851996985 is an odd 9-digits composite number following 851996984
and preceding 851996986 . In scientific notation, it is written as 8.51996985 × 10^8.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 388957440 positive integers (up to 851996985) that are relatively prime to 851996985.
851996985 has 16 divisors, whose sum is 1040030208
The reverse of 851996985 is 589699158
Previous prime number is 797
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 60
Digital Root 6
Name
eight hundred fifty-one million nine hundred ninety-six thousand nine hundred eighty-five
Scientific notation
8.51996985 × 10^8
Engineering notation
8.51996985 × 10^6
Prime Factorization
15 × 7 × 797 × 10181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
851996985
Product of the distinct prime numbers
The prime factorization of 851996985 is 15 × 7 × 797 × 10181.
Since it has a total of 4 prime factors.
6 , 2 , 54 , 65 , 465 , 440 , 8007 , 7931 , 69249 , 679 , 498477 , 987372 , 9976295 , 4789322 , 37029498 , 82833181 , 907772421 , 742367136 , 1699421996 , 4594721038
n×2
1703993970
n×3
2555990955
n×4
3407987940
n×5
4259984925
n÷2
425998492.5
n÷3
283998995
n÷3
212999246.25
n÷5
170399397
n2
725898862449090225
n3
6.1846364222155E+26
n4
5.2692915850488E+35
n5
4.4894205435475E+44
2 √n
29188.987392508
3 √n
948.00949246312
4 √n
170.84784866222
5 √n
61.106528458097
1 , 7 , 15 , 105 , 797 , 5579 , 10181 , 11955 , 71267 , 83685 , 152715 , 1069005 , 8114257 , 56799799 , 121713855 , 851996985
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
-851996984
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 851996985 can be divided by 16 positive divisors.
The sum of these divisors (counting 851996985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010110010000111000100111001
3
Ternary
2012101011221010220
4
Quaternary
302302013010321
5
Quinary
3221102400420
6
Senary
220313130253
8
Octal
6262070471
10
Decimal
851996985
12
Duodecimal
1b93b9989
16
Hexadecimal
32c87139
20
Vigesimal
d64jc95
36
Base36
e3992x
md5
a5cbac3f1b7419726e1d001a8866472a
sha1
7e9abedbb484ba654330ce314d56ee995ea2a1c9
sha256
59ddf13b40feec66ac1768561256bfee0ab7b245a10ebcc0c5796378a8703e45
sha512
fa91d0631090f00ece1223d68e40c156742e716598d57360cdcf3ce71748b19a06fe4a91012c55ff5cc35b119215d66a6e59761c9a7c08e039877faf3a86c32c
ripemd-160
5ecba023ea829fa2047d9d9e76fe7c9a3527a7d7
Diameter
1703993970
Circumference
5353254937.9133
Area
2.2804785335192E+18
Volume
2.5906144465542E+27
Surface area
9.121914134077E+18
Circumference
5353254937.9133
Perimeter
3407987940
Area
725898862449090225
Diagonal
1204905691.288
Surface area
4355393174694541350
Volume
6.1846364222155E+26
Space diagonal
1475702065.9155
Perimeter
2555990955
Area
3.1432342772957E+17
Altitude
737851032.95775
Surface area
3.1432342772957E+17
Volume
7.2886639222032E+25
Height
401635230.42933