21102920 is an even 8-digits composite number following 21102919
and preceding 21102921 . In scientific notation, it is written as 2.1102920 × 10^7.
The sum of its digits is 17. It has a total of 6 prime factors and 32 positive divisors.
There are 7996608 positive integers (up to 21102920) that are relatively prime to 21102920.
21102920 has 32 divisors, whose sum is 49982400
The reverse of 21102920 is 02920112
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million one hundred two thousand nine hundred twenty
Scientific notation
2.1102920 × 10^7
Engineering notation
2.1102920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 19 × 27767
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5275730
Product of the distinct prime numbers
The prime factorization of 21102920 is 2 × 2 × 2 × 5 × 19 × 27767.
Since it has a total of 6 prime factors.
9 , 5 , 58 , 36 , 599 , 335 , 5327 , 6000 , 11613 , 75178 , 598348 , 702963 , 2793771 , 7502887 , 15621709 , 41687863 , 181407079 , 210987520 , 8980941110 , 3732875233
n×2
42205840
n×3
63308760
n×4
84411680
n×5
105514600
n÷2
10551460
n÷3
7034306.6666667
n÷3
5275730
n÷5
4220584
n2
445333232526400
n3
9.397831579346E+21
n4
1.9832168799241E+29
n5
4.1851667159688E+36
2 √n
4593.7914623979
3 √n
276.3423951976
4 √n
67.777514430657
5 √n
29.165438507641
1 , 2 , 4 , 5 , 8 , 10 , 19 , 20 , 38 , 40 , 76 , 95 , 152 , 190 , 380 , 760 , 27767 , 55534 , 111068 , 138835 , 222136 , 277670 , 527573 , 555340 , 1055146 , 1110680 , 2110292 , 2637865 , 4220584 , 5275730 , 10551460 , 21102920
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21102919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21102920 can be divided by 32 positive divisors.
The sum of these divisors (counting 21102920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100000000101001000
3
Ternary
1110201010202122
4
Quaternary
1100200011020
5
Quinary
20400243140
6
Senary
2032150412
8
Octal
120400510
10
Decimal
21102920
12
Duodecimal
7098408
16
Hexadecimal
1420148
20
Vigesimal
6bhh60
36
Base36
ckb48
md5
1bc40dbbc590aa1976d861e3b9107cf8
sha1
45280e3e21dc2118932028a8dd76324b29f74472
sha256
87b9340215bde8db756503ae4ef83b5f81d6a0ed36de545f4e426fecf270a36b
sha512
0325256fa6c41f6067612e134aac675f8d915b23d6933a2470d5d6d492da2d50cbb6f4af571b600ec6741175cb55a89d0154d5e4b9b82e830c77a7e15aa42b3e
ripemd-160
f0198c15f14a1a7911d765c97c068f4bd479f1a5
Diameter
42205840
Circumference
132593556.88259
Area
1.3990556117043E+15
Volume
3.9365544865797E+22
Surface area
5.5962224468173E+15
Circumference
132593556.88259
Perimeter
84411680
Area
445333232526400
Diagonal
29844035.669674
Surface area
2671999395158400
Volume
9.397831579346E+21
Space diagonal
36551329.628061
Perimeter
63308760
Area
1.9283494625865E+14
Altitude
18275664.814031
Surface area
1.9283494625865E+14
Volume
1.1075450730341E+21
Height
9948011.8898915