20071287 is an odd 8-digits composite number following 20071286
and preceding 20071288 . In scientific notation, it is written as 2.0071287 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 13300416 positive integers (up to 20071287) that are relatively prime to 20071287.
20071287 has 16 divisors, whose sum is 29914080
The reverse of 20071287 is 78217002
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seventy-one thousand two hundred eighty-seven
Scientific notation
2.0071287 × 10^7
Engineering notation
2.0071287 × 10^6
Prime Factorization
3 × 9 × 173 × 4297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20071287
Product of the distinct prime numbers
The prime factorization of 20071287 is 3 × 9 × 173 × 4297.
Since it has a total of 4 prime factors.
9 , 7 , 74 , 50 , 151 , 505 , 1211 , 5440 , 61429 , 20240 , 684017 , 502614 , 7718099 , 7781901 , 29734142 , 37195867 , 539106109 , 568389598 , 8270198629 , 9117781012
n×2
40142574
n×3
60213861
n×4
80285148
n×5
100356435
n÷2
10035643.5
n÷3
6690429
n÷3
5017821.75
n÷5
4014257.4
n2
402856561836369
n3
8.085849672451E+21
n4
1.6229340941462E+29
n5
3.2574375985693E+36
2 √n
4480.098994442
3 √n
271.76388372456
4 √n
66.933541624823
5 √n
28.874538004085
1 , 3 , 9 , 27 , 173 , 519 , 1557 , 4297 , 4671 , 12891 , 38673 , 116019 , 743381 , 2230143 , 6690429 , 20071287
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
-20071286
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 20071287 can be divided by 16 positive divisors.
The sum of these divisors (counting 20071287) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100100001101110111
3
Ternary
1101202201122000
4
Quaternary
1030210031313
5
Quinary
20114240122
6
Senary
1554110343
8
Octal
114441567
10
Decimal
20071287
12
Duodecimal
687b3b3
16
Hexadecimal
1324377
20
Vigesimal
658i47
36
Base36
by73r
md5
cfb0a02ff61b2347783d21b66015b02f
sha1
a901659bdcf6cdb2506b74907247c01bb0a53afe
sha256
30b096a283a9836ebb6bd345e827623578b5a96028ee9bf5533264edb92cd2e8
sha512
f9707803a91cc290706d36e5252a28860713d917c05ce65cce3f45e9bd19cfb6ccf92661a3e44ee9e7895aa8303ec5bbaccb74cd3d41042cd40dc1915ef28f22
ripemd-160
a0a3d0bfb17e031d15bd63ba94c518a773f94bcd
Diameter
40142574
Circumference
126111615.57458
Area
1.2656112151156E+15
Volume
3.3869927905338E+22
Surface area
5.0624448604623E+15
Circumference
126111615.57458
Perimeter
80285148
Area
402856561836369
Diagonal
28385086.289683
Surface area
2417139371018214
Volume
8.085849672451E+21
Space diagonal
34764488.857297
Perimeter
60213861
Area
1.7444200831578E+14
Altitude
17382244.428648
Surface area
1.7444200831578E+14
Volume
9.5292652250752E+20
Height
9461695.4298943