1997455966 is an even 10-digits composite number following 1997455965
and preceding 1997455967 . In scientific notation, it is written as 1.997455966 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 907934520 positive integers (up to 1997455966) that are relatively prime to 1997455966.
1997455966 has 8 divisors, whose sum is 3268564344
The reverse of 1997455966 is 6695547991
Previous prime number is 11
Is Prime? no Number parity even Number length 10 Sum of Digits 61 Digital Root 7
Name
one billion nine hundred ninety-seven million four hundred fifty-five thousand nine hundred sixty-six
Scientific notation
1.997455966 × 10^9
Engineering notation
1.997455966 × 10^9
Prime Factorization
2 × 11 × 90793453
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1997455966 Product of the distinct prime numbers
The prime factorization of 1997455966 is 2 × 11 × 90793453.
Since it has a total of 3 prime factors.
1 , 5 , 27 , 73 , 196 , 188 , 5350 , 9560 , 78881 , 46674 , 57482 , 565156 , 7822417 , 1316452 , 90149654 , 40527782 , 879204938 , 658483097 , 9860180356 , 1709098433
n×2
3994911932
n×3
5992367898
n×4
7989823864
n×5
9987279830
n÷2
998727983
n÷3
665818655.33333
n÷3
499363991.5
n÷5
399491193.2
n2
3989830336108993156
n3
7.9695104081887E+27
n4
1.5918746110936E+37
n5
3.1796994390528E+46
2 √n44692.907334386
3 √n1259.3866095603
4 √n211.40697087463
5 √n72.459518337828
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
-1997455965 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 1997455966 can be divided by 8 positive divisors.
The sum of these divisors (counting 1997455966) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000011101100001001011110
3
Ternary
12011012120021110121
4
Quaternary
1313003230021132
5
Quinary
13042322042331
6
Senary
530112225154
8
Octal
16703541136
10
Decimal
1997455966
12
Duodecimal
478b3b1ba
16
Hexadecimal
770ec25e
20
Vigesimal
1b441ji6
36
Base36
x18evy
md5
988b6744732d4be3e5c648feb0f0935d
sha1
6057973a03caefd2efcb5f13a02c4b29859176b0
sha256
5ff212fa19edcbdc22c2a989b1f34549d209f42075f89298d7f42c12a7dd7fdb
sha512
3c31a6ba4b7d9dbfa23d9c85241ec944e3766600688bcf7b5cd88234fa8db580be3cd66f4fbaa45bacb03f7c60bfb53540f6bf4d28b776688e194d888e41c6dd
ripemd-160
f83adb4aef59a061bf0f7841791d5ed951acd696
Diameter
3994911932
Circumference
12550385977.309
Area
1.253442167299E+19
Volume
3.3382607134764E+28
Surface area
5.0137686691959E+19
Circumference
12550385977.309
Perimeter
7989823864
Area
3989830336108993156
Diagonal
2824829317.3603
Surface area
2.3938982016654E+19
Volume
7.9695104081887E+27
Space diagonal
3459695218.9936
Perimeter
5992367898
Area
1.7276472139301E+18
Altitude
1729847609.4968
Surface area
1.7276472139301E+18
Volume
9.3921580872783E+26
Height
941609772.45342