20120640 is an even 8-digits composite number following 20120639
and preceding 20120641 . In scientific notation, it is written as 2.0120640 × 10^7.
The sum of its digits is 15. It has a total of 8 prime factors and 28 positive divisors.
There are 5365248 positive integers (up to 20120640) that are relatively prime to 20120640.
20120640 has 28 divisors, whose sum is 42590720
The reverse of 20120640 is 04602102
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one hundred twenty thousand six hundred forty
Scientific notation
2.0120640 × 10^7
Engineering notation
2.0120640 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 15 × 20959
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
628770
Product of the distinct prime numbers
The prime factorization of 20120640 is 2 × 2 × 2 × 2 × 2 × 2 × 15 × 20959.
Since it has a total of 8 prime factors.
4 , 5 , 19 , 69 , 757 , 897 , 8135 , 3179 , 71646 , 99502 , 933553 , 477404 , 5884153 , 2550522 , 4632935 , 78856413 , 378598762 , 563578701 , 7328798477 , 7112195615
n×2
40241280
n×3
60361920
n×4
80482560
n×5
100603200
n÷2
10060320
n÷3
6706880
n÷3
5030160
n÷5
4024128
n2
404840154009600
n3
8.1456429963717E+21
n4
1.6389555029852E+29
n5
3.2976833651583E+36
2 √n
4485.6036383078
3 √n
271.98644684487
4 √n
66.974649221237
5 √n
28.888723895894
1 , 2 , 4 , 8 , 15 , 16 , 30 , 32 , 60 , 64 , 120 , 240 , 480 , 960 , 20959 , 41918 , 83836 , 167672 , 314385 , 335344 , 628770 , 670688 , 1257540 , 1341376 , 2515080 , 5030160 , 10060320 , 20120640
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20120639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20120640 can be divided by 28 positive divisors.
The sum of these divisors (counting 20120640) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001100110000010001000000
3
Ternary
1101212020022220
4
Quaternary
1030300101000
5
Quinary
20122330030
6
Senary
1555131040
8
Octal
114602100
10
Decimal
20120640
12
Duodecimal
68a3a80
16
Hexadecimal
1330440
20
Vigesimal
65f1c0
36
Base36
bz96o
md5
dedf19b5a55a70c0363e74ff1109829a
sha1
bc77d3139ecd5829e7bfe9197bbebe8d64e9d192
sha256
85cbca3634b810e8fdf8335c213c505fb213805429eb964b817bda8e3db29621
sha512
7dfb2651f7aee62be087788947c73c2726dd6368fba7eeeb49aae0fb723a039b54212fe206b92e0ef967e198839a66ef0c70dbbb58f1658acc3a13364e2bc4db
ripemd-160
349ded1bc1fe1967d5de6b77f66371a499d2a57d
Diameter
40241280
Circumference
126421709.61905
Area
1.2718428537147E+15
Volume
3.4120389594889E+22
Surface area
5.0873714148589E+15
Circumference
126421709.61905
Perimeter
80482560
Area
404840154009600
Diagonal
28454881.971627
Surface area
2429040924057600
Volume
8.1456429963717E+21
Space diagonal
34849970.760803
Perimeter
60361920
Area
1.7530092892216E+14
Altitude
17424985.380401
Surface area
1.7530092892216E+14
Volume
9.5997323330986E+20
Height
9484960.6572089