21039989 is an odd 8-digits prime number following 21039988
and preceding 21039990 . In scientific notation, it is written as 2.1039989 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 21039988 positive integers (up to 21039989) that are relatively prime to 21039989.
21039989 has 2 divisors, whose sum is 21039990
The reverse of 21039989 is 98993012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million thirty-nine thousand nine hundred eighty-nine
Scientific notation
2.1039989 × 10^7
Engineering notation
2.1039989 × 10^6
Prime Factorization
21039989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21039989
Product of the distinct prime numbers
The prime factorization of 21039989 is 21039989.
Since it has a total of 1 prime factors.
9 , 6 , 2 , 63 , 27 , 454 , 4587 , 6115 , 67540 , 37455 , 623177 , 338108 , 9806623 , 7746554 , 55544413 , 30211532 , 692934072 , 43442441 , 8625863238 , 9226542249
n×2
42079978
n×3
63119967
n×4
84159956
n×5
105199945
n÷2
10519994.5
n÷3
7013329.6666667
n÷3
5259997.25
n÷5
4207997.8
n2
442681137120121
n3
9.3140062555148E+21
n4
1.9596658916196E+29
n5
4.1231348803352E+36
2 √n
4586.9367774147
3 √n
276.06742821509
4 √n
67.726928008103
5 √n
29.148022875242
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21039990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10519995
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4586.93688642
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999049429
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21039989 can be divided by 2 positive divisors.
The sum of these divisors (counting 21039989) is 21039990, the average is 10519995.
Base
System
Value
2
Binary
1010000010000101101110101
3
Ternary
1110120221102212
4
Quaternary
1100100231311
5
Quinary
20341234424
6
Senary
2030543205
8
Octal
120205565
10
Decimal
21039989
12
Duodecimal
7067b05
16
Hexadecimal
1410b75
20
Vigesimal
6b9jj9
36
Base36
ciyk5
md5
a93063aded6ad2d33359a2487e5f207d
sha1
80914403070f19cb8255603bf7036c7826964f9a
sha256
56530b425c8c044df69668c708e6bfe0dd23715508695d7079ee2b763d805f73
sha512
345ed1df2db5e8440fc7414ce87f91ea83352ca7c3d4c676fc4f36e2445cc16129a423254adf2ba34bd1f4a16830646ebbee3100b50282568d554cc21bb4fbf5
ripemd-160
ba538f439a58f27ceba08017814481e3b0dddaac
Diameter
42079978
Circumference
132198149.74802
Area
1.3907238082593E+15
Volume
3.901441817042E+22
Surface area
5.5628952330374E+15
Circumference
132198149.74802
Perimeter
84159956
Area
442681137120121
Diagonal
29755037.795981
Surface area
2656086822720726
Volume
9.3140062555148E+21
Space diagonal
36442329.93869
Perimeter
63119967
Area
1.916865552611E+14
Altitude
18221164.969345
Surface area
1.916865552611E+14
Volume
1.0976661638814E+21
Height
9918345.9319936