1388998977 is an odd 10-digits composite number following 1388998976
and preceding 1388998978 . In scientific notation, it is written as 1.388998977 × 10^9.
The sum of its digits is 69. It has a total of 3 prime factors and 8 positive divisors.
There are 922024608 positive integers (up to 1388998977) that are relatively prime to 1388998977.
1388998977 has 8 divisors, whose sum is 1859948064
The reverse of 1388998977 is 7798998831
Previous prime number is 233
Is Prime? no Number parity odd Number length 10 Sum of Digits 69 Digital Root 6
Name
one billion three hundred eighty-eight million nine hundred ninety-eight thousand nine hundred seventy-seven
Scientific notation
1.388998977 × 10^9
Engineering notation
1.388998977 × 10^9
Prime Factorization
3 × 233 × 1987123
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1388998977 Product of the distinct prime numbers
The prime factorization of 1388998977 is 3 × 233 × 1987123.
Since it has a total of 3 prime factors.
5 , 7 , 68 , 98 , 508 , 687 , 9965 , 1840 , 30289 , 81107 , 359040 , 830661 , 4023168 , 8021634 , 58269178 , 97096642 , 147191438 , 515775316 , 3426702632 , 9466987064
n×2
2777997954
n×3
4166996931
n×4
5555995908
n×5
6944994885
n÷2
694499488.5
n÷3
462999659
n÷3
347249744.25
n÷5
277799795.4
n2
1929318158107046529
n3
2.6798209479182E+27
n4
3.7222685552016E+36
n5
5.1702272152942E+45
2 √n37269.27658273
3 √n1115.7510613351
4 √n193.05252286031
5 √n67.381455077718
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1388998976 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388998977 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388998977) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110010100111000101000001
3
Ternary
10120210122110101120
4
Quaternary
1102302213011001
5
Quinary
10321040431402
6
Senary
345455022453
8
Octal
12262470501
10
Decimal
1388998977
12
Duodecimal
32920aa29
16
Hexadecimal
52ca7141
20
Vigesimal
11e14h8h
36
Base36
myz2gx
md5
505a11594db1b8db9e8c4c10fdf6e8d9
sha1
04a00bb7763fb878c9124737c7027d23c549da15
sha256
7cc7b8c61e0d386b5d7db8e78113757867f166d0c2d460696bcf9a0da90554bd
sha512
5613c235040db3e8b365dc7831752cae3b92c6418c82137283ff34997951ada8236b44a799d095866c302338b4aa6208d676db7a4173249cf414347ca9ecd6f9
ripemd-160
e11f5a4d058f9b2d52eb56cc8e0091ceb1b45860
Diameter
2777997954
Circumference
8727337963.9739
Area
6.0611317519465E+18
Volume
1.1225207737221E+28
Surface area
2.4244527007786E+19
Circumference
8727337963.9739
Perimeter
5555995908
Area
1929318158107046529
Diagonal
1964341191.3958
Surface area
1.1575908948642E+19
Volume
2.6798209479182E+27
Space diagonal
2405816799.8252
Perimeter
4166996931
Area
8.3541926845165E+17
Altitude
1202908399.9126
Surface area
8.3541926845165E+17
Volume
3.1581992743979E+26
Height
654780397.13192