20999729 is an odd 8-digits prime number following 20999728
and preceding 20999730 . In scientific notation, it is written as 2.0999729 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 20999728 positive integers (up to 20999729) that are relatively prime to 20999729.
20999729 has 2 divisors, whose sum is 20999730
The reverse of 20999729 is 92799902
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million nine hundred ninety-nine thousand seven hundred twenty-nine
Scientific notation
2.0999729 × 10^7
Engineering notation
2.0999729 × 10^6
Prime Factorization
20999729
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20999729
Product of the distinct prime numbers
The prime factorization of 20999729 is 20999729.
Since it has a total of 1 prime factors.
5 , 5 , 47 , 12 , 524 , 626 , 4315 , 2665 , 78241 , 11066 , 539329 , 151935 , 7357742 , 4031851 , 20506963 , 92575302 , 26345383 , 997746869 , 8926689970 , 4165334499
n×2
41999458
n×3
62999187
n×4
83998916
n×5
104998645
n÷2
10499864.5
n÷3
6999909.6666667
n÷3
5249932.25
n÷5
4199945.8
n2
440988618073441
n3
9.2606414716268E+21
n4
1.9447096127032E+29
n5
4.0838374850463E+36
2 √n
4582.5461263363
3 √n
275.89123085769
4 √n
67.694505879992
5 √n
29.136859384333
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20999730
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10499865
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4582.546235446
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999047607
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20999729 can be divided by 2 positive divisors.
The sum of these divisors (counting 20999729) is 20999730, the average is 10499865.
Base
System
Value
2
Binary
1010000000110111000110001
3
Ternary
1110111220012202
4
Quaternary
1100012320301
5
Quinary
20333442404
6
Senary
2030032545
8
Octal
120067061
10
Decimal
20999729
12
Duodecimal
7048755
16
Hexadecimal
1406e31
20
Vigesimal
6b4j69
36
Base36
ci3ht
md5
59406de6826ecc8d6f8bbc4039b52cc3
sha1
2e51a680d6c5bcfb7eaba26d891a5e358bb0451d
sha256
889b46e1681a779a740a44f30d283207a27b3286e16327a5503051e129c31683
sha512
6c1a33c76b65f97bda7cbb4ef98808870f4620f5c046f531a302646062e958f1c2848f04e4a3dbf8331314151d46d55c703baefddd244d61c8a9da9abee1ad37
ripemd-160
626c3219af9951140bad770b8dd44557de07bf7c
Diameter
41999458
Circumference
131945188.70755
Area
1.3854066028562E+15
Volume
3.8790884286389E+22
Surface area
5.5416264114249E+15
Circumference
131945188.70755
Perimeter
83998916
Area
440988618073441
Diagonal
29698101.55796
Surface area
2645931708440646
Volume
9.2606414716268E+21
Space diagonal
36372597.573178
Perimeter
62999187
Area
1.909536730157E+14
Altitude
18186298.786589
Surface area
1.909536730157E+14
Volume
1.0913770637874E+21
Height
9899367.1859865