861362728 is an even 9-digits composite number following 861362727
and preceding 861362729 . In scientific notation, it is written as 8.61362728 × 10^8.
The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors.
There are 427393200 positive integers (up to 861362728) that are relatively prime to 861362728.
861362728 has 16 divisors, whose sum is 1627385760
The reverse of 861362728 is 827263168
Previous prime number is 131
Is Prime? no Number parity even Number length 9 Sum of Digits 43 Digital Root 7
Name
eight hundred sixty-one million three hundred sixty-two thousand seven hundred twenty-eight
Scientific notation
8.61362728 × 10^8
Engineering notation
8.61362728 × 10^6
Prime Factorization
2 × 2 × 2 × 131 × 821911
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
215340682 Product of the distinct prime numbers
The prime factorization of 861362728 is 2 × 2 × 2 × 131 × 821911.
Since it has a total of 5 prime factors.
4 , 2 , 76 , 31 , 745 , 366 , 4373 , 91 , 38928 , 84313 , 55537 , 49355 , 3045121 , 9321853 , 47544445 , 37137716 , 741505176 , 963092720 , 843907895 , 457770729
n×2
1722725456
n×3
2584088184
n×4
3445450912
n×5
4306813640
n÷2
430681364
n÷3
287120909.33333
n÷3
215340682
n÷5
172272545.6
n2
741945749187601984
n3
6.3908441454824E+26
n4
5.5048349473755E+35
n5
4.7416596474611E+44
2 √n29348.981719985
3 √n951.47056749726
4 √n171.31544507132
5 √n61.240286684756
1 , 2 , 4 , 8 , 131 , 262 , 524 , 1048 , 821911 , 1643822 , 3287644 , 6575288 , 107670341 , 215340682 , 430681364 , 861362728
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-861362727 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 861362728 can be divided by 16 positive divisors.
The sum of these divisors (counting 861362728) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110011010101110101101000101000
3
Ternary
2020000210202112021
4
Quaternary
303111311220220
5
Quinary
3231002101403
6
Senary
221245554224
8
Octal
6325655050
10
Decimal
861362728
12
Duodecimal
200575974
16
Hexadecimal
33575a28
20
Vigesimal
d93a6g8
36
Base36
e8tzqg
md5
1671c8dc723a7a3c52fe96c010798a46
sha1
f4a2af227457a9e7125d3f0c1bbee44ccee37d91
sha256
a7b142e8f9aedd1aef21bd234e63a168a8427aca26b260605e5e0be818bb7850
sha512
cdce3230c5246e7bfcc24161def3682c50173894cf479cdc026e646ab81fdb80df5e08a7c1b69daa87dc708032270a1798f680a399cc9f00184929ac67c7ac29
ripemd-160
27eba379609d9dfda9753d325ef96b380e8b7cd5
Diameter
1722725456
Circumference
5412101636.7217
Area
2.3308913150099E+18
Volume
2.6769905356913E+27
Surface area
9.3235652600398E+18
Circumference
5412101636.7217
Perimeter
3445450912
Area
741945749187601984
Diagonal
1218150852.0603
Surface area
4451674495125611904
Volume
6.3908441454824E+26
Space diagonal
1491924008.6421
Perimeter
2584088184
Area
3.2127193351317E+17
Altitude
745962004.32107
Surface area
3.2127193351317E+17
Volume
7.5316820546282E+25
Height
406050284.0201