20047890 is an even 8-digits composite number following 20047889
and preceding 20047891 . In scientific notation, it is written as 2.0047890 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5221440 positive integers (up to 20047890) that are relatively prime to 20047890.
20047890 has 16 divisors, whose sum is 40284864
The reverse of 20047890 is 09874002
Previous prime number is 215
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million forty-seven thousand eight hundred ninety
Scientific notation
2.0047890 × 10^7
Engineering notation
2.0047890 × 10^6
Prime Factorization
2 × 3 × 215 × 15541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20047890
Product of the distinct prime numbers
The prime factorization of 20047890 is 2 × 3 × 215 × 15541.
Since it has a total of 4 prime factors.
10 , 9 , 34 , 63 , 371 , 160 , 5754 , 3560 , 25667 , 98602 , 326861 , 764630 , 8144448 , 2942128 , 36111590 , 99762476 , 336270263 , 857252352 , 6504226510 , 7581490108
n×2
40095780
n×3
60143670
n×4
80191560
n×5
100239450
n÷2
10023945
n÷3
6682630
n÷3
5011972.5
n÷5
4009578
n2
401917893452100
n3
8.0576057169594E+21
n4
1.6153799307697E+29
n5
3.2384959160279E+36
2 √n
4477.4870184066
3 √n
271.65824472785
4 √n
66.914027067623
5 √n
28.867803081774
1 , 2 , 3 , 6 , 215 , 430 , 645 , 1290 , 15541 , 31082 , 46623 , 93246 , 3341315 , 6682630 , 10023945 , 20047890
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
-20047889
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 20047890 can be divided by 16 positive divisors.
The sum of these divisors (counting 20047890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011110100000010010
3
Ternary
1101201112112110
4
Quaternary
1030132200102
5
Quinary
20113013030
6
Senary
1553410150
8
Octal
114364022
10
Decimal
20047890
12
Duodecimal
6869956
16
Hexadecimal
131e812
20
Vigesimal
655jea
36
Base36
bxp1u
md5
49f38cb66b6b345fd15ae3f91cd77462
sha1
72d5d67295f239f1fd4b4535d15e76459c4b765d
sha256
40e91975f809be7e5cbcb953b4323fe7ca98b8f29458b7aac9b704c087294241
sha512
b14bfc6bcd927506dff5964148a2cb82135ceec51ef6c0cd70ee13f6acac7609b590353620b975521fce953bdb487593ff89dbb0faf8a503d5e869b9c339ea70
ripemd-160
ab8162de628d18b03f5b3d679fc56af4a2f1875e
Diameter
40095780
Circumference
125964607.88795
Area
1.2626623014154E+15
Volume
3.375161990123E+22
Surface area
5.0506492056616E+15
Circumference
125964607.88795
Perimeter
80191560
Area
401917893452100
Diagonal
28351997.934964
Surface area
2411507360712600
Volume
8.0576057169594E+21
Space diagonal
34723964.064552
Perimeter
60143670
Area
1.7403555298252E+14
Altitude
17361982.032276
Surface area
1.7403555298252E+14
Volume
9.4959794043158E+20
Height
9450665.9783213