1291245106 is an even 10-digits composite number following 1291245105
and preceding 1291245107 . In scientific notation, it is written as 1.291245106 × 10^9.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 645622552 positive integers (up to 1291245106) that are relatively prime to 1291245106.
1291245106 has 4 divisors, whose sum is 1936867662
The reverse of 1291245106 is 6015421921
Previous prime number is 2
Is Prime? no Number parity even Number length 10 Sum of Digits 31 Digital Root 4
Name
one billion two hundred ninety-one million two hundred forty-five thousand one hundred six
Scientific notation
1.291245106 × 10^9
Engineering notation
1.291245106 × 10^9
Prime Factorization
2 × 645622553
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1291245106 Product of the distinct prime numbers
The prime factorization of 1291245106 is 2 × 645622553.
Since it has a total of 2 prime factors.
5 , 5 , 61 , 66 , 527 , 398 , 8095 , 5207 , 79820 , 55530 , 979817 , 530129 , 2847953 , 8906740 , 13976089 , 23486076 , 830873787 , 229947275 , 6471722981 , 9095259306
n×2
2582490212
n×3
3873735318
n×4
5164980424
n×5
6456225530
n÷2
645622553
n÷3
430415035.33333
n÷3
322811276.5
n÷5
258249021.2
n2
1667313923768951236
n3
2.1529109442323E+27
n4
2.7799357203938E+36
n5
3.5895783939531E+45
2 √n35933.899120468
3 √n1088.9373550681
4 √n189.56238846477
5 √n66.405146277149
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1291245105 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291245106 can be divided by 4 positive divisors.
The sum of these divisors (counting 1291245106) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111101101101011000110010
3
Ternary
10022222201001021211
4
Quaternary
1030331231120302
5
Quinary
10121024320411
6
Senary
332043510334
8
Octal
11475553062
10
Decimal
1291245106
12
Duodecimal
3005283aa
16
Hexadecimal
4cf6d632
20
Vigesimal
103a5cf6
36
Base36
lcrv3m
md5
6b5372f2bd0a28b85c2717fa170160fc
sha1
a14402a2b83221e080c191462839b06af34aa944
sha256
d93a854d49d5d7062701469d2b34fd544801aa39e9d27ffb77b804e5edc20650
sha512
de5e968455e208aec0d08965b1994c43e88130ad10e662337e0e098864b009fb65909f9022f782336e2041d29740c79ccbc4df4aa38775bb3233f3359aed6dbd
ripemd-160
f5ae200a9cc96edf65fce498b2582e0bc6fe2726
Diameter
2582490212
Circumference
8113132277.9867
Area
5.2380211741405E+18
Volume
9.0180922749777E+27
Surface area
2.0952084696562E+19
Circumference
8113132277.9867
Perimeter
5164980424
Area
1667313923768951236
Diagonal
1826096341.2531
Surface area
1.0003883542614E+19
Volume
2.1529109442323E+27
Space diagonal
2236502128.6167
Perimeter
3873735318
Area
7.2196810703371E+17
Altitude
1118251064.3083
Surface area
7.2196810703371E+17
Volume
2.537229879929E+26
Height
608698780.41769