21054907 is an odd 8-digits composite number following 21054906
and preceding 21054908 . In scientific notation, it is written as 2.1054907 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 19482120 positive integers (up to 21054907) that are relatively prime to 21054907.
21054907 has 8 divisors, whose sum is 22679360
The reverse of 21054907 is 70945012
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million fifty-four thousand nine hundred seven
Scientific notation
2.1054907 × 10^7
Engineering notation
2.1054907 × 10^6
Prime Factorization
43 × 19 × 25771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21054907
Product of the distinct prime numbers
The prime factorization of 21054907 is 43 × 19 × 25771.
Since it has a total of 3 prime factors.
1 , 7 , 44 , 52 , 70 , 551 , 5543 , 1836 , 59878 , 21418 , 900699 , 492984 , 4342891 , 2918335 , 22991296 , 67855836 , 785322999 , 169198625 , 1067984718 , 6461114543
n×2
42109814
n×3
63164721
n×4
84219628
n×5
105274535
n÷2
10527453.5
n÷3
7018302.3333333
n÷3
5263726.75
n÷5
4210981.4
n2
443309108778649
n3
9.3338320575873E+21
n4
1.9652296592612E+29
n5
4.1377727709386E+36
2 √n
4588.5626289722
3 √n
276.13265956932
4 √n
67.738929936722
5 √n
29.152155072597
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
-21054906
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 21054907 can be divided by 8 positive divisors.
The sum of these divisors (counting 21054907) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010100010110111011
3
Ternary
1110121200220101
4
Quaternary
1100110112323
5
Quinary
20342224112
6
Senary
2031140231
8
Octal
120242673
10
Decimal
21054907
12
Duodecimal
7074677
16
Hexadecimal
14145bb
20
Vigesimal
6bbh57
36
Base36
cja2j
md5
54242ecca9961617e001babc7a915088
sha1
8b06819764fe6d142a72403a5f7730eaa1d36e57
sha256
588a25ef949a68f07b1f09a436d0587733017d7fc5937e32d015057f8cb474ad
sha512
a6b3ecd9a8fdccc25d71c9348effe197d22e055145456dbf98bd69dcab384448cde93922325e23128d1be8a095cb318eaad3ff5b388443791844fd17f921f288
ripemd-160
4a99776a74fcaf97d7cdd3d534ce9e5629782618
Diameter
42109814
Circumference
132291882.30643
Area
1.3926966394084E+15
Volume
3.9097464295943E+22
Surface area
5.5707865576338E+15
Circumference
132291882.30643
Perimeter
84219628
Area
443309108778649
Diagonal
29776135.033904
Surface area
2659854652671894
Volume
9.3338320575873E+21
Space diagonal
36468168.672638
Perimeter
63164721
Area
1.9195847496567E+14
Altitude
18234084.336319
Surface area
1.9195847496567E+14
Volume
1.1000026570627E+21
Height
9925378.3446347