8161291243 is an odd 10-digits composite number following 8161291242
and preceding 8161291244 . In scientific notation, it is written as 8.161291243 × 10^9.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 6803727840 positive integers (up to 8161291243) that are relatively prime to 8161291243.
8161291243 has 16 divisors, whose sum is 9582936064
The reverse of 8161291243 is 3421921618
Previous prime number is 3847
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
eight billion one hundred sixty-one million two hundred ninety-one thousand two hundred forty-three
Scientific notation
8.161291243 × 10^9
Engineering notation
8.161291243 × 10^9
Prime Factorization
7 × 37 × 3847 × 8191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
8161291243
Product of the distinct prime numbers
The prime factorization of 8161291243 is 7 × 37 × 3847 × 8191.
Since it has a total of 4 prime factors.
5 , 1 , 36 , 61 , 893 , 645 , 7271 , 1008 , 90592 , 97467 , 603172 , 308051 , 8026931 , 2507327 , 24166552 , 21515401 , 111426797 , 354885279 , 9465491998 , 8722600908
n×2
16322582486
n×3
24483873729
n×4
32645164972
n×5
40806456215
n÷2
4080645621.5
n÷3
2720430414.3333
n÷3
2040322810.75
n÷5
1632258248.6
n2
6.6606674753068E+19
n3
5.4359647138757E+29
n4
4.4364491216611E+39
n5
3.6207153366627E+49
2 √n
90339.865192505
3 √n
2013.3516058828
4 √n
300.56590823396
5 √n
96.017805362261
1 , 7 , 37 , 259 , 3847 , 8191 , 26929 , 57337 , 142339 , 303067 , 996373 , 2121469 , 31510777 , 220575439 , 1165898749 , 8161291243
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
-8161291242
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 8161291243 can be divided by 16 positive divisors.
The sum of these divisors (counting 8161291243) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100110011100110110101111101011
3
Ternary
210001202220112220001
4
Quaternary
13212130312233223
5
Quinary
113203242304433
6
Senary
3425500443431
8
Octal
74634665753
10
Decimal
8161291243
12
Duodecimal
16b9249577
16
Hexadecimal
1e6736beb
20
Vigesimal
67a81823
36
Base36
3qz0smj
md5
174cba5e60ac94e5778fc974541d9908
sha1
c4535a69e61c28d45d017310d217fa3e6d3dffc0
sha256
0245286c7f253f9b3b3fc6d36a24e9d462389aedae6c727a866db374f4427c5a
sha512
ca34bec77266a013830163ef3e4de829dd0503addc36c7d7cda2c6c33299ab5b9297535c005ee03b2d980c0c8f9dc6aa5ced9101e38dc7aacf4e761c41afa7b9
ripemd-160
8b20b53b9dea7ad6a6086e3465af14a4f3aa2b80
Diameter
16322582486
Circumference
51278905225.631
Area
2.0925104008428E+20
Volume
2.2770115747047E+30
Surface area
8.3700416033714E+20
Circumference
51278905225.631
Perimeter
32645164972
Area
6.6606674753068E+19
Diagonal
11541808762.327
Surface area
3.9964004851841E+20
Volume
5.4359647138757E+29
Space diagonal
14135771088.243
Perimeter
24483873729
Area
2.8841536198882E+19
Altitude
7067885544.1215
Surface area
2.8841536198882E+19
Volume
6.4063458524538E+28
Height
3847269587.4425