18972020 is an even 8-digits composite number following 18972019
and preceding 18972021 . In scientific notation, it is written as 1.8972020 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 7426976 positive integers (up to 18972020) that are relatively prime to 18972020.
18972020 has 24 divisors, whose sum is 40690944
The reverse of 18972020 is 02027981
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million nine hundred seventy-two thousand twenty
Scientific notation
1.8972020 × 10^7
Engineering notation
1.8972020 × 10^6
Prime Factorization
2 × 2 × 5 × 47 × 20183
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9486010
Product of the distinct prime numbers
The prime factorization of 18972020 is 2 × 2 × 5 × 47 × 20183.
Since it has a total of 5 prime factors.
4 , 9 , 36 , 59 , 21 , 164 , 1685 , 774 , 19559 , 8846 , 178565 , 610323 , 6109627 , 5557541 , 38505712 , 34663237 , 308244404 , 401670021 , 3740007606 , 5111594112
n×2
37944040
n×3
56916060
n×4
75888080
n×5
94860100
n÷2
9486010
n÷3
6324006.6666667
n÷3
4743005
n÷5
3794404
n2
359937542880400
n3
6.8287422622778E+21
n4
1.2955503477478E+29
n5
2.4579207108478E+36
2 √n
4355.6882349406
3 √n
266.70911477051
4 √n
65.997638101228
5 √n
28.551091428286
1 , 2 , 4 , 5 , 10 , 20 , 47 , 94 , 188 , 235 , 470 , 940 , 20183 , 40366 , 80732 , 100915 , 201830 , 403660 , 948601 , 1897202 , 3794404 , 4743005 , 9486010 , 18972020
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18972019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18972020 can be divided by 24 positive divisors.
The sum of these divisors (counting 18972020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001000010111110101110100
3
Ternary
1022200212201102
4
Quaternary
1020113311310
5
Quinary
14324101040
6
Senary
1514345232
8
Octal
110276564
10
Decimal
18972020
12
Duodecimal
642b218
16
Hexadecimal
1217d74
20
Vigesimal
5iba10
36
Base36
bamwk
md5
bb70f2954d87165b8c6428ff5de79ef7
sha1
0fa3f0b9111f8c77c193a1583fe0f8626e64d414
sha256
7a08d6e8b5c3ad2d8370e179a8ee481029e2fad5e783dec99d65caf26c9f29e8
sha512
f35ef8acfdca53c343187efe0d050275162eb86883950bed32bb6fcbc82d656581c43761ed8d2ac740348fd7721648ba5930397e64de65d0735ea52bbd2f7987
ripemd-160
e10407f7860eac345312f035ed8c33ee4ee9282b
Diameter
37944040
Circumference
119204717.31152
Area
1.1307771404642E+15
Volume
2.860416869924E+22
Surface area
4.5231085618569E+15
Circumference
119204717.31152
Perimeter
75888080
Area
359937542880400
Diagonal
26830487.989614
Surface area
2159625257282400
Volume
6.8287422622778E+21
Space diagonal
32860502.562213
Perimeter
56916060
Area
1.5585752795509E+14
Altitude
16430251.281106
Surface area
1.5585752795509E+14
Volume
8.0477499343863E+20
Height
8943495.9965379