1388941657 is an odd 10-digits composite number following 1388941656
and preceding 1388941658 . In scientific notation, it is written as 1.388941657 × 10^9.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 1386689920 positive integers (up to 1388941657) that are relatively prime to 1388941657.
1388941657 has 4 divisors, whose sum is 1391193396
The reverse of 1388941657 is 7561498831
Previous prime number is 617
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion three hundred eighty-eight million nine hundred forty-one thousand six hundred fifty-seven
Scientific notation
1.388941657 × 10^9
Engineering notation
1.388941657 × 10^9
Prime Factorization
617 × 2251121
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388941657
Product of the distinct prime numbers
The prime factorization of 1388941657 is 617 × 2251121.
Since it has a total of 2 prime factors.
10 , 6 , 10 , 54 , 945 , 113 , 6275 , 4640 , 9984 , 34981 , 998450 , 127648 , 4940758 , 2342717 , 99599159 , 2369136 , 179746476 , 921963762 , 3211090444 , 3707206014
n×2
2777883314
n×3
4166824971
n×4
5555766628
n×5
6944708285
n÷2
694470828.5
n÷3
462980552.33333
n÷3
347235414.25
n÷5
277788331.4
n2
1929158926549905649
n3
2.6794891960586E+27
n4
3.7216541638872E+36
n5
5.1691605011704E+45
2 √n
37268.507576773
3 √n
1115.7357131763
4 √n
193.05053114864
5 √n
67.380898940698
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388941656
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388941657 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388941657) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110010011001000101011001
3
Ternary
10120210112112202121
4
Quaternary
1102302121011121
5
Quinary
10321032113112
6
Senary
345453501241
8
Octal
12262310531
10
Decimal
1388941657
12
Duodecimal
3291a1821
16
Hexadecimal
52c99159
20
Vigesimal
11e0he2h
36
Base36
myxu8p
md5
9a3ad25cb8b4051c6f0b5709f2355ef7
sha1
10acc6bb215da94b70fe7cfac1d33cfefabdb1c8
sha256
6c81caceb6630a7b144de9558e6469536c10b6f8528ba46e598b3b6a56662d34
sha512
ebbf94aac34972fc50c1b73dcc234dac916034bd5c73d0f653a99913705664dcdc952f57db134ace164435d082975c9eed9522556608d9ec0d72c2713ceddd6c
ripemd-160
5c665f8e4cadbf86c30cc05f8d867dca6f076eef
Diameter
2777883314
Circumference
8726977811.7921
Area
6.0606315112564E+18
Volume
1.1223818098281E+28
Surface area
2.4242526045025E+19
Circumference
8726977811.7921
Perimeter
5555766628
Area
1929158926549905649
Diagonal
1964260128.6744
Surface area
1.1574953559299E+19
Volume
2.6794891960586E+27
Space diagonal
2405717518.6729
Perimeter
4166824971
Area
8.3535031916487E+17
Altitude
1202858759.3365
Surface area
8.3535031916487E+17
Volume
3.1578083010818E+26
Height
654753376.22479