21455963 is an odd 8-digits prime number following 21455962
and preceding 21455964 . In scientific notation, it is written as 2.1455963 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 21455962 positive integers (up to 21455963) that are relatively prime to 21455963.
21455963 has 2 divisors, whose sum is 21455964
The reverse of 21455963 is 36955412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 35 Digital Root 8
Name
twenty-one million four hundred fifty-five thousand nine hundred sixty-three
Scientific notation
2.1455963 × 10^7
Engineering notation
2.1455963 × 10^6
Prime Factorization
21455963
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21455963 Product of the distinct prime numbers
The prime factorization of 21455963 is 21455963.
Since it has a total of 1 prime factors.
4 , 1 , 1 , 6 , 106 , 824 , 2434 , 3810 , 36280 , 91298 , 37659 , 51046 , 3742437 , 7317530 , 59963851 , 84151530 , 385113410 , 857355870 , 842646364 , 2724104603
n×2
42911926
n×3
64367889
n×4
85823852
n×5
107279815
n÷2
10727981.5
n÷3
7151987.6666667
n÷3
5363990.75
n÷5
4291192.6
n2
460358348257369
n3
9.8774316869512E+21
n4
2.1192980881025E+29
n5
4.5471581364299E+36
2 √n4632.0581818453
3 √n277.87491137546
4 √n68.059225545442
5 √n29.2623770741
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21455964 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10727982 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4632.0582897887 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999067858 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21455963 can be divided by 2 positive divisors.
The sum of these divisors (counting 21455963) is 21455964, the average is 10727982.
Base
System
Value
2
Binary
1010001110110010001011011
3
Ternary
1111101002001022
4
Quaternary
1101312101123
5
Quinary
20443042323
6
Senary
2043513055
8
Octal
121662133
10
Decimal
21455963
12
Duodecimal
722878b
16
Hexadecimal
147645b
20
Vigesimal
6e1ji3
36
Base36
crviz
md5
c854f6e74e6627ab9490b8585ba2a50c
sha1
ac1760ce74e859a481372bef9581fcf7229eae9f
sha256
b2deacc178290bfff93750a2f05bc11565a1b7ab412ce87cb90817627fbdb144
sha512
1a98165e522ff7e76508b024d85652f1ebec8ce30482658e27152861b21cdc0aebd0a5f28ce80c04bc326c39143a90434eef4c629bb6ec3fb3be9037c594ac3f
ripemd-160
163f6891f5c4328bc972023e9cd71536908aae10
Diameter
42911926
Circumference
134811791.47299
Area
1.4462584049041E+15
Volume
4.1374489098748E+22
Surface area
5.7850336196163E+15
Circumference
134811791.47299
Perimeter
85823852
Area
460358348257369
Diagonal
30343313.868375
Surface area
2762150089544214
Volume
9.8774316869512E+21
Space diagonal
37162818.041318
Perimeter
64367889
Area
1.9934101221756E+14
Altitude
18581409.020659
Surface area
1.9934101221756E+14
Volume
1.1640664877583E+21
Height
10114437.956125