20145874 is an even 8-digits composite number following 20145873
and preceding 20145875 . In scientific notation, it is written as 2.0145874 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 8633940 positive integers (up to 20145874) that are relatively prime to 20145874.
20145874 has 8 divisors, whose sum is 34535808
The reverse of 20145874 is 47854102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-five thousand eight hundred seventy-four
Scientific notation
2.0145874 × 10^7
Engineering notation
2.0145874 × 10^6
Prime Factorization
2 × 7 × 1438991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20145874
Product of the distinct prime numbers
The prime factorization of 20145874 is 2 × 7 × 1438991.
Since it has a total of 3 prime factors.
6 , 3 , 97 , 87 , 739 , 873 , 1386 , 2634 , 53632 , 88746 , 713796 , 585059 , 1839101 , 6980719 , 20871273 , 5964336 , 571963793 , 658363074 , 4270240668 , 9537738483
n×2
40291748
n×3
60437622
n×4
80583496
n×5
100729370
n÷2
10072937
n÷3
6715291.3333333
n÷3
5036468.5
n÷5
4029174.8
n2
405856239223876
n3
8.1763286575181E+21
n4
1.6471928691695E+29
n5
3.3184139995987E+36
2 √n
4488.415533348
3 √n
272.10010192453
4 √n
66.995638166585
5 √n
28.895966335885
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145873
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145874 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145874) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110011011010010
3
Ternary
1101220111221111
4
Quaternary
1030312123102
5
Quinary
20124131444
6
Senary
1555443534
8
Octal
114663322
10
Decimal
20145874
12
Duodecimal
68b65aa
16
Hexadecimal
13366d2
20
Vigesimal
65i4de
36
Base36
bzsnm
md5
bdcb1307287bfedadd9e2d02291c9152
sha1
604d0f0589fa1739956bd792865eea1c3ed7cb62
sha256
8d8ce3d6941bdaa98877c108e0b7707278bc82a061fde59740f6641a6ab31afa
sha512
9b6ba471de86a89df4f4b0be43516947beaf21a2448326b8035a23eefdfe0b6d4a13584f089eea4a2da85bdd628cbe78c718f24cef0b33bf9d1076d64157feab
ripemd-160
03949479f66d1312a315028dd98d86b001fbdcd9
Diameter
40291748
Circumference
126580259.51709
Area
1.2750349795593E+15
Volume
3.4248925391726E+22
Surface area
5.1001399182372E+15
Circumference
126580259.51709
Perimeter
80583496
Area
405856239223876
Diagonal
28490568.23666
Surface area
2435137435343256
Volume
8.1763286575181E+21
Space diagonal
34893677.330881
Perimeter
60437622
Area
1.7574090672615E+14
Altitude
17446838.66544
Surface area
1.7574090672615E+14
Volume
9.6358957315682E+20
Height
9496856.0788865