21949085 is an odd 8-digits composite number following 21949084
and preceding 21949086 . In scientific notation, it is written as 2.1949085 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 15482880 positive integers (up to 21949085) that are relatively prime to 21949085.
21949085 has 16 divisors, whose sum is 27864000
The reverse of 21949085 is 58094912
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million nine hundred forty-nine thousand eighty-five
Scientific notation
2.1949085 × 10^7
Engineering notation
2.1949085 × 10^6
Prime Factorization
5 × 899 × 257 × 19
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21949085
Product of the distinct prime numbers
The prime factorization of 21949085 is 5 × 899 × 257 × 19.
Since it has a total of 4 prime factors.
9 , 8 , 57 , 19 , 851 , 260 , 4034 , 2027 , 39029 , 56491 , 352526 , 820300 , 5174752 , 4735240 , 31641348 , 5308756 , 692879051 , 510921191 , 426140488 , 3123078767
n×2
43898170
n×3
65847255
n×4
87796340
n×5
109745425
n÷2
10974542.5
n÷3
7316361.6666667
n÷3
5487271.25
n÷5
4389817
n2
481762332337225
n3
1.0574242382268E+22
n4
2.32094944859E+29
n5
5.0942716727806E+36
2 √n
4684.9850586741
3 √n
279.98760574389
4 √n
68.446950689378
5 √n
29.395664638436
1 , 5 , 19 , 95 , 257 , 899 , 1285 , 4495 , 4883 , 17081 , 24415 , 85405 , 231043 , 1155215 , 4389817 , 21949085
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
-21949084
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 21949085 can be divided by 16 positive divisors.
The sum of these divisors (counting 21949085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011101110101010011101
3
Ternary
1112022010111002
4
Quaternary
1103232222131
5
Quinary
21104332320
6
Senary
2102240045
8
Octal
123565235
10
Decimal
21949085
12
Duodecimal
7426025
16
Hexadecimal
14eea9d
20
Vigesimal
6h3ce5
36
Base36
d2g0t
md5
e2ffa4a7477dcf36ec1259470a2e80ea
sha1
51073a6634473c8a5394c70a16835fdc0d20ff9d
sha256
9386ec353753dd1811bcf21ddf81da85b24653a10d33dc2179ac53bc6fe93037
sha512
7a2aca7f1add34083cd6ce1695d677e3f7cb46c5bc26911f7d2bba0bac318de65354d4b6fa89d6e830c62fee9f6d9b836169c0bb93754339956e428ae91d85a1
ripemd-160
27063dd1b93a0ff08450745fd4dae0e49b427f8f
Diameter
43898170
Circumference
137910168.37804
Area
1.5135010040469E+15
Volume
4.4293282913881E+22
Surface area
6.0540040161876E+15
Circumference
137910168.37804
Perimeter
87796340
Area
481762332337225
Diagonal
31040693.68868
Surface area
2890573994023350
Volume
1.0574242382268E+22
Space diagonal
38016930.399648
Perimeter
65847255
Area
2.0860920919524E+14
Altitude
19008465.199824
Surface area
2.0860920919524E+14
Volume
1.2461864157353E+21
Height
10346897.896227