861363987 is an odd 9-digits composite number following 861363986
and preceding 861363988 . In scientific notation, it is written as 8.61363987 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 520188480 positive integers (up to 861363987) that are relatively prime to 861363987.
861363987 has 16 divisors, whose sum is 1257333888
The reverse of 861363987 is 789363168
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
eight hundred sixty-one million three hundred sixty-three thousand nine hundred eighty-seven
Scientific notation
8.61363987 × 10^8
Engineering notation
8.61363987 × 10^6
Prime Factorization
3 × 11 × 283 × 92233
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
861363987
Product of the distinct prime numbers
The prime factorization of 861363987 is 3 × 11 × 283 × 92233.
Since it has a total of 4 prime factors.
3 , 1 , 4 , 19 , 238 , 377 , 4506 , 763 , 72489 , 47432 , 930125 , 868376 , 4147966 , 91519 , 58163102 , 24102509 , 80737325 , 658290763 , 5516453521 , 7579887913
n×2
1722727974
n×3
2584091961
n×4
3445455948
n×5
4306819935
n÷2
430681993.5
n÷3
287121329
n÷3
215340996.75
n÷5
172272797.4
n2
741947918100536169
n3
6.3908721688143E+26
n4
5.5048671317372E+35
n5
4.7416943004984E+44
2 √n
29349.003168762
3 √n
951.47103106536
4 √n
171.31550767155
5 √n
61.240304586964
1 , 3 , 11 , 33 , 283 , 849 , 3113 , 9339 , 92233 , 276699 , 1014563 , 3043689 , 26101939 , 78305817 , 287121329 , 861363987
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
-861363986
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 861363987 can be divided by 16 positive divisors.
The sum of these divisors (counting 861363987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110011010101110101111100010011
3
Ternary
2020000210211020220
4
Quaternary
303111311330103
5
Quinary
3231002121422
6
Senary
221250004123
8
Octal
6325657423
10
Decimal
861363987
12
Duodecimal
200576643
16
Hexadecimal
33575f13
20
Vigesimal
d93a9j7
36
Base36
e8u0pf
md5
c4bc1d8fb66bc4f895ecb5102b11102b
sha1
8b3d67a88499f0be81dd4fc32cbc429b598c5644
sha256
8dc1f9637ca60401c2f4b2d67a9a6250ef3c4127cb090d26b0e68ff665443e2e
sha512
2220e7d6e34ffadccb08ecc166983ffe5f3ebd203e7f5d50a6fd7e66e96b7edc98e74251c85092e7804c33c8ec0c1ae66d04aef118451dc03cf44b6589b4a510
ripemd-160
20f64ce57d87a414b3e4e0bf8cf56c71e9a5c789
Diameter
1722727974
Circumference
5412109547.252
Area
2.3308981288509E+18
Volume
2.6770022740771E+27
Surface area
9.3235925154035E+18
Circumference
5412109547.252
Perimeter
3445455948
Area
741947918100536169
Diagonal
1218152632.5552
Surface area
4451687508603217014
Volume
6.3908721688143E+26
Space diagonal
1491926189.2941
Perimeter
2584091961
Area
3.2127287268002E+17
Altitude
745963094.64705
Surface area
3.2127287268002E+17
Volume
7.5317150804416E+25
Height
406050877.51839