20138757 is an odd 8-digits composite number following 20138756
and preceding 20138758 . In scientific notation, it is written as 2.0138757 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13347888 positive integers (up to 20138757) that are relatively prime to 20138757.
20138757 has 8 divisors, whose sum is 27007584
The reverse of 20138757 is 75783102
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred thirty-eight thousand seven hundred fifty-seven
Scientific notation
2.0138757 × 10^7
Engineering notation
2.0138757 × 10^6
Prime Factorization
3 × 173 × 38803
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138757
Product of the distinct prime numbers
The prime factorization of 20138757 is 3 × 173 × 38803.
Since it has a total of 3 prime factors.
4 , 5 , 70 , 13 , 534 , 913 , 7765 , 4100 , 94048 , 32605 , 204168 , 136884 , 5919462 , 8403832 , 75530015 , 20308009 , 363913976 , 951728915 , 2082036762 , 2368392259
n×2
40277514
n×3
60416271
n×4
80555028
n×5
100693785
n÷2
10069378.5
n÷3
6712919
n÷3
5034689.25
n÷5
4027751.4
n2
405569533505049
n3
8.1676662818615E+21
n4
1.644866465075E+29
n5
3.3125566037595E+36
2 √n
4487.6226445636
3 √n
272.06805624755
4 √n
66.989720439509
5 √n
28.89392441247
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138756
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138757 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138757) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100101100000101
3
Ternary
1101220011011220
4
Quaternary
1030310230011
5
Quinary
20123420012
6
Senary
1555350553
8
Octal
114645405
10
Decimal
20138757
12
Duodecimal
68b2459
16
Hexadecimal
1334b05
20
Vigesimal
65h6hh
36
Base36
bzn5x
md5
cdb6ee0024394ee09e1d1fe1fe2eabf4
sha1
410711d82ebfd04fd25834d87d205a6b96165903
sha256
30723e4e1495238a9c5a9020ff5b1013b5e28509c52f01bbfed32f81daa034fa
sha512
a536a69ba2279ebbd164ba14f94dcf37c58957727aa72ee6086574f985b7ae355159f0d33d486e87d85e6cd8d5702a8e5942c67c30b3eaf22500685e27baae8b
ripemd-160
22c9e958bac5555abf399ef40105dae0b70121ee
Diameter
40277514
Circumference
126535542.08726
Area
1.2741342669793E+15
Volume
3.4212640517426E+22
Surface area
5.0965370679172E+15
Circumference
126535542.08726
Perimeter
80555028
Area
405569533505049
Diagonal
28480503.278736
Surface area
2433417201030294
Volume
8.1676662818615E+21
Space diagonal
34881350.325283
Perimeter
60416271
Area
1.7561675950819E+14
Altitude
17440675.162642
Surface area
1.7561675950819E+14
Volume
9.625687023955E+20
Height
9493501.092912