21006211 is an odd 8-digits composite number following 21006210
and preceding 21006212 . In scientific notation, it is written as 2.1006211 × 10^7.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 20972800 positive integers (up to 21006211) that are relatively prime to 21006211.
21006211 has 4 divisors, whose sum is 21039624
The reverse of 21006211 is 11260012
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty-one million six thousand two hundred eleven
Scientific notation
2.1006211 × 10^7
Engineering notation
2.1006211 × 10^6
Prime Factorization
641 × 32771
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21006211
Product of the distinct prime numbers
The prime factorization of 21006211 is 641 × 32771.
Since it has a total of 2 prime factors.
2 , 1 , 73 , 93 , 846 , 960 , 1962 , 3489 , 6578 , 63974 , 505826 , 754617 , 8841563 , 2179271 , 32128804 , 47763683 , 135730241 , 995470108 , 6139521306 , 3736856461
n×2
42012422
n×3
63018633
n×4
84024844
n×5
105031055
n÷2
10503105.5
n÷3
7002070.3333333
n÷3
5251552.75
n÷5
4201242.2
n2
441260900576521
n3
9.2692195835604E+21
n4
1.947111823776E+29
n5
4.0901441810834E+36
2 √n
4583.2533205137
3 √n
275.91961444601
4 √n
67.699729102218
5 √n
29.138657900952
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21006210
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21006211 can be divided by 4 positive divisors.
The sum of these divisors (counting 21006211) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001000011110000011
3
Ternary
1110112020002211
4
Quaternary
1100020132003
5
Quinary
20334144321
6
Senary
2030122551
8
Octal
120103603
10
Decimal
21006211
12
Duodecimal
7050457
16
Hexadecimal
1408783
20
Vigesimal
6b5fab
36
Base36
ci8hv
md5
688fd43bd49bfd459df069de5dd368f6
sha1
92feb7960faef2ef0b1d08a4fe7de5be1f6d43d1
sha256
054a46ab62eaa1c876f167a245db61a15db3d5c30ceb919a698e1875c43f5420
sha512
7395221fee9f455ae3b7421991cc791cddd5e879a2212fd34467f08f6cd31a687461f0db650dab938b18085967b771aca812158be91a2be04968a9d1e1e8cf03
ripemd-160
73611aa90fd688db3516d05d8087673b718f6429
Diameter
42012422
Circumference
131985916.31471
Area
1.3862620035676E+15
Volume
3.8826816197632E+22
Surface area
5.5450480142705E+15
Circumference
131985916.31471
Perimeter
84024844
Area
441260900576521
Diagonal
29707268.490271
Surface area
2647565403459126
Volume
9.2692195835604E+21
Space diagonal
36383824.726512
Perimeter
63018633
Area
1.9107157479803E+14
Altitude
18191912.363256
Surface area
1.9107157479803E+14
Volume
1.0923880039738E+21
Height
9902422.8300903