31663921 is an odd 8-digits prime number following 31663920
and preceding 31663922 . In scientific notation, it is written as 3.1663921 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 31663920 positive integers (up to 31663921) that are relatively prime to 31663921.
31663921 has 2 divisors, whose sum is 31663922
The reverse of 31663921 is 12936613
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million six hundred sixty-three thousand nine hundred twenty-one
Scientific notation
3.1663921 × 10^7
Engineering notation
3.1663921 × 10^6
Prime Factorization
31663921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31663921
Product of the distinct prime numbers
The prime factorization of 31663921 is 31663921.
Since it has a total of 1 prime factors.
1 , 6 , 84 , 98 , 497 , 528 , 778 , 4071 , 82089 , 18642 , 225101 , 467282 , 3566318 , 4263164 , 38159832 , 98837039 , 77999016 , 180855559 , 7439961506 , 547421255
n×2
63327842
n×3
94991763
n×4
126655684
n×5
158319605
n÷2
15831960.5
n÷3
10554640.333333
n÷3
7915980.25
n÷5
6332784.2
n2
1002603893094241
n3
3.1746370465228E+22
n4
1.0052145664477E+30
n5
3.182903462005E+37
2 √n
5627.0703745377
3 √n
316.36485457309
4 √n
75.013801227092
5 √n
31.631001202049
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31663922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15831961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5627.0704633939
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999368366
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31663921 can be divided by 2 positive divisors.
The sum of these divisors (counting 31663921) is 31663922, the average is 15831961.
Base
System
Value
2
Binary
1111000110010011100110001
3
Ternary
2012120200201211
4
Quaternary
1320302130301
5
Quinary
31101221141
6
Senary
3050400121
8
Octal
170623461
10
Decimal
31663921
12
Duodecimal
a730041
16
Hexadecimal
1e32731
20
Vigesimal
9hhjg1
36
Base36
iuo1d
md5
a989bfb59cbab48e986fdb424c1343d3
sha1
25a3a452d0e3cc69229308e9a5be025a9c89b0cc
sha256
1cb98d4f1c5ca6ca6682009f57a44def4f25fb749613fddbc5b1bfa764e8cd02
sha512
9a175b51b2f0d0084b12a786ee0c4631fad4e7dcde9666303768122d07dd3d0d324192e941ff64afe2e4656ea56af82dea675f0bb30f2900da761af892cf4bf7
ripemd-160
5da99228368a57f5648a291d62bc89f4f875efd6
Diameter
63327842
Circumference
198950283.1949
Area
3.1497730250054E+15
Volume
1.3297888564227E+23
Surface area
1.2599092100022E+16
Circumference
198950283.1949
Perimeter
126655684
Area
1002603893094241
Diagonal
44779546.51611
Surface area
6015623358565446
Volume
3.1746370465228E+22
Space diagonal
54843519.938847
Perimeter
94991763
Area
4.341402206764E+14
Altitude
27421759.969424
Surface area
4.341402206764E+14
Volume
3.7413456390039E+21
Height
14926515.50537