20071251 is an odd 8-digits composite number following 20071250
and preceding 20071252 . In scientific notation, it is written as 2.0071251 × 10^7.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 13380828 positive integers (up to 20071251) that are relatively prime to 20071251.
20071251 has 4 divisors, whose sum is 22301400
The reverse of 20071251 is 15217002
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million seventy-one thousand two hundred fifty-one
Scientific notation
2.0071251 × 10^7
Engineering notation
2.0071251 × 10^6
Prime Factorization
9 × 2230139
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20071251
Product of the distinct prime numbers
The prime factorization of 20071251 is 9 × 2230139.
Since it has a total of 2 prime factors.
3 , 7 , 58 , 67 , 191 , 356 , 8682 , 8384 , 13811 , 45860 , 790273 , 641366 , 8282740 , 7690853 , 14920024 , 97608392 , 418253039 , 573154467 , 9992784356 , 1676020075
n×2
40142502
n×3
60213753
n×4
80285004
n×5
100356255
n÷2
10035625.5
n÷3
6690417
n÷3
5017812.75
n÷5
4014250.2
n2
402855116705001
n3
8.0858061640204E+21
n4
1.622922450554E+29
n5
3.2574083858604E+36
2 √n
4480.0949766718
3 √n
271.76372124526
4 √n
66.933511611687
5 √n
28.874527646163
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20071250
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20071251 can be divided by 4 positive divisors.
The sum of these divisors (counting 20071251) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100100001101010011
3
Ternary
1101202201120200
4
Quaternary
1030210031103
5
Quinary
20114240001
6
Senary
1554110243
8
Octal
114441523
10
Decimal
20071251
12
Duodecimal
687b383
16
Hexadecimal
1324353
20
Vigesimal
658i2b
36
Base36
by72r
md5
3dfd2e9d757dc0ba51b910d61f333b24
sha1
fe6d92d548bc9055ec1c2a05ff69ec1326083769
sha256
c6054ea0ce427f1509425c90e64685545c29a763e77ba9f7126d2a4fbdb4e4bc
sha512
d1840a8394875c0e96ae5343967791ff322a716948ee73208d421b1134d80236acba66e94cf5aeaca67d750e1b135934d4c1c0614dc924ffb23fcb06abedea41
ripemd-160
8c33397fc3432eb5385a61e97bfd81abafebb47b
Diameter
40142502
Circumference
126111389.37991
Area
1.2656066751015E+15
Volume
3.386974565765E+22
Surface area
5.062426700406E+15
Circumference
126111389.37991
Perimeter
80285004
Area
402855116705001
Diagonal
28385035.377995
Surface area
2417130700230006
Volume
8.0858061640204E+21
Space diagonal
34764426.503468
Perimeter
60213753
Area
1.7444138255554E+14
Altitude
17382213.251734
Surface area
1.7444138255554E+14
Volume
9.529213949898E+20
Height
9461678.4593315