1989469450 is an even 10-digits composite number following 1989469449
and preceding 1989469451 . In scientific notation, it is written as 1.989469450 × 10^9.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 795514800 positive integers (up to 1989469450) that are relatively prime to 1989469450.
1989469450 has 16 divisors, whose sum is 3104637120
The reverse of 1989469450 is 0549649891
Previous prime number is 4219
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion nine hundred eighty-nine million four hundred sixty-nine thousand four hundred fifty
Scientific notation
1.989469450 × 10^9
Engineering notation
1.989469450 × 10^9
Prime Factorization
2 × 25 × 4219 × 9431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1989469450
Product of the distinct prime numbers
The prime factorization of 1989469450 is 2 × 25 × 4219 × 9431.
Since it has a total of 4 prime factors.
4 , 9 , 24 , 16 , 415 , 994 , 1638 , 8082 , 27946 , 43995 , 413223 , 78954 , 5516137 , 883139 , 60800934 , 16919612 , 743670841 , 30295901 , 6661300993 , 2297039006
n×2
3978938900
n×3
5968408350
n×4
7957877800
n×5
9947347250
n÷2
994734725
n÷3
663156483.33333
n÷3
497367362.5
n÷5
397893890
n2
3957988692483302500
n3
7.874297587141E+27
n4
1.5665674489826E+37
n5
3.1166380811153E+46
2 √n
44603.469035491
3 √n
1257.7058805733
4 √n
211.19533383929
5 √n
72.401481827963
1 , 2 , 25 , 50 , 4219 , 8438 , 9431 , 18862 , 105475 , 210950 , 235775 , 471550 , 39789389 , 79578778 , 994734725 , 1989469450
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
-1989469449
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 1989469450 can be divided by 16 positive divisors.
The sum of these divisors (counting 1989469450) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110100101001110010100001010
3
Ternary
12010122112112000201
4
Quaternary
1312211032110022
5
Quinary
13033301010300
6
Senary
525225122414
8
Octal
16645162412
10
Decimal
1989469450
12
Duodecimal
47632940a
16
Hexadecimal
7694e50a
20
Vigesimal
1b1e3dca
36
Base36
wwh8ga
md5
9a7e20fdb3807e03f171aece4447cabf
sha1
067289dc47461979d89597df5cdb16a9b1315c8e
sha256
d7845e0d62693a2144530642bf0de24b0d05fd33098bbc6705991b6a21885de9
sha512
941b8a3f515c81168c95727d2ae74c9d52d561a76953fd4c94742bec0121eca80899ca8315adb0de58280738b9e9d4cb4235b2049e2a51f3d10d27054ed8c181
ripemd-160
e9a3ef17dcb0dbe177eb165ed5183c451fa53491
Diameter
3978938900
Circumference
12500205217.323
Area
1.2434388199297E+19
Volume
3.2983780602589E+28
Surface area
4.9737552797188E+19
Circumference
12500205217.323
Perimeter
7957877800
Area
3957988692483302500
Diagonal
2813534678.1169
Surface area
2.37479321549E+19
Volume
7.874297587141E+27
Space diagonal
3445862167.5061
Perimeter
5968408350
Area
1.713859377791E+18
Altitude
1722931083.7531
Surface area
1.713859377791E+18
Volume
9.2799487015804E+26
Height
937844892.70565