21141645 is an odd 8-digits composite number following 21141644
and preceding 21141646 . In scientific notation, it is written as 2.1141645 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 9611328 positive integers (up to 21141645) that are relatively prime to 21141645.
21141645 has 16 divisors, whose sum is 26725248
The reverse of 21141645 is 54614112
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred forty-one thousand six hundred forty-five
Scientific notation
2.1141645 × 10^7
Engineering notation
2.1141645 × 10^6
Prime Factorization
21 × 5 × 227 × 887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21141645
Product of the distinct prime numbers
The prime factorization of 21141645 is 21 × 5 × 227 × 887.
Since it has a total of 4 prime factors.
3 , 6 , 14 , 43 , 660 , 407 , 2503 , 449 , 43797 , 12265 , 465684 , 125226 , 6349642 , 8266525 , 2809289 , 67539088 , 102892188 , 91047054 , 2975260584 , 326171526
n×2
42283290
n×3
63424935
n×4
84566580
n×5
105708225
n÷2
10570822.5
n÷3
7047215
n÷3
5285411.25
n÷5
4228329
n2
446969153306025
n3
9.4496631651466E+21
n4
1.997814240071E+29
n5
4.2237079439527E+36
2 √n
4598.004458458
3 √n
276.51132632279
4 √n
67.808586907987
5 √n
29.176134690828
1 , 5 , 21 , 105 , 227 , 887 , 1135 , 4435 , 4767 , 18627 , 23835 , 93135 , 201349 , 1006745 , 4228329 , 21141645
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
-21141644
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 21141645 can be divided by 16 positive divisors.
The sum of these divisors (counting 21141645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101001100010001101
3
Ternary
1110210002212220
4
Quaternary
1100221202031
5
Quinary
20403013040
6
Senary
2033045553
8
Octal
120514215
10
Decimal
21141645
12
Duodecimal
70b68b9
16
Hexadecimal
142988d
20
Vigesimal
6c2e25
36
Base36
cl4zx
md5
46d76bd900afbc987a64cc45ebd1a897
sha1
e86e64ec3f50132bb2fffbee47bf949475b03f98
sha256
503fffca836b75fa90deabb7afe2b6ad08aab108f790a63e40bc02b90a03d664
sha512
958b271d9c3545f19316a9ff6efb1eda528cd1d45143b913bf25466728932be2bffe6a53b55e2f8c173b9b048b33a10a712bd17b5910f1d6a621b80da52bad77
ripemd-160
78f2a0aceb06212ff298c3c8091ec40721878a4f
Diameter
42283290
Circumference
132836873.23361
Area
1.4041950084075E+15
Volume
3.9582656504697E+22
Surface area
5.6167800336298E+15
Circumference
132836873.23361
Perimeter
84566580
Area
446969153306025
Diagonal
29898801.089877
Surface area
2681814919836150
Volume
9.4496631651466E+21
Space diagonal
36618403.295585
Perimeter
63424935
Area
1.9354332073552E+14
Altitude
18309201.647792
Surface area
1.9354332073552E+14
Volume
1.1136534840006E+21
Height
9966267.0299591