1816996921 is an odd 10-digits prime number following 1816996920
and preceding 1816996922 . In scientific notation, it is written as 1.816996921 × 10^9.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 1816996920 positive integers (up to 1816996921) that are relatively prime to 1816996921.
1816996921 has 2 divisors, whose sum is 1816996922
The reverse of 1816996921 is 1296996181
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion eight hundred sixteen million nine hundred ninety-six thousand nine hundred twenty-one
Scientific notation
1.816996921 × 10^9
Engineering notation
1.816996921 × 10^9
Prime Factorization
1816996921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1816996921
Product of the distinct prime numbers
The prime factorization of 1816996921 is 1816996921.
Since it has a total of 1 prime factors.
7 , 5 , 49 , 97 , 605 , 387 , 7809 , 5502 , 33488 , 33068 , 189201 , 159722 , 1913562 , 7841120 , 66707103 , 47013418 , 767644137 , 476232252 , 4575592539 , 2353802665
n×2
3633993842
n×3
5450990763
n×4
7267987684
n×5
9084984605
n÷2
908498460.5
n÷3
605665640.33333
n÷3
454249230.25
n÷5
363399384.2
n2
3301477810923480241
n3
5.9987750171978E+27
n4
1.089975573602E+37
n5
1.9804822612001E+46
2 √n
42626.246855664
3 √n
1220.2572513595
4 √n
206.46124783035
5 √n
71.100202603458
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1816996922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
908498461
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
42626.246867394
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999988993
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1816996921 can be divided by 2 positive divisors.
The sum of these divisors (counting 1816996921) is 1816996922, the average is 908498461.
Base
System
Value
2
Binary
1101100010011010010110000111001
3
Ternary
11200122000000012021
4
Quaternary
1230103102300321
5
Quinary
12210122400141
6
Senary
500144314441
8
Octal
15423226071
10
Decimal
1816996921
12
Duodecimal
428612a21
16
Hexadecimal
6c4d2c39
20
Vigesimal
187g4c61
36
Base36
u1sjsp
md5
a6f08d5e778301cd6004af46aeb58259
sha1
43bf78939ff1a8bfb922bba7a08174f1d63e7e0e
sha256
e4df261cf4d996d3ff2ad55bb90239489e402c3135ac8d42714db1a5e599719c
sha512
575f82437ca31dfb1b953f31197c97e62276aa5361a6acd4686b45148b3f6377434019cba3191829f93611927c8eb79b8a4eab0c8d572ebe6bc941fc1342b51e
ripemd-160
5c85d0b6cf63defbf648a1bf28917f5566828d50
Diameter
3633993842
Circumference
11416528357.218
Area
1.0371898436787E+19
Volume
2.5127610032755E+28
Surface area
4.1487593747148E+19
Circumference
11416528357.218
Perimeter
7267987684
Area
3301477810923480241
Diagonal
2569621688.4684
Surface area
1.9808866865541E+19
Volume
5.9987750171978E+27
Space diagonal
3147130984.3682
Perimeter
5450990763
Area
1.4295818271452E+18
Altitude
1573565492.1841
Surface area
1.4295818271452E+18
Volume
7.0696241557883E+26
Height
856540562.82279