21551898 is an even 8-digits composite number following 21551897
and preceding 21551899 . In scientific notation, it is written as 2.1551898 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 7173840 positive integers (up to 21551898) that are relatively prime to 21551898.
21551898 has 16 divisors, whose sum is 43164576
The reverse of 21551898 is 89815512
Previous prime number is 853
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million five hundred fifty-one thousand eight hundred ninety-eight
Scientific notation
2.1551898 × 10^7
Engineering notation
2.1551898 × 10^6
Prime Factorization
2 × 3 × 853 × 4211
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21551898
Product of the distinct prime numbers
The prime factorization of 21551898 is 2 × 3 × 853 × 4211.
Since it has a total of 4 prime factors.
5 , 9 , 47 , 55 , 947 , 760 , 1562 , 4220 , 12103 , 11882 , 874748 , 865566 , 9713650 , 3467293 , 82257412 , 72100400 , 923526578 , 799297172 , 5701021705 , 7641442421
n×2
43103796
n×3
64655694
n×4
86207592
n×5
107759490
n÷2
10775949
n÷3
7183966
n÷3
5387974.5
n÷5
4310379.6
n2
464484307402404
n3
1.0010518415737E+22
n4
2.1574567182309E+29
n5
4.6497287130727E+36
2 √n
4642.4021799064
3 √n
278.28844515766
4 √n
68.135175789796
5 √n
29.288498285622
1 , 2 , 3 , 6 , 853 , 1706 , 2559 , 4211 , 5118 , 8422 , 12633 , 25266 , 3591983 , 7183966 , 10775949 , 21551898
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
-21551897
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 21551898 can be divided by 16 positive divisors.
The sum of these divisors (counting 21551898) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101101100011010
3
Ternary
1111112221122110
4
Quaternary
1102031230122
5
Quinary
21004130043
6
Senary
2045533150
8
Octal
122155432
10
Decimal
21551898
12
Duodecimal
72741b6
16
Hexadecimal
148db1a
20
Vigesimal
6edjei
36
Base36
ctxju
md5
e26c608dcdf9c6d59e09a29b0e74b327
sha1
079181e0ff470185bcb990dc8600723ba8505645
sha256
c9db98617a33bd9a6a92fceb28567b1a592000e304bc32d465c666c6fef6786d
sha512
744b384190a9146a9e58f8424581a8e5308789e3f5baf26d039c9b2d7cf264d207c2b1c215eb8eb21e346d39bdf41635e19eac7bd7c57be8f3e0da634478d79b
ripemd-160
d822f6c34b8749f6e47fb19927676cec2077463f
Diameter
43103796
Circumference
135414568.85543
Area
1.4592204878431E+15
Volume
4.1931961484674E+22
Surface area
5.8368819513725E+15
Circumference
135414568.85543
Perimeter
86207592
Area
464484307402404
Diagonal
30478986.446482
Surface area
2786905844414424
Volume
1.0010518415737E+22
Space diagonal
37328982.335542
Perimeter
64655694
Area
2.0112760493485E+14
Altitude
18664491.167771
Surface area
2.0112760493485E+14
Volume
1.1797509091601E+21
Height
10159662.148827