20145623 is an odd 8-digits composite number following 20145622
and preceding 20145624 . In scientific notation, it is written as 2.0145623 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 20136600 positive integers (up to 20145623) that are relatively prime to 20145623.
20145623 has 4 divisors, whose sum is 20154648
The reverse of 20145623 is 32654102
Previous prime number is 4973
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred forty-five thousand six hundred twenty-three
Scientific notation
2.0145623 × 10^7
Engineering notation
2.0145623 × 10^6
Prime Factorization
4973 × 4051
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145623
Product of the distinct prime numbers
The prime factorization of 20145623 is 4973 × 4051.
Since it has a total of 2 prime factors.
5 , 3 , 69 , 55 , 979 , 477 , 9003 , 3102 , 29233 , 79414 , 391600 , 326033 , 550997 , 212701 , 73862659 , 58606605 , 276122301 , 910437167 , 3806390359 , 6052645062
n×2
40291246
n×3
60436869
n×4
80582492
n×5
100728115
n÷2
10072811.5
n÷3
6715207.6666667
n÷3
5036405.75
n÷5
4029124.6
n2
405846126058129
n3
8.1760230515775E+21
n4
1.6471107803639E+29
n5
3.3182072820447E+36
2 √n
4488.3875723917
3 √n
272.09897187661
4 √n
66.995429488822
5 √n
28.895894331824
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
-20145622
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 20145623 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145623) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110010111010111
3
Ternary
1101220111121012
4
Quaternary
1030312113113
5
Quinary
20124124443
6
Senary
1555442435
8
Octal
114662727
10
Decimal
20145623
12
Duodecimal
68b641b
16
Hexadecimal
13365d7
20
Vigesimal
65i413
36
Base36
bzsgn
md5
da39b43856430c8c5e053c565c5c50e5
sha1
7754b30772e271b9214ed7bfb10775ae2b7dd9ae
sha256
262ed4ed0bffe3e37e1a1939d5733e9b2ba9b602a505cf0033694d226bf16476
sha512
197792443782ab5054f904871eb81a38bcf9fc6030e5a4fb32cff18b8178c9f18906054e6fa2a8cb776175be7763be90a5790d9ced13440b260bfd8f558eaa90
ripemd-160
28af7b60f1d2d7889a5af1df6084a319a62bc835
Diameter
40291246
Circumference
126578682.43758
Area
1.2750032081121E+15
Volume
3.4247645272556E+22
Surface area
5.1000128324484E+15
Circumference
126578682.43758
Perimeter
80582492
Area
405846126058129
Diagonal
28490213.269055
Surface area
2435076756348774
Volume
8.1760230515775E+21
Space diagonal
34893242.586128
Perimeter
60436869
Area
1.7573652759692E+14
Altitude
17446621.293064
Surface area
1.7573652759692E+14
Volume
9.6355355715134E+20
Height
9496737.7563518