21006075 is an odd 8-digits composite number following 21006074
and preceding 21006076 . In scientific notation, it is written as 2.1006075 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 11158560 positive integers (up to 21006075) that are relatively prime to 21006075.
21006075 has 16 divisors, whose sum is 29244800
The reverse of 21006075 is 57060012
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million six thousand seventy-five
Scientific notation
2.1006075 × 10^7
Engineering notation
2.1006075 × 10^6
Prime Factorization
3 × 25 × 379 × 739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21006075
Product of the distinct prime numbers
The prime factorization of 21006075 is 3 × 25 × 379 × 739.
Since it has a total of 4 prime factors.
7 , 8 , 64 , 83 , 918 , 912 , 5357 , 1004 , 51090 , 55979 , 768182 , 534700 , 2174581 , 4107717 , 42791999 , 7763582 , 987080039 , 821846604 , 3323291208 , 9871367056
n×2
42012150
n×3
63018225
n×4
84024300
n×5
105030375
n÷2
10503037.5
n÷3
7002025
n÷3
5251518.75
n÷5
4201215
n2
441255186905625
n3
9.2690395502786E+21
n4
1.9470613997112E+29
n5
4.0900117791938E+36
2 √n
4583.2384838671
3 √n
275.91901898485
4 √n
67.699619525275
5 √n
29.138620170514
1 , 3 , 25 , 75 , 379 , 739 , 1137 , 2217 , 9475 , 18475 , 28425 , 55425 , 280081 , 840243 , 7002025 , 21006075
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
-21006074
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 21006075 can be divided by 16 positive divisors.
The sum of these divisors (counting 21006075) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001000011011111011
3
Ternary
1110112012220210
4
Quaternary
1100020123323
5
Quinary
20334143300
6
Senary
2030122203
8
Octal
120103373
10
Decimal
21006075
12
Duodecimal
7050363
16
Hexadecimal
14086fb
20
Vigesimal
6b5f3f
36
Base36
ci8e3
md5
b5a9b6b3d74eb99ec9c0f2a68db7cda7
sha1
e97d6c3319c1757100821728c41a46ee9d0f556d
sha256
3d45e3fb16325a053dba64242f71f6bd7dabe5c7dbf3dd2961376a60ab75f43c
sha512
f2b154c72e429bc9d8856d4da9b3d748688cf42ec5d455e399f4e67852bfcbce806c58d7148d25748f8660073eee2a4be10d11ef3dbf5918a4789ec681c09f4c
ripemd-160
b5f329cd1cf4f587969117bc7d267e210cbefbeb
Diameter
42012150
Circumference
131985061.80151
Area
1.3862440535411E+15
Volume
3.8826062075985E+22
Surface area
5.5449762141644E+15
Circumference
131985061.80151
Perimeter
84024300
Area
441255186905625
Diagonal
29707076.157226
Surface area
2647531121433750
Volume
9.2690395502786E+21
Space diagonal
36383589.167602
Perimeter
63018225
Area
1.9106910070596E+14
Altitude
18191794.583801
Surface area
1.9106910070596E+14
Volume
1.092366786848E+21
Height
9902358.7190755