20453990 is an even 8-digits composite number following 20453989
and preceding 20453991 . In scientific notation, it is written as 2.0453990 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors.
There are 7840000 positive integers (up to 20453990) that are relatively prime to 20453990.
20453990 has 32 divisors, whose sum is 38374560
The reverse of 20453990 is 09935402
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million four hundred fifty-three thousand nine hundred ninety
Scientific notation
2.0453990 × 10^7
Engineering notation
2.0453990 × 10^6
Prime Factorization
2 × 5 × 29 × 251 × 281
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20453990
Product of the distinct prime numbers
The prime factorization of 20453990 is 2 × 5 × 29 × 251 × 281.
Since it has a total of 5 prime factors.
10 , 2 , 46 , 4 , 959 , 638 , 7107 , 8825 , 29846 , 6111 , 926034 , 930225 , 6099580 , 9859258 , 71524583 , 5093723 , 639176259 , 836146432 , 158584586 , 7353490618
n×2
40907980
n×3
61361970
n×4
81815960
n×5
102269950
n÷2
10226995
n÷3
6817996.6666667
n÷3
5113497.5
n÷5
4090798
n2
418365706920100
n3
8.5572479856867E+21
n4
1.7502986472676E+29
n5
3.5800591028224E+36
2 √n
4522.608760439
3 √n
273.48027824865
4 √n
67.250343942905
5 √n
28.983818928719
1 , 2 , 5 , 10 , 29 , 58 , 145 , 251 , 281 , 290 , 502 , 562 , 1255 , 1405 , 2510 , 2810 , 7279 , 8149 , 14558 , 16298 , 36395 , 40745 , 70531 , 72790 , 81490 , 141062 , 352655 , 705310 , 2045399 , 4090798 , 10226995 , 20453990
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20453989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20453990 can be divided by 32 positive divisors.
The sum of these divisors (counting 20453990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110000001101001100110
3
Ternary
1102111011121012
4
Quaternary
1032001221212
5
Quinary
20214011430
6
Senary
2010222222
8
Octal
116015146
10
Decimal
20453990
12
Duodecimal
6a24972
16
Hexadecimal
1381a66
20
Vigesimal
67geja
36
Base36
c6eee
md5
8dde718dc346411ad29a3320ff1e5b18
sha1
91371e20318fd674ce473fdf8fde4cc6f6cd3a9b
sha256
969dad8ed372b70633fa0800290b5a23c5d4bc2bde21c59fbc046a4455d50efa
sha512
63ef8b562ccafc4e8704776a125829b4a486d787563d7346673093156632356cfd98cdb9bff167cd613264ad0c7faba3e64d7ca7aeb3443e07691829cf7fad9c
ripemd-160
af0ad1682ee623931b101f25ff2219ee1f4fe1b0
Diameter
40907980
Circumference
128516209.4412
Area
1.3143346313741E+15
Volume
3.5844516542372E+22
Surface area
5.2573385254963E+15
Circumference
128516209.4412
Perimeter
81815960
Area
418365706920100
Diagonal
28926310.062644
Surface area
2510194241520600
Volume
8.5572479856867E+21
Space diagonal
35427349.897506
Perimeter
61361970
Area
1.8115766513252E+14
Altitude
17713674.948753
Surface area
1.8115766513252E+14
Volume
1.0084813464957E+21
Height
9642103.3542146