20451742 is an even 8-digits composite number following 20451741
and preceding 20451743 . In scientific notation, it is written as 2.0451742 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 10080000 positive integers (up to 20451742) that are relatively prime to 20451742.
20451742 has 16 divisors, whose sum is 31119264
The reverse of 20451742 is 24715402
Previous prime number is 281
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred fifty-one thousand seven hundred forty-two
Scientific notation
2.0451742 × 10^7
Engineering notation
2.0451742 × 10^6
Prime Factorization
2 × 151 × 281 × 241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20451742
Product of the distinct prime numbers
The prime factorization of 20451742 is 2 × 151 × 281 × 241.
Since it has a total of 4 prime factors.
5 , 8 , 5 , 35 , 815 , 591 , 2329 , 8420 , 44964 , 83421 , 220185 , 791922 , 5893150 , 3427655 , 76663259 , 53684283 , 339481866 , 571468752 , 1631731127 , 6471321060
n×2
40903484
n×3
61355226
n×4
81806968
n×5
102258710
n÷2
10225871
n÷3
6817247.3333333
n÷3
5112935.5
n÷5
4090348.4
n2
418273750834564
n3
8.5544268374408E+21
n4
1.7495293063721E+29
n5
3.5780921995362E+36
2 √n
4522.3602244846
3 √n
273.47025891274
4 √n
67.248496076006
5 √n
28.983181806187
1 , 2 , 151 , 241 , 281 , 302 , 482 , 562 , 36391 , 42431 , 67721 , 72782 , 84862 , 135442 , 10225871 , 20451742
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
-20451741
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 20451742 can be divided by 16 positive divisors.
The sum of these divisors (counting 20451742) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000001000110011110
3
Ternary
1102111001111221
4
Quaternary
1032001012132
5
Quinary
20213423432
6
Senary
2010203554
8
Octal
116010636
10
Decimal
20451742
12
Duodecimal
6a235ba
16
Hexadecimal
138119e
20
Vigesimal
67g972
36
Base36
c6cny
md5
ac85aeb0f2bc37feb1bf4a98a9e28fb3
sha1
8e1c9a407d2de4d30867b33212e495469abf4f43
sha256
7772f4ddc7810d6a4b5d662f6dad09adf0ec15f814122f9818d5d8107ee22a37
sha512
ffa946f508072b6cfc15ecb83d789a0d9f806cbc1a06f652683f759778c33a5a94a5517771c796220f831ac02cb2ba5f832e4d4c47d8b5d3316907640e857652
ripemd-160
7635ec02aabe7487ef30b909ee4ff43d8e115007
Diameter
40903484
Circumference
128502084.84063
Area
1.3140457428113E+15
Volume
3.5832699344234E+22
Surface area
5.2561829712453E+15
Circumference
128502084.84063
Perimeter
81806968
Area
418273750834564
Diagonal
28923130.910555
Surface area
2509642505007384
Volume
8.5544268374408E+21
Space diagonal
35423456.24729
Perimeter
61355226
Area
1.8111784697947E+14
Altitude
17711728.123645
Surface area
1.8111784697947E+14
Volume
1.0081488709864E+21
Height
9641043.6368518