20149988 is an even 8-digits composite number following 20149987
and preceding 20149989 . In scientific notation, it is written as 2.0149988 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 6 positive divisors.
There are 10074992 positive integers (up to 20149988) that are relatively prime to 20149988.
20149988 has 6 divisors, whose sum is 35262486
The reverse of 20149988 is 88994102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million one hundred forty-nine thousand nine hundred eighty-eight
Scientific notation
2.0149988 × 10^7
Engineering notation
2.0149988 × 10^6
Prime Factorization
2 × 2 × 5037497
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10074994
Product of the distinct prime numbers
The prime factorization of 20149988 is 2 × 2 × 5037497.
Since it has a total of 3 prime factors.
9 , 10 , 47 , 27 , 950 , 458 , 813 , 2203 , 18651 , 6755 , 207527 , 946778 , 4645651 , 6614093 , 1805005 , 79087306 , 853109731 , 590847110 , 2331568501 , 7662449835
n×2
40299976
n×3
60449964
n×4
80599952
n×5
100749940
n÷2
10074994
n÷3
6716662.6666667
n÷3
5037497
n÷5
4029997.6
n2
406022016400144
n3
8.1813387581987E+21
n4
1.6485387780164E+29
n5
3.3218036594565E+36
2 √n
4488.8738008547
3 √n
272.11862256767
4 √n
66.999058208715
5 √n
28.897146411728
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149988 can be divided by 6 positive divisors.
The sum of these divisors (counting 20149988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100110111011011100100
3
Ternary
1101220201120212
4
Quaternary
1030313123210
5
Quinary
20124244423
6
Senary
1555514552
8
Octal
114673344
10
Decimal
20149988
12
Duodecimal
68b8a58
16
Hexadecimal
13376e4
20
Vigesimal
65iej8
36
Base36
bzvtw
md5
b300414bd414dd825c86db269520b00f
sha1
b2d32d3a41330c71958db27fbae2f5de89d413ae
sha256
41b2af797d7e68c05d16c0b6be22d5ef3a721bf805eaea3a9856fe68af63fccc
sha512
d2455bc1a4205b0663b5f9b2fce74c6851adeb503cab5810b363eb7e292137cd8b8e66e6d2efc261510e27be58a168baee1bb514292635fa489f2c7e18a0b6ca
ripemd-160
c559fb2a2a612fadd77065474f6c4f32a0f53d66
Diameter
40299976
Circumference
126606108.54144
Area
1.2755557839184E+15
Volume
3.4269911652382E+22
Surface area
5.1022231356736E+15
Circumference
126606108.54144
Perimeter
80599952
Area
406022016400144
Diagonal
28496386.311255
Surface area
2436132098400864
Volume
8.1813387581987E+21
Space diagonal
34900802.987903
Perimeter
60449964
Area
1.7581269034915E+14
Altitude
17450401.493952
Surface area
1.7581269034915E+14
Volume
9.6418001918444E+20
Height
9498795.437085