20149990 is an even 8-digits composite number following 20149989
and preceding 20149991 . In scientific notation, it is written as 2.0149990 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 6908544 positive integers (up to 20149990) that are relatively prime to 20149990.
20149990 has 16 divisors, whose sum is 41451552
The reverse of 20149990 is 09994102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred forty-nine thousand nine hundred ninety
Scientific notation
2.0149990 × 10^7
Engineering notation
2.0149990 × 10^6
Prime Factorization
2 × 5 × 7 × 287857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20149990
Product of the distinct prime numbers
The prime factorization of 20149990 is 2 × 5 × 7 × 287857.
Since it has a total of 4 prime factors.
2 , 7 , 3 , 46 , 145 , 415 , 585 , 598 , 43699 , 9681 , 957230 , 56074 , 4721190 , 3350270 , 65209994 , 66992286 , 195713410 , 175199178 , 7411927249 , 8839822400
n×2
40299980
n×3
60449970
n×4
80599960
n×5
100749950
n÷2
10074995
n÷3
6716663.3333333
n÷3
5037497.5
n÷5
4029998
n2
406022097000100
n3
8.181341194331E+21
n4
1.6485394325236E+29
n5
3.3218053079956E+36
2 √n
4488.8740236278
3 √n
272.11863157077
4 √n
66.999059871223
5 √n
28.897146985369
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 287857 , 575714 , 1439285 , 2014999 , 2878570 , 4029998 , 10074995 , 20149990
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
-20149989
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 20149990 can be divided by 16 positive divisors.
The sum of these divisors (counting 20149990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111011011100110
3
Ternary
1101220201120221
4
Quaternary
1030313123212
5
Quinary
20124244430
6
Senary
1555514554
8
Octal
114673346
10
Decimal
20149990
12
Duodecimal
68b8a5a
16
Hexadecimal
13376e6
20
Vigesimal
65ieja
36
Base36
bzvty
md5
b3cd4ae65ce122f6abcc47db82f8d7f3
sha1
9a0f6a99841f7456832a956ee547ffd9ce64fe3e
sha256
7aaeb02eebe4c02cd7134b0e245312b955544897a8120a7339aa44c4ec49492c
sha512
4397e2eee9d8836edb5d034a35a4a9cc3ea2d24651b1e5a082f52e306afd86f6773c5bef4720ab6d98f22bcae5d4bea41f753aaee1497f45530c591f59e56ffb
ripemd-160
d873b5bec891e7a97fd4ba7562fcbb77e73011f6
Diameter
40299980
Circumference
126606121.10782
Area
1.2755560371306E+15
Volume
3.4269921856829E+22
Surface area
5.1022241485225E+15
Circumference
126606121.10782
Perimeter
80599960
Area
406022097000100
Diagonal
28496389.139682
Surface area
2436132582000600
Volume
8.181341194331E+21
Space diagonal
34900806.452005
Perimeter
60449970
Area
1.7581272524996E+14
Altitude
17450403.226002
Surface area
1.7581272524996E+14
Volume
9.6418030628539E+20
Height
9498796.3798941