21088897 is an odd 8-digits composite number following 21088896
and preceding 21088898 . In scientific notation, it is written as 2.1088897 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 20126880 positive integers (up to 21088897) that are relatively prime to 21088897.
21088897 has 8 divisors, whose sum is 22069760
The reverse of 21088897 is 79888012
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million eighty-eight thousand eight hundred ninety-seven
Scientific notation
2.1088897 × 10^7
Engineering notation
2.1088897 × 10^6
Prime Factorization
31 × 73 × 9319
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21088897
Product of the distinct prime numbers
The prime factorization of 21088897 is 31 × 73 × 9319.
Since it has a total of 3 prime factors.
9 , 10 , 30 , 76 , 244 , 116 , 7570 , 1435 , 54716 , 93868 , 75202 , 968389 , 2285174 , 7850965 , 42875785 , 528279 , 304766392 , 760027028 , 34910086 , 532671797
n×2
42177794
n×3
63266691
n×4
84355588
n×5
105444485
n÷2
10544448.5
n÷3
7029632.3333333
n÷3
5272224.25
n÷5
4217779.4
n2
444741576676609
n3
9.3791093021506E+21
n4
1.977950700248E+29
n5
4.1712798588607E+36
2 √n
4592.2649096062
3 √n
276.2811713152
4 √n
67.766251996153
5 √n
29.161561359861
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21088896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21088897 can be divided by 8 positive divisors.
The sum of these divisors (counting 21088897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011100101010000001
3
Ternary
1110200102112021
4
Quaternary
1100130222001
5
Quinary
20344321042
6
Senary
2032001441
8
Octal
120345201
10
Decimal
21088897
12
Duodecimal
7090281
16
Hexadecimal
141ca81
20
Vigesimal
6bg24h
36
Base36
ck0ap
md5
a2d048513c193de99f440ebe49b4fec0
sha1
9579616a5f1d97045ca691691ab097afd6b6aa00
sha256
e86abebe4c875d1d27b4c5dba6219b20d6a98a2b4e5772295affa2c41c0b97e9
sha512
b77389542f0c3967c587d7cc7ecc4b6ce63a6513e7661ae6a14d6451a9ee57e57c51a4ba3cd39803f8c0493768ac5e6ed446ba59f1d1a6936129ca755eeeac83
ripemd-160
7a71a707221da0912c4913b1de9d5906a80a1578
Diameter
42177794
Circumference
132505447.77502
Area
1.3971968700332E+15
Volume
3.9287121174469E+22
Surface area
5.5887874801327E+15
Circumference
132505447.77502
Perimeter
84355588
Area
444741576676609
Diagonal
29824204.152889
Surface area
2668449460059654
Volume
9.3791093021506E+21
Space diagonal
36527041.079587
Perimeter
63266691
Area
1.9257875176054E+14
Altitude
18263520.539793
Surface area
1.9257875176054E+14
Volume
1.1053386315068E+21
Height
9941401.3842964