991663 is an odd 6-digits prime number following 991662
and preceding 991664 . In scientific notation, it is written as 9.91663 × 10^5.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 991662 positive integers (up to 991663) that are relatively prime to 991663.
991663 has 2 divisors, whose sum is 991664
The reverse of 991663 is 366199
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 34
Digital Root 7
Name
nine hundred ninety-one thousand six hundred sixty-three
Scientific notation
9.91663 × 10^5
Engineering notation
9.91663 × 10^3
Prime Factorization
991663
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
991663
Product of the distinct prime numbers
The prime factorization of 991663 is 991663.
Since it has a total of 1 prime factors.
10 , 1 , 73 , 78 , 912 , 385 , 1731 , 6071 , 61517 , 4241 , 815576 , 851784 , 1539252 , 7614247 , 15508207 , 6337115 , 108692440 , 633502463 , 6164031548 , 4641531548
n×2
1983326
n×3
2974989
n×4
3966652
n×5
4958315
n÷2
495831.5
n÷3
330554.33333333
n÷3
247915.75
n÷5
198332.6
n2
983395505569
n3
975196937239071247
n4
9.6706672037331E+23
n5
9.5900428512556E+29
2 √n
995.82277539731
3 √n
99.721324118934
4 √n
31.556659762993
5 √n
15.822416844979
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
991664
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
495832
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
995.82327749456
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999979831879
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 991663 can be divided by 2 positive divisors.
The sum of these divisors (counting 991663) is 991664, the average is 495832.
Base
System
Value
2
Binary
11110010000110101111
3
Ternary
1212101022021
4
Quaternary
3302012233
5
Quinary
223213123
6
Senary
33131011
8
Octal
3620657
10
Decimal
991663
12
Duodecimal
3b9a67
16
Hexadecimal
f21af
20
Vigesimal
63j33
36
Base36
l967
md5
0928df335c47c70f36a3032a1cac3ac9
sha1
e29a77e8b7e76c351490c0ae4ff20d6bb17a363c
sha256
bc37b509c3509671e22d9bc8e4cd5cba42eaed90bd97bcbe88b07e42d4810c2c
sha512
fb5912bdc3854163cbe6850f7427005886840be5f8c0df6e5f7beb94186af8ea0d578c2857a404f7f770e435f0f0579ee44c03a8213b08ab6b8c12461eb8a533
ripemd-160
f1b58f8db93e3666f23b597eccd0525d72308f56
Diameter
1983326
Circumference
6230802.3912736
Area
3089428095868.8
Volume
4.0848953784447E+18
Surface area
12357712383475
Circumference
6230802.3912736
Perimeter
3966652
Area
983395505569
Diagonal
1402423.2639036
Surface area
5900373033414
Volume
975196937239071247
Space diagonal
1717610.6999862
Perimeter
2974989
Area
425822744895.1
Altitude
858805.34999309
Surface area
425822744895.1
Volume
1.1492806121902E+17
Height
467474.4213012