5e60
sha256
694b3aa453a724f74d150fc4cb57c8f0157a6be8fe2a3ae6bf55dda96ba1e7b5
sha512
d03d1a810f3d122fb26e2f83adf28f6ba88db867c70589c2894199a24baf0d5f3bb5a5e71a0c8d013b0e79dad8a0a27a108076508e94a32c5c8bb615716bb57d
ripemd-160
4b1ec9482b31c73f970b52741d4316dafda369dc
Diameter
40314420
Circumference
126651485.70573
Area
1.2764702970912E+15
Volume
3.4306773116307E+22
Surface area
5.1058811883649E+15
Circumference
126651485.70573
Perimeter
80628840
Area
406313114984100
Diagonal
28506599.761603
Surface area
2437878689904600
Volume
8.1901387844887E+21
Space diagonal
34913311.858835
Perimeter
60471630
Area
1.7593873973351E+14
Altitude
17456655.929418
Surface area
1.7593873973351E+14
Volume
9.6521711222848E+20
Height
9502199.9205342