20149521 is an odd 8-digits composite number following 20149520
and preceding 20149522 . In scientific notation, it is written as 2.0149521 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 11488464 positive integers (up to 20149521) that are relatively prime to 20149521.
20149521 has 16 divisors, whose sum is 30772224
The reverse of 20149521 is 12594102
Previous prime number is 1483
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred forty-nine thousand five hundred twenty-one
Scientific notation
2.0149521 × 10^7
Engineering notation
2.0149521 × 10^6
Prime Factorization
3 × 7 × 1483 × 647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20149521
Product of the distinct prime numbers
The prime factorization of 20149521 is 3 × 7 × 1483 × 647.
Since it has a total of 4 prime factors.
3 , 8 , 9 , 87 , 189 , 578 , 2014 , 4237 , 81331 , 59897 , 414171 , 596526 , 4365755 , 2538050 , 24058222 , 78389617 , 275406570 , 262833895 , 1677268120 , 7144021617
n×2
40299042
n×3
60448563
n×4
80598084
n×5
100747605
n÷2
10074760.5
n÷3
6716507
n÷3
5037380.25
n÷5
4029904.2
n2
406003196529441
n3
8.1807699345371E+21
n4
1.6483859559212E+29
n5
3.321418743494E+36
2 √n
4488.8217830518
3 √n
272.1165203269
4 √n
66.998670009574
5 √n
28.897012465321
1 , 3 , 7 , 21 , 647 , 1483 , 1941 , 4449 , 4529 , 10381 , 13587 , 31143 , 959501 , 2878503 , 6716507 , 20149521
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
-20149520
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 20149521 can be divided by 16 positive divisors.
The sum of these divisors (counting 20149521) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111010100010001
3
Ternary
1101220200221120
4
Quaternary
1030313110101
5
Quinary
20124241041
6
Senary
1555512453
8
Octal
114672421
10
Decimal
20149521
12
Duodecimal
68b8729
16
Hexadecimal
1337511
20
Vigesimal
65idg1
36
Base36
bzvgx
md5
afd3db028bf2671e1e5abc077e33db9e
sha1
5835181ed91e027f032a69197c9eed98fc8d8bd7
sha256
eaebe12e10ed0015301ef25679a422f5aeae1a1a011c750f4afc0124cdd9c8b1
sha512
62dd6875f1011bbf596e4fae974f7771b5387b02f70029d8dea2ff7abff90c587df9bc0d11ca6609a4be28446fd47d3dabc3c2c246e355a657bacec60f7e1091
ripemd-160
99082f22fc770211e2b3c757bcc148a3afb90e88
Diameter
40299042
Circumference
126603174.29391
Area
1.2754966595509E+15
Volume
3.42675289694E+22
Surface area
5.1019866382035E+15
Circumference
126603174.29391
Perimeter
80598084
Area
406003196529441
Diagonal
28495725.873521
Surface area
2436019179176646
Volume
8.1807699345371E+21
Space diagonal
34899994.120176
Perimeter
60448563
Area
1.7580454110609E+14
Altitude
17449997.060088
Surface area
1.7580454110609E+14
Volume
9.6411298267304E+20
Height
9498575.2911738