1277993921 is an odd 10-digits composite number following 1277993920
and preceding 1277993922 . In scientific notation, it is written as 1.277993921 × 10^9.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 1202817792 positive integers (up to 1277993921) that are relatively prime to 1277993921.
1277993921 has 4 divisors, whose sum is 1353170052
The reverse of 1277993921 is 1293997721
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion two hundred seventy-seven million nine hundred ninety-three thousand nine hundred twenty-one
Scientific notation
1.277993921 × 10^9
Engineering notation
1.277993921 × 10^9
Prime Factorization
17 × 75176113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1277993921
Product of the distinct prime numbers
The prime factorization of 1277993921 is 17 × 75176113.
Since it has a total of 2 prime factors.
1 , 8 , 9 , 86 , 373 , 33 , 4438 , 3302 , 51377 , 67304 , 908302 , 691589 , 7422078 , 781212 , 57526859 , 73383702 , 483267381 , 804227729 , 2608063027 , 6776857145
n×2
2555987842
n×3
3833981763
n×4
5111975684
n×5
6389969605
n÷2
638996960.5
n÷3
425997973.66667
n÷3
319498480.25
n÷5
255598784.2
n2
1633268462112954241
n3
2.0873071659414E+27
n4
2.6675658693328E+36
n5
3.4091329648744E+45
2 √n
35749.04084028
3 √n
1085.1995275348
4 √n
189.07416756469
5 √n
66.268289006749
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
-1277993920
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 1277993921 can be divided by 4 positive divisors.
The sum of these divisors (counting 1277993921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001011001010001111000001
3
Ternary
10022001202211002012
4
Quaternary
1030023022033001
5
Quinary
10104131301141
6
Senary
330451502305
8
Octal
11413121701
10
Decimal
1277993921
12
Duodecimal
2b7bb7995
16
Hexadecimal
4c2ca3c1
20
Vigesimal
jj794g1
36
Base36
l4vuf5
md5
c580478fbf482159ba244d547573370f
sha1
63af3464d406a51757a36a7412c9e7e67791f634
sha256
169be7736ed8cfdd9b05f50bad758251d4b32d70009699946b15e0ff59c6bf6b
sha512
d4e54c4cad5bf4b5788fa314cfd6e3ebefaed24b65e4e87bbc0d6f13e9049c9fa9fd9d3cde84dd5deebf4e22f4d9179ec287c73ebc6735aaa56465326e3e445f
ripemd-160
81aa3149dc4ded7829ee4b0278e354907d2f5fc5
Diameter
2555987842
Circumference
8029872627.092
Area
5.131064201914E+18
Volume
8.7432918110757E+27
Surface area
2.0524256807656E+19
Circumference
8029872627.092
Perimeter
5111975684
Area
1633268462112954241
Diagonal
1807356335.7086
Surface area
9.7996107726777E+18
Volume
2.0873071659414E+27
Space diagonal
2213550402.9362
Perimeter
3833981763
Area
7.0722598969488E+17
Altitude
1106775201.4681
Surface area
7.0722598969488E+17
Volume
2.4599150857607E+26
Height
602452111.90286