21859897 is an odd 8-digits prime number following 21859896
and preceding 21859898 . In scientific notation, it is written as 2.1859897 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 21859896 positive integers (up to 21859897) that are relatively prime to 21859897.
21859897 has 2 divisors, whose sum is 21859898
The reverse of 21859897 is 79895812
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 49 Digital Root 4
Name
twenty-one million eight hundred fifty-nine thousand eight hundred ninety-seven
Scientific notation
2.1859897 × 10^7
Engineering notation
2.1859897 × 10^6
Prime Factorization
21859897
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21859897 Product of the distinct prime numbers
The prime factorization of 21859897 is 21859897.
Since it has a total of 1 prime factors.
8 , 8 , 18 , 37 , 89 , 455 , 1998 , 4815 , 83756 , 2635 , 351132 , 268015 , 5963609 , 4766046 , 33150112 , 64905920 , 107806029 , 845215737 , 1625397166 , 1931191088
n×2
43719794
n×3
65579691
n×4
87439588
n×5
109299485
n÷2
10929948.5
n÷3
7286632.3333333
n÷3
5464974.25
n÷5
4371979.4
n2
477855096850609
n3
1.0445863198079E+22
n4
2.283454935861E+29
n5
4.9916089702064E+36
2 √n4675.456876071
3 √n279.60785666723
4 √n68.377312582984
5 √n29.371736422449
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21859898 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10929949 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4675.4569830125 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999085083 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21859897 can be divided by 2 positive divisors.
The sum of these divisors (counting 21859897) is 21859898, the average is 10929949.
Base
System
Value
2
Binary
1010011011000111000111001
3
Ternary
1112010121010211
4
Quaternary
1103120320321
5
Quinary
21044004042
6
Senary
2100311121
8
Octal
123307071
10
Decimal
21859897
12
Duodecimal
73a24a1
16
Hexadecimal
14d8e39
20
Vigesimal
6gc9eh
36
Base36
d0j7d
md5
55882189fbfdc4dc1071982ceb110457
sha1
7fc5f95d391504864bd92d369851b5fd1997f2b3
sha256
80dc77cf3d703cd8e6b289b8b76e952ae5a68fdfe1427db822b520beb72000df
sha512
6b7c10f660278c3a1fd532d58c88f43a0babcc4ba3a23ba018624a22b6719545e504080e0cb4432bf7becd440d6a141b42b339c9f33a8a00aa9fe6c0d65e7607
ripemd-160
582d69b383ffa9beac929598bdde05176ee7d69d
Diameter
43719794
Circumference
137349783.64686
Area
1.5012260617463E+15
Volume
4.3755529444653E+22
Surface area
6.0049042469852E+15
Circumference
137349783.64686
Perimeter
87439588
Area
477855096850609
Diagonal
30914562.809479
Surface area
2867130581103654
Volume
1.0445863198079E+22
Space diagonal
37862452.252222
Perimeter
65579691
Area
2.0691732660025E+14
Altitude
18931226.126111
Surface area
2.0691732660025E+14
Volume
1.2310567837848E+21
Height
10304854.269826