20402740 is an even 8-digits composite number following 20402739
and preceding 20402741 . In scientific notation, it is written as 2.0402740 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 8161088 positive integers (up to 20402740) that are relatively prime to 20402740.
20402740 has 12 divisors, whose sum is 42845796
The reverse of 20402740 is 04720402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million four hundred two thousand seven hundred forty
Scientific notation
2.0402740 × 10^7
Engineering notation
2.0402740 × 10^6
Prime Factorization
2 × 2 × 5 × 1020137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10201370
Product of the distinct prime numbers
The prime factorization of 20402740 is 2 × 2 × 5 × 1020137.
Since it has a total of 4 prime factors.
9 , 8 , 30 , 67 , 816 , 553 , 1039 , 6485 , 45284 , 74781 , 36472 , 728092 , 5771390 , 5739035 , 46933429 , 11323074 , 785710129 , 648862016 , 5334925396 , 7675326595
n×2
40805480
n×3
61208220
n×4
81610960
n×5
102013700
n÷2
10201370
n÷3
6800913.3333333
n÷3
5100685
n÷5
4080548
n2
416271799507600
n3
8.4930852946857E+21
n4
1.732822110653E+29
n5
3.5354318989903E+36
2 √n
4516.9392291684
3 √n
273.25167433091
4 √n
67.208178290803
5 √n
28.969279841487
1 , 2 , 4 , 5 , 10 , 20 , 1020137 , 2040274 , 4080548 , 5100685 , 10201370 , 20402740
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20402739
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402740 can be divided by 12 positive divisors.
The sum of these divisors (counting 20402740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110101001000110100
3
Ternary
1102101120022001
4
Quaternary
1031311020310
5
Quinary
20210341430
6
Senary
2005145044
8
Octal
115651064
10
Decimal
20402740
12
Duodecimal
69bb184
16
Hexadecimal
1375234
20
Vigesimal
67a6h0
36
Base36
c5aus
md5
7bbacb58d304dc4c7b6bea386435c459
sha1
85cb9c8977a4ac5f328d4c1126d099721dc6390c
sha256
7d6a52689106b2d087c115b3ade23001eef4cc1169bb7613d82ef2efe58b3941
sha512
5ff712f88dfcb53b057c0cdb0dbe1bf41e6472ee0ef83098bad34db1526d3ca7cd47ffe726473e59e9b35d9538f6b3f742af972006884dd32114740a3a15b406
ripemd-160
d44ea3acae9567a9a6727cdead2e62f230c9cc4b
Diameter
40805480
Circumference
128194196.19421
Area
1.3077564272297E+15
Volume
3.5575752490795E+22
Surface area
5.2310257089187E+15
Circumference
128194196.19421
Perimeter
81610960
Area
416271799507600
Diagonal
28853831.617572
Surface area
2497630797045600
Volume
8.4930852946857E+21
Space diagonal
35338582.293618
Perimeter
61208220
Area
1.8025097662632E+14
Altitude
17669291.146809
Surface area
1.8025097662632E+14
Volume
1.0009197008447E+21
Height
9617943.872524