138889780 is an even 9-digits composite number following 138889779
and preceding 138889781 . In scientific notation, it is written as 1.38889780 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 55555904 positive integers (up to 138889780) that are relatively prime to 138889780.
138889780 has 12 divisors, whose sum is 291668580
The reverse of 138889780 is 087988831
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 52 Digital Root 7
Name
one hundred thirty-eight million eight hundred eighty-nine thousand seven hundred eighty
Scientific notation
1.38889780 × 10^8
Engineering notation
1.38889780 × 10^6
Prime Factorization
2 × 2 × 5 × 6944489
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
69444890 Product of the distinct prime numbers
The prime factorization of 138889780 is 2 × 2 × 5 × 6944489.
Since it has a total of 4 prime factors.
1 , 7 , 48 , 54 , 330 , 717 , 542 , 589 , 5282 , 71490 , 328846 , 148161 , 442978 , 1920872 , 5498638 , 98176538 , 143002741 , 348742841 , 2984764069 , 4416182123
n×2
277779560
n×3
416669340
n×4
555559120
n×5
694448900
n÷2
69444890
n÷3
46296593.333333
n÷3
34722445
n÷5
27777956
n2
19290370988448400
n3
2.679235382704E+24
n4
3.7211841287197E+32
n5
5.1683444497737E+40
2 √n11785.150826358
3 √n517.87319187904
4 √n108.55943453407
5 √n42.514204574877
1 , 2 , 4 , 5 , 10 , 20 , 6944489 , 13888978 , 27777956 , 34722445 , 69444890 , 138889780
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
-138889779 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 138889780 can be divided by 12 positive divisors.
The sum of these divisors (counting 138889780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000010001110100101000110100
3
Ternary
100200100022221221
4
Quaternary
20101310220310
5
Quinary
241023433110
6
Senary
21440520124
8
Octal
1021645064
10
Decimal
138889780
12
Duodecimal
3a620044
16
Hexadecimal
8474a34
20
Vigesimal
2381490
36
Base36
2aow1g
md5
7c45ba9b5e80884875c13d162e388d4e
sha1
30c6553b24e839ae3062265a548d83a0ce12c470
sha256
2d53b9245c58a5e8ff097f8ed30e006ef5a684f781945e6027ecedf74c923da6
sha512
5ec1ca0f55f98a6fbbf2443388631959619f68f3e2789bda2f3d736f452e54a2988122364a8efb1ffcde241ff3ee15c1db3fcfae94d2f0381275bdbf128fb934
ripemd-160
b3e0907666452c49a36819b0196727de7b922b3f
Diameter
277779560
Circumference
872670225.01341
Area
6.0602487782331E+16
Volume
1.1222754927388E+25
Surface area
2.4240995112932E+17
Circumference
872670225.01341
Perimeter
555559120
Area
19290370988448400
Diagonal
196419810.55102
Surface area
115742225930690400
Volume
2.679235382704E+24
Space diagonal
240564155.61206
Perimeter
416669340
Area
8.3529756622113E+15
Altitude
120282077.80603
Surface area
8.3529756622113E+15
Volume
3.1575091791749E+23
Height
65473270.183672