21697468 is an even 8-digits composite number following 21697467
and preceding 21697469 . In scientific notation, it is written as 2.1697468 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 9486720 positive integers (up to 21697468) that are relatively prime to 21697468.
21697468 has 24 divisors, whose sum is 43045520
The reverse of 21697468 is 86479612
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million six hundred ninety-seven thousand four hundred sixty-eight
Scientific notation
2.1697468 × 10^7
Engineering notation
2.1697468 × 10^6
Prime Factorization
2 × 2 × 13 × 19 × 21961
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10848734
Product of the distinct prime numbers
The prime factorization of 21697468 is 2 × 2 × 13 × 19 × 21961.
Since it has a total of 5 prime factors.
3 , 8 , 90 , 36 , 963 , 484 , 2296 , 5867 , 43617 , 62249 , 337644 , 841289 , 5948057 , 1929534 , 78153070 , 52159605 , 679002784 , 301899684 , 9412493418 , 2500210598
n×2
43394936
n×3
65092404
n×4
86789872
n×5
108487340
n÷2
10848734
n÷3
7232489.3333333
n÷3
5424367
n÷5
4339493.6
n2
470780117611024
n3
1.0214736536901E+22
n4
2.2163391913785E+29
n5
4.8088948682081E+36
2 √n
4658.0541001581
3 √n
278.9135963136
4 √n
68.249938462669
5 √n
29.327957029751
1 , 2 , 4 , 13 , 19 , 26 , 38 , 52 , 76 , 247 , 494 , 988 , 21961 , 43922 , 87844 , 285493 , 417259 , 570986 , 834518 , 1141972 , 1669036 , 5424367 , 10848734 , 21697468
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21697467
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21697468 can be divided by 24 positive divisors.
The sum of these divisors (counting 21697468) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010110001001110111100
3
Ternary
1111211100022221
4
Quaternary
1102301032330
5
Quinary
21023304333
6
Senary
2053015124
8
Octal
122611674
10
Decimal
21697468
12
Duodecimal
73244a4
16
Hexadecimal
14b13bc
20
Vigesimal
6fc3d8
36
Base36
cx1vg
md5
9f22ce92fa2e19b691bc1975d5487b64
sha1
1bdf0f7cb31b8524802cff4e8cdfa1805ad1dc39
sha256
74cc230a474b30ca13aa781ba780bb0216199426d226d830f7e2a94a67c0d67c
sha512
20313b9512398e03d1ab2652949e797dfd685af0c96c4bdff22469fbf6f250a1dc7655d3ca9a3535f06617f692cd69be61ebf02cfbd3cc4ea9f0737efe655825
ripemd-160
0bc774b2d0dd3c273d33cfc485d9bbb03cc07592
Diameter
43394936
Circumference
136329212.1406
Area
1.4789993589429E+15
Volume
4.2787388350246E+22
Surface area
5.9159974357717E+15
Circumference
136329212.1406
Perimeter
86789872
Area
470780117611024
Diagonal
30684853.514756
Surface area
2824680705666144
Volume
1.0214736536901E+22
Space diagonal
37581116.9716
Perimeter
65092404
Area
2.0385377072389E+14
Altitude
18790558.4858
Surface area
2.0385377072389E+14
Volume
1.2038182455462E+21
Height
10228284.504919