1387961 is an odd 7-digits prime number following 1387960
and preceding 1387962 . In scientific notation, it is written as 1.387961 × 10^6.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 1387960 positive integers (up to 1387961) that are relatively prime to 1387961.
1387961 has 2 divisors, whose sum is 1387962
The reverse of 1387961 is 1697831
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 35
Digital Root 8
Name
one million three hundred eighty-seven thousand nine hundred sixty-one
Scientific notation
1.387961 × 10^6
Engineering notation
1.387961 × 10^6
Prime Factorization
1387961
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1387961
Product of the distinct prime numbers
The prime factorization of 1387961 is 1387961.
Since it has a total of 1 prime factors.
7 , 3 , 83 , 81 , 437 , 360 , 5174 , 6233 , 22665 , 93513 , 702457 , 896909 , 3531285 , 6749266 , 47413649 , 29468270 , 331877210 , 123177564 , 3664478411 , 9998019373
n×2
2775922
n×3
4163883
n×4
5551844
n×5
6939805
n÷2
693980.5
n÷3
462653.66666667
n÷3
346990.25
n÷5
277592.2
n2
1926435737521
n3
2673817672685384681
n4
3.7111546507981E+24
n5
5.1509379202764E+30
2 √n
1178.1175662895
3 √n
111.547306436
4 √n
34.323717256287
5 √n
16.922925892794
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1387962
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
693981
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1178.1179906953
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999985590384
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1387961 can be divided by 2 positive divisors.
The sum of these divisors (counting 1387961) is 1387962, the average is 693981.
Base
System
Value
2
Binary
101010010110110111001
3
Ternary
2121111220222
4
Quaternary
11102312321
5
Quinary
323403321
6
Senary
45425425
8
Octal
5226671
10
Decimal
1387961
12
Duodecimal
56b275
16
Hexadecimal
152db9
20
Vigesimal
8d9i1
36
Base36
tqyh
md5
f37c0908838f6285f30aa31ba672fec5
sha1
dab486e80d337cc7d7cb534c895e83558267432f
sha256
d5e1057e120ec9e7aa9bfda1cd1085ad3046fde1d1b757b0121e73c8f9ece2b9
sha512
17b6ce7d552d7657b96a9822f650521e8ce1fd5d293ef60ab3b6bb3ceeda695c42eaa45391c35734c9dbb0d31617421c878ce26f4e7945f7a4fd69ccdd2f3390
ripemd-160
7357dc3874ae1140059fdf5425a3d1507dab3616
Diameter
2775922
Circumference
8720816.1621383
Area
6052076360608.8
Volume
1.1200061276729E+19
Surface area
24208305442435
Circumference
8720816.1621383
Perimeter
5551844
Area
1926435737521
Diagonal
1962873.2702449
Surface area
11558614425126
Volume
2673817672685384681
Space diagonal
2404018.9709241
Perimeter
4163883
Area
834171143725.7
Altitude
1202009.4854621
Surface area
834171143725.7
Volume
3.1511243466871E+17
Height
654291.09008164