291242143 is an odd 9-digits prime number following 291242142
and preceding 291242144 . In scientific notation, it is written as 2.91242143 × 10^8.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 291242142 positive integers (up to 291242143) that are relatively prime to 291242143.
291242143 has 2 divisors, whose sum is 291242144
The reverse of 291242143 is 341242192
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred ninety-one million two hundred forty-two thousand one hundred forty-three
Scientific notation
2.91242143 × 10^8
Engineering notation
2.91242143 × 10^6
Prime Factorization
291242143
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
291242143
Product of the distinct prime numbers
The prime factorization of 291242143 is 291242143.
Since it has a total of 1 prime factors.
7 , 5 , 43 , 33 , 892 , 773 , 5641 , 8325 , 95963 , 97686 , 724972 , 14496 , 8849359 , 2294070 , 65149649 , 36890285 , 252177307 , 656155487 , 9927460133 , 8196299234
n×2
582484286
n×3
873726429
n×4
1164968572
n×5
1456210715
n÷2
145621071.5
n÷3
97080714.333333
n÷3
72810535.75
n÷5
58248428.6
n2
84821985859232449
n3
2.4703736935159E+25
n4
7.1947692851038E+33
n5
2.0954200249842E+42
2 √n
17065.817970434
3 √n
662.85429195034
4 √n
130.63620466943
5 √n
49.300445480885
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
291242144
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
145621072
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
17065.817999733
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999931329
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 291242143 can be divided by 2 positive divisors.
The sum of these divisors (counting 291242143) is 291242144, the average is 145621072.
Base
System
Value
2
Binary
10001010111000000000010011111
3
Ternary
202022000122010001
4
Quaternary
101113000002133
5
Quinary
1044024222033
6
Senary
44522155131
8
Octal
2127000237
10
Decimal
291242143
12
Duodecimal
81652aa7
16
Hexadecimal
115c009f
20
Vigesimal
4b05573
36
Base36
4tebvj
md5
136dc753f75348056a1e37b0487473b0
sha1
d11c2918140f46f58c47b742b5164cf41ad030b1
sha256
d1a92edefa13ae359175dd6df9edfc3348221d02f227c99a9c2451da40a6d6e1
sha512
5fb4ea920207c040bf43a8ac2d7ba3340eb723da989668c9d7d29d822310398cd4b8d329d792946c50e9ec10964bf00332f67e164debef0bf0b603de37e4b478
ripemd-160
a1792f74095dbb6e0eb832063594ed203c2f0ca0
Diameter
582484286
Circumference
1829928353.7291
Area
2.6647612763826E+17
Volume
1.0347877129561E+26
Surface area
1.065904510553E+18
Circumference
1829928353.7291
Perimeter
1164968572
Area
84821985859232449
Diagonal
411878588.5652
Surface area
508931915155394694
Volume
2.4703736935159E+25
Space diagonal
504446188.98124
Perimeter
873726429
Area
3.672899727677E+16
Altitude
252223094.49062
Surface area
3.672899727677E+16
Volume
2.9113633179165E+24
Height
137292862.85507