20487250 is an even 8-digits composite number following 20487249
and preceding 20487251 . In scientific notation, it is written as 2.0487250 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 6705600 positive integers (up to 20487250) that are relatively prime to 20487250.
20487250 has 32 divisors, whose sum is 38776320
The reverse of 20487250 is 05278402
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred eighty-seven thousand two hundred fifty
Scientific notation
2.0487250 × 10^7
Engineering notation
2.0487250 × 10^6
Prime Factorization
2 × 5 × 175 × 23 × 509
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20487250
Product of the distinct prime numbers
The prime factorization of 20487250 is 2 × 5 × 175 × 23 × 509.
Since it has a total of 5 prime factors.
3 , 8 , 86 , 39 , 724 , 594 , 6693 , 124 , 21989 , 48359 , 137957 , 656648 , 428079 , 6342351 , 65156939 , 69158083 , 82297486 , 109161735 , 7625605885 , 1681524554
n×2
40974500
n×3
61461750
n×4
81949000
n×5
102436250
n÷2
10243625
n÷3
6829083.3333333
n÷3
5121812.5
n÷5
4097450
n2
419727412562500
n3
8.5990604330211E+21
n4
1.7617110085641E+29
n5
3.6092613860205E+36
2 √n
4526.284348116
3 √n
273.6284323615
4 √n
67.277666042425
5 √n
28.993238855175
1 , 2 , 5 , 10 , 23 , 46 , 115 , 175 , 230 , 350 , 509 , 875 , 1018 , 1750 , 2545 , 4025 , 5090 , 8050 , 11707 , 20125 , 23414 , 40250 , 58535 , 89075 , 117070 , 178150 , 445375 , 890750 , 2048725 , 4097450 , 10243625 , 20487250
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
-20487249
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 20487250 can be divided by 32 positive divisors.
The sum of these divisors (counting 20487250) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110001001110001010010
3
Ternary
1102112212020001
4
Quaternary
1032021301102
5
Quinary
20221043000
6
Senary
2011040214
8
Octal
116116122
10
Decimal
20487250
12
Duodecimal
6a4006a
16
Hexadecimal
1389c52
20
Vigesimal
680i2a
36
Base36
c742a
md5
0765e090e9803a4720a115d8f27e02be
sha1
f098582efde46a7b3c0e4e7058c21426e9128565
sha256
68ad2e762077f55c9dc072b0d903746d8129a355519f8061d9dc756bb8e90a25
sha512
2739bf12c3848efa543112b8ba33480aae4aa512dea874101e8dab3d1b8f2e31eae4413a8895af2818546ca475850f39372c1a5b59579dce7a879961a04838a1
ripemd-160
33241dd34fca4e393bac38569b126f957c716a72
Diameter
40974500
Circumference
128725188.18451
Area
1.3186125558166E+15
Volume
3.6019660112205E+22
Surface area
5.2744502232664E+15
Circumference
128725188.18451
Perimeter
81949000
Area
419727412562500
Diagonal
28973346.805728
Surface area
2518364475375000
Volume
8.5990604330211E+21
Space diagonal
35484957.907365
Perimeter
61461750
Area
1.8174730097192E+14
Altitude
17742478.953683
Surface area
1.8174730097192E+14
Volume
1.0134089906704E+21
Height
9657782.2685761