138757978 is an even 9-digits composite number following 138757977
and preceding 138757979 . In scientific notation, it is written as 1.38757978 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 65213440 positive integers (up to 138757978) that are relatively prime to 138757978.
138757978 has 16 divisors, whose sum is 220665384
The reverse of 138757978 is 879757831
Previous prime number is 941
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred thirty-eight million seven hundred fifty-seven thousand nine hundred seventy-eight
Scientific notation
1.38757978 × 10^8
Engineering notation
1.38757978 × 10^6
Prime Factorization
2 × 17 × 941 × 4337
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138757978
Product of the distinct prime numbers
The prime factorization of 138757978 is 2 × 17 × 941 × 4337.
Since it has a total of 4 prime factors.
9 , 3 , 88 , 21 , 996 , 140 , 8205 , 2427 , 74677 , 84227 , 387 , 777027 , 9805836 , 169267 , 96783679 , 91418959 , 966854516 , 562697536 , 3109443848 , 3761314777
n×2
277515956
n×3
416273934
n×4
555031912
n×5
693789890
n÷2
69378989
n÷3
46252659.333333
n÷3
34689494.5
n÷5
27751595.6
n2
19253776458648484
n3
2.6716150902661E+24
n4
3.7070790791961E+32
n5
5.1438679731535E+40
2 √n
11779.557631762
3 √n
517.70932495045
4 √n
108.53367049797
5 √n
42.506132583684
1 , 2 , 17 , 34 , 941 , 1882 , 4337 , 8674 , 15997 , 31994 , 73729 , 147458 , 4081117 , 8162234 , 69378989 , 138757978
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
-138757977
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 138757978 can be divided by 16 positive divisors.
The sum of these divisors (counting 138757978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010001010100011101011010
3
Ternary
100200002122011101
4
Quaternary
20101110131122
5
Quinary
241010223403
6
Senary
21434022014
8
Octal
1021243532
10
Decimal
138757978
12
Duodecimal
3a57790a
16
Hexadecimal
845475a
20
Vigesimal
2374eii
36
Base36
2am2ca
md5
e22ea241f5d5797f01b53cb880af4828
sha1
f88f80f65d95893113e84cb8a500a91de36f773e
sha256
358bf65054e44ac14e138e886482d0cbeb577bb74b466ca5ba80128f52c64418
sha512
410db06846e1bc17fb4a23bb3c69b257723235b74c7a9b12e7fde7672b34decf20dc92ad6e39a59ebca91705b2167a30abb03295b25fafdf768372ee569ec899
ripemd-160
134ee7d58ebdc5dc33ddd33bdfd364456a82d184
Diameter
277515956
Circumference
871842088.62355
Area
6.048752267635E+16
Volume
1.1190835121066E+25
Surface area
2.419500907054E+17
Circumference
871842088.62355
Perimeter
555031912
Area
19253776458648484
Diagonal
196233414.37507
Surface area
115522658751890904
Volume
2.6716150902661E+24
Space diagonal
240335867.85152
Perimeter
416273934
Area
8.3371297659882E+15
Altitude
120167933.92576
Surface area
8.3371297659882E+15
Volume
3.1485285784124E+23
Height
65411138.125023