20211009 is an odd 8-digits composite number following 20211008
and preceding 20211010 . In scientific notation, it is written as 2.0211009 × 10^7.
The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors.
There are 10540800 positive integers (up to 20211009) that are relatively prime to 20211009.
20211009 has 16 divisors, whose sum is 23059344
The reverse of 20211009 is 90011202
Previous prime number is 733
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million two hundred eleven thousand nine
Scientific notation
2.0211009 × 10^7
Engineering notation
2.0211009 × 10^6
Prime Factorization
21 × 13 × 733 × 101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20211009
Product of the distinct prime numbers
The prime factorization of 20211009 is 21 × 13 × 733 × 101.
Since it has a total of 4 prime factors.
1 , 6 , 50 , 34 , 711 , 881 , 4682 , 4033 , 21496 , 47824 , 631373 , 973832 , 4685341 , 7932335 , 17818811 , 75702134 , 758927062 , 970838162 , 6754040059 , 2450009734
n×2
40422018
n×3
60633027
n×4
80844036
n×5
101055045
n÷2
10105504.5
n÷3
6737003
n÷3
5052752.25
n÷5
4042201.8
n2
408484884798081
n3
8.255891683018E+21
n4
1.668599011085E+29
n5
3.372406963043E+36
2 √n
4495.6655791996
3 √n
272.39303491973
4 √n
67.049724676538
5 √n
28.914627321951
1 , 13 , 21 , 101 , 273 , 733 , 1313 , 2121 , 9529 , 15393 , 27573 , 74033 , 200109 , 962429 , 1554693 , 20211009
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
-20211008
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 20211009 can be divided by 16 positive divisors.
The sum of these divisors (counting 20211009) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000110010101000001
3
Ternary
1102000211021220
4
Quaternary
1031012111001
5
Quinary
20133223014
6
Senary
2001105253
8
Octal
115062501
10
Decimal
20211009
12
Duodecimal
6928229
16
Hexadecimal
1346541
20
Vigesimal
6667a9
36
Base36
c16wx
md5
f94272dd5aa14116d16638840a48385f
sha1
1e160367505ef49dd4db9cf8c56549b51dfb1045
sha256
4541241725dbe2828bce51c97fa3d0c1a6f2e75209233bdf783c7c291cd46922
sha512
28229061db99ac589381bd428729c72e2c22d8a3d5c75feb6ac956b5d38d4f53de0a709a5fc739daf6e720167aab86318684ba0a67b5c1b4a903740eb4276231
ripemd-160
e3b1e4112389306137e278d22c40eb02f328d9e3
Diameter
40422018
Circumference
126989514.79207
Area
1.2832931131841E+15
Volume
3.4582198213603E+22
Surface area
5.1331724527365E+15
Circumference
126989514.79207
Perimeter
80844036
Area
408484884798081
Diagonal
28582683.037045
Surface area
2450909308788486
Volume
8.255891683018E+21
Space diagonal
35006494.460232
Perimeter
60633027
Area
1.7687914364855E+14
Altitude
17503247.230116
Surface area
1.7687914364855E+14
Volume
9.7296616563394E+20
Height
9527561.0123482