1990409645 is an odd 10-digits composite number following 1990409644
and preceding 1990409646 . In scientific notation, it is written as 1.990409645 × 10^9.
The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors.
There are 1363848192 positive integers (up to 1990409645) that are relatively prime to 1990409645.
1990409645 has 24 divisors, whose sum is 2780494200
The reverse of 1990409645 is 5469040991
Previous prime number is 3889
Is Prime? no Number parity odd Number length 10 Sum of Digits 47 Digital Root 2
Name
one billion nine hundred ninety million four hundred nine thousand six hundred forty-five
Scientific notation
1.990409645 × 10^9
Engineering notation
1.990409645 × 10^9
Prime Factorization
5 × 7 × 7 × 3889 × 2089
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
284344235 Product of the distinct prime numbers
The prime factorization of 1990409645 is 5 × 7 × 7 × 3889 × 2089.
Since it has a total of 5 prime factors.
5 , 3 , 84 , 49 , 418 , 21 , 7526 , 5365 , 25447 , 41567 , 819408 , 615490 , 7010607 , 1826462 , 31586307 , 7242273 , 130205313 , 137424441 , 2722088479 , 6460580124
n×2
3980819290
n×3
5971228935
n×4
7961638580
n×5
9952048225
n÷2
995204822.5
n÷3
663469881.66667
n÷3
497602411.25
n÷5
398081929
n2
3961730554909026025
n3
7.8854667073821E+27
n4
1.56953089897E+37
n5
3.1240094394354E+46
2 √n44614.007273501
3 √n1257.9039740153
4 √n211.22028139717
5 √n72.408323717091
1 , 5 , 7 , 35 , 49 , 245 , 2089 , 3889 , 10445 , 14623 , 19445 , 27223 , 73115 , 102361 , 136115 , 190561 , 511805 , 952805 , 8124121 , 40620605 , 56868847 , 284344235 , 398081929 , 1990409645
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1990409644 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990409645 can be divided by 24 positive divisors.
The sum of these divisors (counting 1990409645) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101000110011110110101101
3
Ternary
12010201022021201202
4
Quaternary
1312220303312231
5
Quinary
13034021102040
6
Senary
525301215245
8
Octal
16650636655
10
Decimal
1990409645
12
Duodecimal
476701525
16
Hexadecimal
76a33dad
20
Vigesimal
1b201425
36
Base36
wx1dwt
md5
57c4b58cc861569ecb87d6c7f968257d
sha1
ae45d3fa83a055284c8b78615297c1fc49317c52
sha256
e459dd37db44ddb5272811fd571f6392408b77b12211d0027b4b51fcfe0fb851
sha512
bc2e06286227722613234c4af232c8d3326d044408a188457b893d37c8b48c3a6672c92371d900c60d73e042e0fcdb390a4ff60240fd8fc16d9ac2e5140b47f2
ripemd-160
767b58932c3df8bccedf96ad019a565dc7571145
Diameter
3980819290
Circumference
12506112636.733
Area
1.2446143606804E+19
Volume
3.3030565704051E+28
Surface area
4.9784574427218E+19
Circumference
12506112636.733
Perimeter
7961638580
Area
3961730554909026025
Diagonal
2814864314.6372
Surface area
2.3770383329454E+19
Volume
7.8854667073821E+27
Space diagonal
3447490633.0151
Perimeter
5971228935
Area
1.7154796517501E+18
Altitude
1723745316.5076
Surface area
1.7154796517501E+18
Volume
9.2931116360178E+26
Height
938288104.87907