21454906 is an even 8-digits composite number following 21454905
and preceding 21454907 . In scientific notation, it is written as 2.1454906 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors.
There are 9218880 positive integers (up to 21454906) that are relatively prime to 21454906.
21454906 has 32 divisors, whose sum is 37065600
The reverse of 21454906 is 60945412
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred fifty-four thousand nine hundred six
Scientific notation
2.1454906 × 10^7
Engineering notation
2.1454906 × 10^6
Prime Factorization
2 × 11 × 23 × 109 × 389
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21454906
Product of the distinct prime numbers
The prime factorization of 21454906 is 2 × 11 × 23 × 109 × 389.
Since it has a total of 5 prime factors.
5 , 9 , 78 , 13 , 503 , 941 , 7466 , 661 , 56735 , 85673 , 902716 , 651264 , 5389419 , 6518302 , 82209075 , 96268375 , 797488904 , 799353679 , 6030610233 , 3664680372
n×2
42909812
n×3
64364718
n×4
85819624
n×5
107274530
n÷2
10727453
n÷3
7151635.3333333
n÷3
5363726.5
n÷5
4290981.2
n2
460312991468836
n3
9.8759719625427E+21
n4
2.1188805011499E+29
n5
4.5460381977404E+36
2 √n
4631.9440842912
3 √n
277.8703482523
4 √n
68.058387317738
5 √n
29.262088753859
1 , 2 , 11 , 22 , 23 , 46 , 109 , 218 , 253 , 389 , 506 , 778 , 1199 , 2398 , 2507 , 4279 , 5014 , 8558 , 8947 , 17894 , 27577 , 42401 , 55154 , 84802 , 98417 , 196834 , 466411 , 932822 , 975223 , 1950446 , 10727453 , 21454906
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21454905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21454906 can be divided by 32 positive divisors.
The sum of these divisors (counting 21454906) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001110110000000111010
3
Ternary
1111101000121011
4
Quaternary
1101312000322
5
Quinary
20443024111
6
Senary
2043504134
8
Octal
121660072
10
Decimal
21454906
12
Duodecimal
722804a
16
Hexadecimal
147603a
20
Vigesimal
6e1h56
36
Base36
crupm
md5
e9fff9f2c4cf06d40a171c87c4a69f3e
sha1
18131a77a9d6510911007234fc050c18bc9a901f
sha256
e43871420b57720244d8117b53c5518dcb4616e8ef6afb7af83745dd61541e3c
sha512
d77252b2cf2bb9981476c96cebae0cc68a20c4828ede4737b2c8fe63fb9a2ddafbd747e2bbcec452129aa2b4ec6533ee02575d4ede3a112f4f3e165bccb97c43
ripemd-160
ab650dad5d5200cb1942075751bb0f95ea84e7a5
Diameter
42909812
Circumference
134805150.14612
Area
1.4461159123504E+15
Volume
4.1368374619444E+22
Surface area
5.7844636494017E+15
Circumference
134805150.14612
Perimeter
85819624
Area
460312991468836
Diagonal
30341819.04464
Surface area
2761877948813016
Volume
9.8759719625427E+21
Space diagonal
37160987.263614
Perimeter
64364718
Area
1.9932137215201E+14
Altitude
18580493.631807
Surface area
1.9932137215201E+14
Volume
1.163894457587E+21
Height
10113939.681547