20455749 is an odd 8-digits composite number following 20455748
and preceding 20455750 . In scientific notation, it is written as 2.0455749 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 13637160 positive integers (up to 20455749) that are relatively prime to 20455749.
20455749 has 4 divisors, whose sum is 22728620
The reverse of 20455749 is 94755402
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million four hundred fifty-five thousand seven hundred forty-nine
Scientific notation
2.0455749 × 10^7
Engineering notation
2.0455749 × 10^6
Prime Factorization
9 × 2272861
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20455749
Product of the distinct prime numbers
The prime factorization of 20455749 is 9 × 2272861.
Since it has a total of 2 prime factors.
6 , 6 , 36 , 99 , 224 , 944 , 6840 , 530 , 99514 , 70475 , 20424 , 705111 , 5533271 , 4832575 , 44073473 , 45144715 , 965956609 , 491796863 , 2999011011 , 6754851853
n×2
40911498
n×3
61367247
n×4
81822996
n×5
102278745
n÷2
10227874.5
n÷3
6818583
n÷3
5113937.25
n÷5
4091149.8
n2
418437667151001
n3
8.5594558913864E+21
n4
1.7509008129077E+29
n5
3.5815987552736E+36
2 √n
4522.8032236656
3 √n
273.48811759964
4 √n
67.251789743215
5 √n
28.984317421031
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20455748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20455749 can be divided by 4 positive divisors.
The sum of these divisors (counting 20455749) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000010000101000101
3
Ternary
1102111021000100
4
Quaternary
1032002011011
5
Quinary
20214040444
6
Senary
2010234313
8
Octal
116020505
10
Decimal
20455749
12
Duodecimal
6a25999
16
Hexadecimal
1382145
20
Vigesimal
67gj79
36
Base36
c6fr9
md5
69ff35b3ac82221edb5093945c13b4f5
sha1
2b683340877793d1b52e8ddbed1fa111959cde72
sha256
9cc7509d2881ccc30669f451b99d768bdcbb26d2b5beda309a51015be76319c5
sha512
79e7d5d92fb92a268b3b988958c48620a6b949d955ca7eb38f49578878941e66c8d4783f5fb4b771dd6354a13df96c6a77eab6fc243215329ac0b924f86be5e7
ripemd-160
581bbbbe0a70ec95c1d59b862c15c391addc0118
Diameter
40911498
Circumference
128527261.56415
Area
1.3145607011068E+15
Volume
3.5853764996141E+22
Surface area
5.2582428044273E+15
Circumference
128527261.56415
Perimeter
81822996
Area
418437667151001
Diagonal
28928797.6643
Surface area
2510626002906006
Volume
8.5594558913864E+21
Space diagonal
35430396.574876
Perimeter
61367247
Area
1.8118882482653E+14
Altitude
17715198.287438
Surface area
1.8118882482653E+14
Volume
1.0087415506777E+21
Height
9642932.5547666