1989538428 is an even 10-digits composite number following 1989538427
and preceding 1989538429 . In scientific notation, it is written as 1.989538428 × 10^9.
The sum of its digits is 57. It has a total of 5 prime factors and 24 positive divisors.
There are 653838640 positive integers (up to 1989538428) that are relatively prime to 1989538428.
1989538428 has 24 divisors, whose sum is 4707642240
The reverse of 1989538428 is 8248359891
Previous prime number is 71
Is Prime? no Number parity even Number length 10 Sum of Digits 57 Digital Root 3
Name
one billion nine hundred eighty-nine million five hundred thirty-eight thousand four hundred twenty-eight
Scientific notation
1.989538428 × 10^9
Engineering notation
1.989538428 × 10^9
Prime Factorization
2 × 2 × 3 × 71 × 2335139
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
994769214 Product of the distinct prime numbers
The prime factorization of 1989538428 is 2 × 2 × 3 × 71 × 2335139.
Since it has a total of 5 prime factors.
10 , 10 , 15 , 66 , 929 , 121 , 3697 , 9576 , 7311 , 95305 , 465676 , 129729 , 5272965 , 3065861 , 77390727 , 50418983 , 613818962 , 172969015 , 9359424064 , 9794779495
n×2
3979076856
n×3
5968615284
n×4
7958153712
n×5
9947692140
n÷2
994769214
n÷3
663179476
n÷3
497384607
n÷5
397907685.6
n2
3958263156488711184
n3
7.8751166579709E+27
n4
1.5667847216016E+37
n5
3.1171784120297E+46
2 √n44604.24226461
3 √n1257.720415945
4 √n211.19716443317
5 √n72.401983875396
1 , 2 , 3 , 4 , 6 , 12 , 71 , 142 , 213 , 284 , 426 , 852 , 2335139 , 4670278 , 7005417 , 9340556 , 14010834 , 28021668 , 165794869 , 331589738 , 497384607 , 663179476 , 994769214 , 1989538428
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
-1989538427 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 1989538428 can be divided by 24 positive divisors.
The sum of these divisors (counting 1989538428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110100101011111001001111100
3
Ternary
12010122200000122110
4
Quaternary
1312211133021330
5
Quinary
13033310212203
6
Senary
525230414020
8
Octal
16645371174
10
Decimal
1989538428
12
Duodecimal
476361310
16
Hexadecimal
7695f27c
20
Vigesimal
1b1ec618
36
Base36
wwipoc
md5
8346c2511e91f9af6eb39282dfa15692
sha1
6e4b3670ef7aa8467f92c90c1729030c32b342e8
sha256
db709cadabab89adec2fbc343d4f0c778a81f7185bdf8eef26401f5e0bcbd9e5
sha512
cee712ae9e95ecf4d2c2200f40c701fe86ab0e9a5b8ef3c95059409ac4da79d57cc34483d28bebbd8811460b6a848b56a4fc1cc0a4189237d72420b163f2434d
ripemd-160
db0217f5c83cf88bfa3bc2ed67100847cb3a55d0
Diameter
3979076856
Circumference
12500638618.879
Area
1.24352504534E+19
Volume
3.2987211518459E+28
Surface area
4.97410018136E+19
Circumference
12500638618.879
Perimeter
7958153712
Area
3958263156488711184
Diagonal
2813632227.74
Surface area
2.3749578938932E+19
Volume
7.8751166579709E+27
Space diagonal
3445981640.9067
Perimeter
5968615284
Area
1.7139782241916E+18
Altitude
1722990820.4534
Surface area
1.7139782241916E+18
Volume
9.2809139858106E+26
Height
937877409.24668