138121372 is an even 9-digits composite number following 138121371
and preceding 138121373 . In scientific notation, it is written as 1.38121372 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 68824400 positive integers (up to 138121372) that are relatively prime to 138121372.
138121372 has 12 divisors, whose sum is 242539416
The reverse of 138121372 is 273121831
Previous prime number is 293
Is Prime? no Number parity even Number length 9 Sum of Digits 28 Digital Root 1
Name
one hundred thirty-eight million one hundred twenty-one thousand three hundred seventy-two
Scientific notation
1.38121372 × 10^8
Engineering notation
1.38121372 × 10^6
Prime Factorization
2 × 2 × 293 × 117851
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
69060686 Product of the distinct prime numbers
The prime factorization of 138121372 is 2 × 2 × 293 × 117851.
Since it has a total of 4 prime factors.
1 , 3 , 68 , 55 , 693 , 961 , 7407 , 4269 , 51812 , 74375 , 724889 , 805304 , 9949085 , 6903982 , 94220511 , 39419698 , 355611135 , 297035006 , 889204348 , 6290023809
n×2
276242744
n×3
414364116
n×4
552485488
n×5
690606860
n÷2
69060686
n÷3
46040457.333333
n÷3
34530343
n÷5
27624274.4
n2
19077513403162384
n3
2.6350123255932E+24
n4
3.6395151764784E+32
n5
5.0269482959002E+40
2 √n11752.504924483
3 √n516.91638034189
4 √n108.4089706827
5 √n42.467058138759
1 , 2 , 4 , 293 , 586 , 1172 , 117851 , 235702 , 471404 , 34530343 , 69060686 , 138121372
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
-138121371 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 138121372 can be divided by 12 positive divisors.
The sum of these divisors (counting 138121372) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000001110111001000010011100
3
Ternary
100121220021220101
4
Quaternary
20032321002130
5
Quinary
240324340442
6
Senary
21412230444
8
Octal
1016710234
10
Decimal
138121372
12
Duodecimal
3a30b424
16
Hexadecimal
83b909c
20
Vigesimal
233538c
36
Base36
2a8f4s
md5
d4ca8b9db59fa3aba4759a89cf2bb765
sha1
d769cbfd334bf25b35cf509c571eb13ce315a09a
sha256
a8db5615e2dd71322d8c3ea4277ed3acccb1a9506f5ab0192d0891229cf4df1c
sha512
f5a042522a5feb7f38d41387458223c9213c9c70ba8d47e02fe4e987a0318981576ed150a19bef36dfd7c1ea84a8e90ff519e5c956af9c02cfbd5152f2b4ed22
ripemd-160
1533ecafce2cc827ea9c32de84b856cd927fcc63
Diameter
276242744
Circumference
867842175.15789
Area
5.9933775956136E+16
Volume
1.1037513818936E+25
Surface area
2.3973510382454E+17
Circumference
867842175.15789
Perimeter
552485488
Area
19077513403162384
Diagonal
195333117.53598
Surface area
114465080418974304
Volume
2.6350123255932E+24
Space diagonal
239233233.91512
Perimeter
414364116
Area
8.2608056240884E+15
Altitude
119616616.95756
Surface area
8.2608056240884E+15
Volume
3.1053918065618E+23
Height
65111039.17866