1213665906 is an even 10-digits composite number following 1213665905
and preceding 1213665907 . In scientific notation, it is written as 1.213665906 × 10^9.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 398857200 positive integers (up to 1213665906) that are relatively prime to 1213665906.
1213665906 has 16 divisors, whose sum is 2461520448
The reverse of 1213665906 is 6095663121
Previous prime number is 71
Is Prime? no
Number parity even
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion two hundred thirteen million six hundred sixty-five thousand nine hundred six
Scientific notation
1.213665906 × 10^9
Engineering notation
1.213665906 × 10^9
Prime Factorization
2 × 3 × 71 × 2848981
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1213665906
Product of the distinct prime numbers
The prime factorization of 1213665906 is 2 × 3 × 71 × 2848981.
Since it has a total of 4 prime factors.
7 , 6 , 11 , 78 , 547 , 212 , 2059 , 4851 , 30628 , 98262 , 647309 , 23664 , 6595375 , 9322667 , 94872836 , 30468472 , 553535382 , 614809919 , 8039768861 , 3546772201
n×2
2427331812
n×3
3640997718
n×4
4854663624
n×5
6068329530
n÷2
606832953
n÷3
404555302
n÷3
303416476.5
n÷5
242733181.2
n2
1472984931386800836
n3
1.7877115912759E+27
n4
2.1696846080926E+36
n5
2.6332722356149E+45
2 √n
34837.708104868
3 √n
1066.6772944037
4 √n
186.64862202778
5 √n
65.587311707168
1 , 2 , 3 , 6 , 71 , 142 , 213 , 426 , 2848981 , 5697962 , 8546943 , 17093886 , 202277651 , 404555302 , 606832953 , 1213665906
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
-1213665905
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 1213665906 can be divided by 16 positive divisors.
The sum of these divisors (counting 1213665906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000010101110001001001110010
3
Ternary
10010120201121122010
4
Quaternary
1020111301021302
5
Quinary
4441144302111
6
Senary
320233023350
8
Octal
11025611162
10
Decimal
1213665906
12
Duodecimal
29a554b56
16
Hexadecimal
48571272
20
Vigesimal
ij584f6
36
Base36
k2l2lu
md5
1326dffde70fc5f577e65a813c44643c
sha1
1564d356fdf793109da053c6f3ffcf41d6bcb00f
sha256
cac10fb02dfd6635b220ced16c3a4c5d21f223ec6daebba14be6a9feaf7430bf
sha512
f57a99f8734e5eec2de7abcf9659cc3e8b459b2f17c6da071a5bc3a641893f96974e65703b11778c8a37fb867fed18bcb63d0cbd5fa1bedde6af69ccfb57e5cf
ripemd-160
66d5fa9cc269147bdd9651e89367b64ec16210a3
Diameter
2427331812
Circumference
7625687788.404
Area
4.6275186392932E+18
Volume
7.4883488025196E+27
Surface area
1.8510074557173E+19
Circumference
7625687788.404
Perimeter
4854663624
Area
1472984931386800836
Diagonal
1716382784.455
Surface area
8837909588320805016
Volume
1.7877115912759E+27
Space diagonal
2102131012.6061
Perimeter
3640997718
Area
6.3782118498632E+17
Altitude
1051065506.3031
Surface area
6.3782118498632E+17
Volume
2.106838314995E+26
Height
572127594.81834