1213505894 is an even 10-digits composite number following 1213505893
and preceding 1213505895 . In scientific notation, it is written as 1.213505894 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 603576040 positive integers (up to 1213505894) that are relatively prime to 1213505894.
1213505894 has 8 divisors, whose sum is 1829789568
The reverse of 1213505894 is 4985053121
Previous prime number is 191
Is Prime? no
Number parity even
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion two hundred thirteen million five hundred five thousand eight hundred ninety-four
Scientific notation
1.213505894 × 10^9
Engineering notation
1.213505894 × 10^9
Prime Factorization
2 × 191 × 3176717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1213505894
Product of the distinct prime numbers
The prime factorization of 1213505894 is 2 × 191 × 3176717.
Since it has a total of 3 prime factors.
6 , 5 , 81 , 47 , 394 , 745 , 9590 , 9740 , 6160 , 26162 , 679927 , 231155 , 5721543 , 9758970 , 2289010 , 48985340 , 822766718 , 363245378 , 7225699575 , 1551500572
n×2
2427011788
n×3
3640517682
n×4
4854023576
n×5
6067529470
n÷2
606752947
n÷3
404501964.66667
n÷3
303376473.5
n÷5
242701178.8
n2
1472596554772739236
n3
1.7870045987008E+27
n4
2.1685406131285E+36
n5
2.6315368154099E+45
2 √n
34835.411494627
3 √n
1066.6304147619
4 √n
186.64246969708
5 √n
65.585582185003
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1213505893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1213505894 can be divided by 8 positive divisors.
The sum of these divisors (counting 1213505894) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000010101001010000101100110
3
Ternary
10010120102111010202
4
Quaternary
1020111022011212
5
Quinary
4441124142034
6
Senary
320225350502
8
Octal
11025120546
10
Decimal
1213505894
12
Duodecimal
29a498432
16
Hexadecimal
4854a166
20
Vigesimal
ij484ee
36
Base36
k2hn52
md5
28c03842cb181e0fd58df0beef5573e3
sha1
25c9985f07369dcf37c7d3ad9ba3fec81e29fac2
sha256
6d6cf1f7ec0da5ddad49276748187d55b2037cfa68145d1b049732dfab40382a
sha512
fbb699bab1fab66f12503ac0ba6a79be7a94efe91afb0b5590b73aab586cefb3ffc8d6053d3d8917ee0309df66ed728b3dd05217ca5fecd26190224502e25094
ripemd-160
0d9a4048cbf4eabe9c1d3aac2ace6ab0304821e3
Diameter
2427011788
Circumference
7624682403.3566
Area
4.6262985181757E+18
Volume
7.4853873589462E+27
Surface area
1.8505194072703E+19
Circumference
7624682403.3566
Perimeter
4854023576
Area
1472596554772739236
Diagonal
1716156493.3145
Surface area
8835579328636435416
Volume
1.7870045987008E+27
Space diagonal
2101853863.6923
Perimeter
3640517682
Area
6.3765301297932E+17
Altitude
1050926931.8461
Surface area
6.3765301297932E+17
Volume
2.1060051162548E+26
Height
572052164.43816