20957730 is an even 8-digits composite number following 20957729
and preceding 20957731 . In scientific notation, it is written as 2.0957730 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 5588720 positive integers (up to 20957730) that are relatively prime to 20957730.
20957730 has 8 divisors, whose sum is 33532416
The reverse of 20957730 is 03775902
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred fifty-seven thousand seven hundred thirty
Scientific notation
2.0957730 × 10^7
Engineering notation
2.0957730 × 10^6
Prime Factorization
2 × 15 × 698591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20957730
Product of the distinct prime numbers
The prime factorization of 20957730 is 2 × 15 × 698591.
Since it has a total of 3 prime factors.
1 , 3 , 9 , 23 , 617 , 838 , 555 , 3395 , 13132 , 93818 , 90682 , 865920 , 7178820 , 4708589 , 23695842 , 61066925 , 974822347 , 831307290 , 6770004573 , 1233031299
n×2
41915460
n×3
62873190
n×4
83830920
n×5
104788650
n÷2
10478865
n÷3
6985910
n÷3
5239432.5
n÷5
4191546
n2
439226446752900
n3
9.2051892799067E+21
n4
1.9291987152718E+29
n5
4.0431625791013E+36
2 √n
4577.961336665
3 √n
275.70718262409
4 √n
67.660633581611
5 √n
29.125195432878
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20957729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20957730 can be divided by 8 positive divisors.
The sum of these divisors (counting 20957730) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111111100101000100010
3
Ternary
1110102202121020
4
Quaternary
1033330220202
5
Quinary
20331121410
6
Senary
2025110310
8
Octal
117745042
10
Decimal
20957730
12
Duodecimal
7028396
16
Hexadecimal
13fca22
20
Vigesimal
6aje6a
36
Base36
ch736
md5
e08a6f534976050069b55d74d8c40e07
sha1
2084d1a04445f0e6c15c3756ed08ee14d9f7cda9
sha256
cd532b68cd60a4ccc858bf78826d0110d9f7b2434e6f71a5bb218e14fbb0b97e
sha512
95e1bafed9b3785941c111d1cfbd41c53cabb07c3dddacb00cde551a295e84f3e6d22083f4d3901acc08aecced06463f8261fba7bfdaebcfafc97857706fa762
ripemd-160
4539149bce78e6163704975f43edf4cdc53faae3
Diameter
41915460
Circumference
131681301.20784
Area
1.3798705783813E+15
Volume
3.8558606688878E+22
Surface area
5.519482313525E+15
Circumference
131681301.20784
Perimeter
83830920
Area
439226446752900
Diagonal
29638706.002553
Surface area
2635358680517400
Volume
9.2051892799067E+21
Space diagonal
36299853.17131
Perimeter
62873190
Area
1.9019063045099E+14
Altitude
18149926.585655
Surface area
1.9019063045099E+14
Volume
1.0848419603213E+21
Height
9879568.6675178