21490859 is an odd 8-digits composite number following 21490858
and preceding 21490860 . In scientific notation, it is written as 2.1490859 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 19802016 positive integers (up to 21490859) that are relatively prime to 21490859.
21490859 has 8 divisors, whose sum is 23185680
The reverse of 21490859 is 95809412
Previous prime number is 2237
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety thousand eight hundred fifty-nine
Scientific notation
2.1490859 × 10^7
Engineering notation
2.1490859 × 10^6
Prime Factorization
13 × 2237 × 739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21490859
Product of the distinct prime numbers
The prime factorization of 21490859 is 13 × 2237 × 739.
Since it has a total of 3 prime factors.
4 , 3 , 92 , 96 , 818 , 838 , 2865 , 3305 , 12439 , 61795 , 203627 , 546370 , 90415 , 7453226 , 99189875 , 73633163 , 734122541 , 37912518 , 6018085349 , 9628808577
n×2
42981718
n×3
64472577
n×4
85963436
n×5
107454295
n÷2
10745429.5
n÷3
7163619.6666667
n÷3
5372714.75
n÷5
4298171.8
n2
461857020557881
n3
9.9257041069695E+21
n4
2.133119074386E+29
n5
4.5842561257841E+36
2 √n
4635.823443575
3 √n
278.02547512522
4 √n
68.086881582101
5 √n
29.27188935975
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
-21490858
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 21490859 can be divided by 8 positive divisors.
The sum of these divisors (counting 21490859) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111110110010101011
3
Ternary
1111102211220202
4
Quaternary
1101332302223
5
Quinary
21000201414
6
Senary
2044342415
8
Octal
121766253
10
Decimal
21490859
12
Duodecimal
7244a0b
16
Hexadecimal
147ecab
20
Vigesimal
6e672j
36
Base36
csmgb
md5
92dcf68bd169a59aab323ff92ae0dfb1
sha1
78d13637145e0b92f0736574d5f96ac03c824833
sha256
d50bf812736e3495d9f6a799828645260764ccf46ab7dfe29287fd85f401e312
sha512
9179262e045091e98591de06a7b833586d2e1d7dc6621ec1974457df0253fbc0934a2912d4702a045e82be673617d583a45ad93f400f2230d58bbbb0d24eb4aa
ripemd-160
b62882bd90506b1665e4352c0ede0fb0b39a4cdf
Diameter
42981718
Circumference
135031049.50747
Area
1.4509666227935E+15
Volume
4.1576692138882E+22
Surface area
5.803866491174E+15
Circumference
135031049.50747
Perimeter
85963436
Area
461857020557881
Diagonal
30392664.264848
Surface area
2771142123347286
Volume
9.9257041069695E+21
Space diagonal
37223259.686299
Perimeter
64472577
Area
1.9998995635966E+14
Altitude
18611629.843149
Surface area
1.9998995635966E+14
Volume
1.1697554470149E+21
Height
10130888.088283