991640449 is an odd 9-digits prime number following 991640448
and preceding 991640450 . In scientific notation, it is written as 9.91640449 × 10^8.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 991640448 positive integers (up to 991640449) that are relatively prime to 991640449.
991640449 has 2 divisors, whose sum is 991640450
The reverse of 991640449 is 944046199
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 46 Digital Root 1
Name
nine hundred ninety-one million six hundred forty thousand four hundred forty-nine
Scientific notation
9.91640449 × 10^8
Engineering notation
9.91640449 × 10^6
Prime Factorization
991640449
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
991640449 Product of the distinct prime numbers
The prime factorization of 991640449 is 991640449.
Since it has a total of 1 prime factors.
9 , 6 , 57 , 69 , 920 , 374 , 3870 , 1061 , 69224 , 28931 , 210458 , 973898 , 5322040 , 1846577 , 16312105 , 48809072 , 853217852 , 774341177 , 9812656408 , 6864744189
n×2
1983280898
n×3
2974921347
n×4
3966561796
n×5
4958202245
n÷2
495820224.5
n÷3
330546816.33333
n÷3
247910112.25
n÷5
198328089.8
n2
983350780092921601
n3
9.7513040909585E+26
n4
9.6697875670936E+35
n5
9.5889524847673E+44
2 √n31490.323100915
3 √n997.20568206013
4 √n177.45512982417
5 √n62.989889525388
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
991640450 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
495820225 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
31490.323116793 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999979831 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 991640449 can be divided by 2 positive divisors.
The sum of these divisors (counting 991640449) is 991640450, the average is 495820225.
Base
System
Value
2
Binary
111011000110110011101110000001
3
Ternary
2120002221112222001
4
Quaternary
323012303232001
5
Quinary
4012324443244
6
Senary
242222144001
8
Octal
7306635601
10
Decimal
991640449
12
Duodecimal
238122001
16
Hexadecimal
3b1b3b81
20
Vigesimal
f9hf129
36
Base36
geeao1
md5
08727a79ccc2f68c8093a9c14e63a3cc
sha1
81095b201615b220104bb1292aceb5bc60a8d590
sha256
3dcf646d468fcdde39dd91909dda22fb8389414083b621a19eb641aed58b83c9
sha512
48497885082c8cb32f485acbf610b1a9a83bdcb36aa426595d02b9353a3252fc78acc094468cb717427ccb7fc68b99339aa8bda69171d2da04a5854b3f61c37f
ripemd-160
f7b0661ffe3295f52348eb459c24872716a1e3ba
Diameter
1983280898
Circumference
6230660699.1618
Area
3.0892875866417E+18
Volume
4.08461670601E+27
Surface area
1.2357150346567E+19
Circumference
6230660699.1618
Perimeter
3966561796
Area
983350780092921601
Diagonal
1402391371.9735
Surface area
5900104680557529606
Volume
9.7513040909585E+26
Space diagonal
1717571640.5084
Perimeter
2974921347
Area
4.2580337819586E+17
Altitude
858785820.25421
Surface area
4.2580337819586E+17
Volume
1.1492022080215E+26
Height
467463790.65785