1220761491 is an odd 10-digits composite number following 1220761490
and preceding 1220761492 . In scientific notation, it is written as 1.220761491 × 10^9.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 811907040 positive integers (up to 1220761491) that are relatively prime to 1220761491.
1220761491 has 8 divisors, whose sum is 1631549904
The reverse of 1220761491 is 1941670221
Previous prime number is 421
Is Prime? no Number parity odd Number length 10 Sum of Digits 33 Digital Root 6
Name
one billion two hundred twenty million seven hundred sixty-one thousand four hundred ninety-one
Scientific notation
1.220761491 × 10^9
Engineering notation
1.220761491 × 10^9
Prime Factorization
3 × 421 × 966557
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1220761491 Product of the distinct prime numbers
The prime factorization of 1220761491 is 3 × 421 × 966557.
Since it has a total of 3 prime factors.
7 , 5 , 2 , 32 , 324 , 569 , 3585 , 4665 , 52011 , 94688 , 405795 , 770111 , 1824808 , 649184 , 80364817 , 21043989 , 617463449 , 174573555 , 8556185425 , 436860169
n×2
2441522982
n×3
3662284473
n×4
4883045964
n×5
6103807455
n÷2
610380745.5
n÷3
406920497
n÷3
305190372.75
n÷5
244152298.2
n2
1490258617908543081
n3
1.8192503323736E+27
n4
2.2208707482507E+36
n5
2.7111534859528E+45
2 √n34939.397404649
3 √n1068.7519996953
4 √n186.92083191728
5 √n65.663823014565
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
-1220761490 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 1220761491 can be divided by 8 positive divisors.
The sum of these divisors (counting 1220761491) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000110000110101011110010011
3
Ternary
10011002002002221120
4
Quaternary
1020300311132103
5
Quinary
10000003331431
6
Senary
321045053323
8
Octal
11060653623
10
Decimal
1220761491
12
Duodecimal
2a09b7243
16
Hexadecimal
48c35793
20
Vigesimal
j19f3eb
36
Base36
k6t5lf
md5
22d66624ebe512b5db0915c9510ba2ba
sha1
b4a38d37c48041dd3f4f82cf774394f93e2794c4
sha256
99f696fc29980833d865e317f50bb9cfebb485fc0d9a8db2dff94f839c4aa7bd
sha512
f30776ce4244b45c7eb26ecae872b1378d7dccaf6d2c2b76560327e1744b4ec7a3435f464695b7c9e7a095280fbefd9d747c87e0116569f72197e4b5a76a2dc2
ripemd-160
8305efb81c4001ec73b1b68bc6fffc1d8fc03510
Diameter
2441522982
Circumference
7670270663.8218
Area
4.6817855259704E+18
Volume
7.6204579723011E+27
Surface area
1.8727142103881E+19
Circumference
7670270663.8218
Perimeter
4883045964
Area
1490258617908543081
Diagonal
1726417456.995
Surface area
8941551707451258486
Volume
1.8192503323736E+27
Space diagonal
2114420926.3355
Perimeter
3662284473
Area
6.4530091065874E+17
Altitude
1057210463.1678
Surface area
6.4530091065874E+17
Volume
2.1440070778288E+26
Height
575472485.665