20071245 is an odd 8-digits composite number following 20071244
and preceding 20071246 . In scientific notation, it is written as 2.0071245 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 10682880 positive integers (up to 20071245) that are relatively prime to 20071245.
20071245 has 16 divisors, whose sum is 32179392
The reverse of 20071245 is 54217002
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million seventy-one thousand two hundred forty-five
Scientific notation
2.0071245 × 10^7
Engineering notation
2.0071245 × 10^6
Prime Factorization
3 × 5 × 643 × 2081
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20071245
Product of the distinct prime numbers
The prime factorization of 20071245 is 3 × 5 × 643 × 2081.
Since it has a total of 4 prime factors.
8 , 8 , 10 , 20 , 363 , 451 , 2784 , 7010 , 7982 , 65454 , 379358 , 313337 , 2928421 , 1082343 , 76208907 , 8695185 , 397143936 , 28123904 , 3030081346 , 356137176
n×2
40142490
n×3
60213735
n×4
80284980
n×5
100356225
n÷2
10035622.5
n÷3
6690415
n÷3
5017811.25
n÷5
4014249
n2
402854875850025
n3
8.0857989126304E+21
n4
1.6229205099614E+29
n5
3.257403517096E+36
2 √n
4480.0943070431
3 √n
271.76369416536
4 √n
66.933506609493
5 √n
28.874525919841
1 , 3 , 5 , 15 , 643 , 1929 , 2081 , 3215 , 6243 , 9645 , 10405 , 31215 , 1338083 , 4014249 , 6690415 , 20071245
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
-20071244
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 20071245 can be divided by 16 positive divisors.
The sum of these divisors (counting 20071245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100100001101001101
3
Ternary
1101202201120110
4
Quaternary
1030210031031
5
Quinary
20114234440
6
Senary
1554110233
8
Octal
114441515
10
Decimal
20071245
12
Duodecimal
687b379
16
Hexadecimal
132434d
20
Vigesimal
658i25
36
Base36
by72l
md5
9c84736c7cf60f0e8d8cbd6ab31ff089
sha1
dfbe43fe8dd86787da3e1e9a44e3e223285bd6fe
sha256
1e576f4abe559bea0deabc1870f33b7cf03472920115adc902a9eb74cc930613
sha512
73591fad1e5e31f432445016c77006fc7ba0f8384963d3c6ba8a4b32dd3303c389fbc0b0255186c3f16566f47bfa495cb944e19136e9af6aab4fb82f3c4aecae
ripemd-160
fc768e0e3f2c4d93f3d58a2e37c81fb5e21379c5
Diameter
40142490
Circumference
126111351.6808
Area
1.2656059184333E+15
Volume
3.3869715283099E+22
Surface area
5.0624236737331E+15
Circumference
126111351.6808
Perimeter
80284980
Area
402854875850025
Diagonal
28385026.892713
Surface area
2417129255100150
Volume
8.0857989126304E+21
Space diagonal
34764416.111163
Perimeter
60213735
Area
1.7444127826227E+14
Altitude
17382208.055581
Surface area
1.7444127826227E+14
Volume
9.529205404053E+20
Height
9461675.6309044