1989469494 is an even 10-digits composite number following 1989469493
and preceding 1989469495 . In scientific notation, it is written as 1.989469494 × 10^9.
The sum of its digits is 63. It has a total of 4 prime factors and 16 positive divisors.
There are 652284720 positive integers (up to 1989469494) that are relatively prime to 1989469494.
1989469494 has 16 divisors, whose sum is 3370141440
The reverse of 1989469494 is 4949649891
Previous prime number is 61
Is Prime? no
Number parity even
Number length 10
Sum of Digits 63
Digital Root 9
Name
one billion nine hundred eighty-nine million four hundred sixty-nine thousand four hundred ninety-four
Scientific notation
1.989469494 × 10^9
Engineering notation
1.989469494 × 10^9
Prime Factorization
2 × 9 × 61 × 1811903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1989469494
Product of the distinct prime numbers
The prime factorization of 1989469494 is 2 × 9 × 61 × 1811903.
Since it has a total of 4 prime factors.
9 , 4 , 64 , 30 , 458 , 773 , 4639 , 1238 , 56591 , 87482 , 911851 , 207290 , 1569560 , 4020303 , 98450449 , 65427938 , 106736199 , 578543255 , 2548252355 , 4571658864
n×2
3978938988
n×3
5968408482
n×4
7957877976
n×5
9947347470
n÷2
994734747
n÷3
663156498
n÷3
497367373.5
n÷5
397893898.8
n2
3957988867556616036
n3
7.8742981095955E+27
n4
1.5665675875702E+37
n5
3.1166384257601E+46
2 √n
44603.469528726
3 √n
1257.7058898453
4 √n
211.19533500702
5 √n
72.401482148215
1 , 2 , 9 , 18 , 61 , 122 , 549 , 1098 , 1811903 , 3623806 , 16307127 , 32614254 , 110526083 , 221052166 , 994734747 , 1989469494
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
-1989469493
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 1989469494 can be divided by 16 positive divisors.
The sum of these divisors (counting 1989469494) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110100101001110010100110110
3
Ternary
12010122112112002100
4
Quaternary
1312211032110312
5
Quinary
13033301010434
6
Senary
525225122530
8
Octal
16645162466
10
Decimal
1989469494
12
Duodecimal
476329446
16
Hexadecimal
7694e536
20
Vigesimal
1b1e3dee
36
Base36
wwh8hi
md5
c713d5fa46656c952255a9210317166c
sha1
fb10b81c25055ba44236fa1f817564579276cd78
sha256
7dcc0959a3d34c70b29bce642eab89c00941c6a580eb5ee75a11193fdae8d51e
sha512
422b881b04acb48b5ada039160167f67ca9b5850aae92cc56851c69643a2c3c8550530efe1f33747581c00fd82ce4aee93a62a75911f312395fe0c1f6543731b
ripemd-160
e6be8ba84484bf170368169e6df43c1ea5d5a964
Diameter
3978938988
Circumference
12500205493.783
Area
1.2434388749306E+19
Volume
3.2983782791042E+28
Surface area
4.9737554997224E+19
Circumference
12500205493.783
Perimeter
7957877976
Area
3957988867556616036
Diagonal
2813534740.3423
Surface area
2.374793320534E+19
Volume
7.8742981095955E+27
Space diagonal
3445862243.7163
Perimeter
5968408482
Area
1.7138594536E+18
Altitude
1722931121.8582
Surface area
1.7138594536E+18
Volume
9.279949317299E+26
Height
937844913.44745