21031554 is an even 8-digits composite number following 21031553
and preceding 21031555 . In scientific notation, it is written as 2.1031554 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6768720 positive integers (up to 21031554) that are relatively prime to 21031554.
21031554 has 16 divisors, whose sum is 43513920
The reverse of 21031554 is 45513012
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million thirty-one thousand five hundred fifty-four
Scientific notation
2.1031554 × 10^7
Engineering notation
2.1031554 × 10^6
Prime Factorization
2 × 3 × 29 × 120871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21031554
Product of the distinct prime numbers
The prime factorization of 21031554 is 2 × 3 × 29 × 120871.
Since it has a total of 4 prime factors.
3 , 3 , 62 , 20 , 874 , 892 , 495 , 9493 , 5212 , 73830 , 38559 , 210745 , 8347493 , 7868388 , 55517581 , 90830952 , 180597817 , 581816049 , 9674507243 , 5514897312
n×2
42063108
n×3
63094662
n×4
84126216
n×5
105157770
n÷2
10515777
n÷3
7010518
n÷3
5257888.5
n÷5
4206310.8
n2
442326263654916
n3
9.3028086996766E+21
n4
1.9565252351892E+29
n5
4.1148766136244E+36
2 √n
4586.0172263087
3 √n
276.03053117408
4 √n
67.720139000955
5 √n
29.145685392941
1 , 2 , 3 , 6 , 29 , 58 , 87 , 174 , 120871 , 241742 , 362613 , 725226 , 3505259 , 7010518 , 10515777 , 21031554
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031553
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031554 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031554) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110101010000010
3
Ternary
1110120111212110
4
Quaternary
1100032222002
5
Quinary
20341002204
6
Senary
2030440150
8
Octal
120165202
10
Decimal
21031554
12
Duodecimal
7063056
16
Hexadecimal
140ea82
20
Vigesimal
6b8ihe
36
Base36
cis1u
md5
c2ea68b4ac47cd8379ade0313cf253e8
sha1
3b1c0b83895b1eefc1c89dc7bc7d92e223b88115
sha256
b3a675585b5bfac82986b83ec7f769751c6010951ab073de43acea3e00467f88
sha512
88c8bbfd19602dcd1eeaf202542970adecc4c64ead3e4b87df8d22f1f620c7d22e6df4a1c0a855431c7801a96b54569fd1f33257ad66790361fbdb8c08b7572f
ripemd-160
a42f7d41312ec172b845ece2fb9c08567a81700e
Diameter
42063108
Circumference
132145151.07995
Area
1.3896089403881E+15
Volume
3.8967513958207E+22
Surface area
5.5584357615524E+15
Circumference
132145151.07995
Perimeter
84126216
Area
442326263654916
Diagonal
29743108.904582
Surface area
2653957581929496
Volume
9.3028086996766E+21
Space diagonal
36427720.090128
Perimeter
63094662
Area
1.9153289054311E+14
Altitude
18213860.045064
Surface area
1.9153289054311E+14
Volume
1.0963465192704E+21
Height
9914369.6348607