990069891 is an odd 9-digits composite number following 990069890
and preceding 990069892 . In scientific notation, it is written as 9.90069891 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 628629056 positive integers (up to 990069891) that are relatively prime to 990069891.
990069891 has 16 divisors, whose sum is 1383422976
The reverse of 990069891 is 198960099
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
nine hundred ninety million sixty-nine thousand eight hundred ninety-one
Scientific notation
9.90069891 × 10^8
Engineering notation
9.90069891 × 10^6
Prime Factorization
3 × 23 × 233 × 61583
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
990069891
Product of the distinct prime numbers
The prime factorization of 990069891 is 3 × 23 × 233 × 61583.
Since it has a total of 4 prime factors.
9 , 9 , 74 , 34 , 324 , 145 , 5287 , 4401 , 20935 , 86640 , 130143 , 551402 , 7582986 , 1812486 , 3601237 , 55282711 , 827096092 , 388986213 , 8302702540 , 6636957551
n×2
1980139782
n×3
2970209673
n×4
3960279564
n×5
4950349455
n÷2
495034945.5
n÷3
330023297
n÷3
247517472.75
n÷5
198013978.2
n2
980238389064751881
n3
9.7050451501535E+26
n4
9.6086729939626E+35
n5
9.5132578237872E+44
2 √n
31465.3760664
3 √n
996.67894647992
4 √n
177.38482479175
5 √n
62.969924222798
1 , 3 , 23 , 69 , 233 , 699 , 5359 , 16077 , 61583 , 184749 , 1416409 , 4249227 , 14348839 , 43046517 , 330023297 , 990069891
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-990069890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 990069891 can be divided by 16 positive divisors.
The sum of these divisors (counting 990069891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000000110100010010000011
3
Ternary
2112222222202120020
4
Quaternary
323000310102003
5
Quinary
4011424214031
6
Senary
242124344523
8
Octal
7300642203
10
Decimal
990069891
12
Duodecimal
2376a5143
16
Hexadecimal
3b034483
20
Vigesimal
f97ieeb
36
Base36
gdgmtf
md5
109474cc5e26922918a0173f38a1d1e7
sha1
6533186f69ea7fd1a54078969add75cc7f624506
sha256
475c2d1e6b05e8837b7f3e9e441716be3c3caf9b05da81d0301ed1d75f87840a
sha512
1b36d366fa9492237fa1de6b201e5096be50672b8e4587b8051045b40c8c5abaa4255f6d9ae20ad0239cd6fbe5f30afc84e833660e485b06f40acad179485101
ripemd-160
733ae021fcefc556cae6f731f389951bdc6dde74
Diameter
1980139782
Circumference
6220792592.2121
Area
3.0795097218525E+18
Volume
4.0652398061973E+27
Surface area
1.231803888741E+19
Circumference
6220792592.2121
Perimeter
3960279564
Area
980238389064751881
Diagonal
1400170267.5495
Surface area
5881430334388511286
Volume
9.7050451501535E+26
Space diagonal
1714851354.2562
Perimeter
2970209673
Area
4.244556733474E+17
Altitude
857425677.12809
Surface area
4.244556733474E+17
Volume
1.1437505395659E+26
Height
466723422.51648