138984988 is an even 9-digits composite number following 138984987
and preceding 138984989 . In scientific notation, it is written as 1.38984988 × 10^8.
The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors.
There are 68992272 positive integers (up to 138984988) that are relatively prime to 138984988.
138984988 has 12 divisors, whose sum is 244974520
The reverse of 138984988 is 889489831
Previous prime number is 139
Is Prime? no Number parity even Number length 9 Sum of Digits 58 Digital Root 4
Name
one hundred thirty-eight million nine hundred eighty-four thousand nine hundred eighty-eight
Scientific notation
1.38984988 × 10^8
Engineering notation
1.38984988 × 10^6
Prime Factorization
2 × 2 × 139 × 249973
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
69492494 Product of the distinct prime numbers
The prime factorization of 138984988 is 2 × 2 × 139 × 249973.
Since it has a total of 4 prime factors.
9 , 2 , 20 , 23 , 795 , 316 , 5120 , 8578 , 25194 , 14228 , 85230 , 842899 , 7865093 , 8419138 , 4244055 , 17550039 , 149647453 , 264263842 , 4425288200 , 4856432377
n×2
277969976
n×3
416954964
n×4
555939952
n×5
694924940
n÷2
69492494
n÷3
46328329.333333
n÷3
34746247
n÷5
27796997.6
n2
19316826889360144
n3
2.6847489534158E+24
n4
3.7313980107351E+32
n5
5.1860830774524E+40
2 √n11789.18945475
3 √n517.99149770137
4 √n108.57803394219
5 √n42.520031616981
1 , 2 , 4 , 139 , 278 , 556 , 249973 , 499946 , 999892 , 34746247 , 69492494 , 138984988
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-138984987 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138984988 can be divided by 12 positive divisors.
The sum of these divisors (counting 138984988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000010010001011111000011100
3
Ternary
100200112011120011
4
Quaternary
20102023320130
5
Quinary
241040004423
6
Senary
21442533004
8
Octal
1022137034
10
Decimal
138984988
12
Duodecimal
3a667164
16
Hexadecimal
848be1c
20
Vigesimal
238d298
36
Base36
2aqxi4
md5
68a62c01cb7eaa33e698b3f22eb3cdf0
sha1
628c4d3468b1eda553cb94eae206ec0e4268f0cf
sha256
f02b3b0b4143467cf7e7658c95ef2bab46f05423d433b48f07b40c60a63c6abe
sha512
6606e06cafdbda56196a146e0a3d057d6da2f398112a9b9a2a68d3bd540580e53f832f518356a9ca840c70995ada035297b3fb42ba920eb837a926e00087a936
ripemd-160
c8f05b4a066d9806a096265c5299bcf1d60d36a5
Diameter
277969976
Circumference
873268434.52013
Area
6.068560144628E+16
Volume
1.1245850118379E+25
Surface area
2.4274240578512E+17
Circumference
873268434.52013
Perimeter
555939952
Area
19316826889360144
Diagonal
196554454.99586
Surface area
115900961336160864
Volume
2.6847489534158E+24
Space diagonal
240729060.70535
Perimeter
416954964
Area
8.3644314033461E+15
Altitude
120364530.35268
Surface area
8.3644314033461E+15
Volume
3.164006984573E+23
Height
65518151.665287