21006959 is an odd 8-digits prime number following 21006958
and preceding 21006960 . In scientific notation, it is written as 2.1006959 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 21006958 positive integers (up to 21006959) that are relatively prime to 21006959.
21006959 has 2 divisors, whose sum is 21006960
The reverse of 21006959 is 95960012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million six thousand nine hundred fifty-nine
Scientific notation
2.1006959 × 10^7
Engineering notation
2.1006959 × 10^6
Prime Factorization
21006959
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21006959
Product of the distinct prime numbers
The prime factorization of 21006959 is 21006959.
Since it has a total of 1 prime factors.
4 , 4 , 98 , 30 , 162 , 954 , 2835 , 202 , 94251 , 44163 , 789648 , 202173 , 4541380 , 1086113 , 3265623 , 12570383 , 431097435 , 472808539 , 709712217 , 2115393721
n×2
42013918
n×3
63020877
n×4
84027836
n×5
105034795
n÷2
10503479.5
n÷3
7002319.6666667
n÷3
5251739.75
n÷5
4201391.8
n2
441292326427681
n3
9.2702098082809E+21
n4
1.9473891736395E+29
n5
4.090872452769E+36
2 √n
4583.3349212118
3 √n
275.92288943647
4 √n
67.700331765892
5 √n
29.138865414869
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21006960
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10503480
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4583.3350303027
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999047935
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21006959 can be divided by 2 positive divisors.
The sum of these divisors (counting 21006959) is 21006960, the average is 10503480.
Base
System
Value
2
Binary
1010000001000101001101111
3
Ternary
1110112021010112
4
Quaternary
1100020221233
5
Quinary
20334210314
6
Senary
2030130235
8
Octal
120105157
10
Decimal
21006959
12
Duodecimal
705097b
16
Hexadecimal
1408a6f
20
Vigesimal
6b5h7j
36
Base36
ci92n
md5
7644c5182077d40bf4b26db23570e22a
sha1
551e2c8960cd462794e1fb06d6d488a4b1568dfb
sha256
fc48b7c958841b39ca828501c43fd9dedc557eebe31e2b3312e0092083c649b0
sha512
ad5d0fd24f2ac8b70e9caeebbf0cb7cef3985902a01abf0d66ad662bf7ddde095546838b01a46b7322e0a2d9fbc2c2eff92dd9e7e2448a18aed4d4cc6cb8a02b
ripemd-160
a9e7d18e67a68bba311bfd176de13a698a503d8d
Diameter
42013918
Circumference
131990616.13732
Area
1.3863607307908E+15
Volume
3.8830964041242E+22
Surface area
5.545442923163E+15
Circumference
131990616.13732
Perimeter
84027836
Area
441292326427681
Diagonal
29708326.322016
Surface area
2647753958566086
Volume
9.2702098082809E+21
Space diagonal
36385120.300516
Perimeter
63020877
Area
1.9108518259075E+14
Altitude
18192560.150258
Surface area
1.9108518259075E+14
Volume
1.0925047030762E+21
Height
9902775.4406719