1280978071 is an odd 10-digits prime number following 1280978070
and preceding 1280978072 . In scientific notation, it is written as 1.280978071 × 10^9.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 1280978070 positive integers (up to 1280978071) that are relatively prime to 1280978071.
1280978071 has 2 divisors, whose sum is 1280978072
The reverse of 1280978071 is 1708790821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion two hundred eighty million nine hundred seventy-eight thousand seventy-one
Scientific notation
1.280978071 × 10^9
Engineering notation
1.280978071 × 10^9
Prime Factorization
1280978071
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1280978071
Product of the distinct prime numbers
The prime factorization of 1280978071 is 1280978071.
Since it has a total of 1 prime factors.
10 , 5 , 85 , 22 , 975 , 961 , 2264 , 3240 , 26003 , 74901 , 275180 , 615523 , 7062460 , 8818269 , 37065794 , 44222743 , 696870339 , 118187553 , 5307066842 , 4021414087
n×2
2561956142
n×3
3842934213
n×4
5123912284
n×5
6404890355
n÷2
640489035.5
n÷3
426992690.33333
n÷3
320244517.75
n÷5
256195614.2
n2
1640904818382881041
n3
2.1019630889467E+27
n4
2.6925686229922E+36
n5
3.4491213607156E+45
2 √n
35790.753987587
3 √n
1086.0435275986
4 √n
189.18444435943
5 √n
66.299207787334
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1280978072
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
640489036
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
35790.754001557
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999984387
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1280978071 can be divided by 2 positive divisors.
The sum of these divisors (counting 1280978071) is 1280978072, the average is 640489036.
Base
System
Value
2
Binary
1001100010110100010110010010111
3
Ternary
10022021101102120021
4
Quaternary
1030112202302113
5
Quinary
10110412244241
6
Senary
331035450011
8
Octal
11426426227
10
Decimal
1280978071
12
Duodecimal
2b8bb6907
16
Hexadecimal
4c5a2c97
20
Vigesimal
1006253b
36
Base36
l6nt07
md5
b7fdb80fe857fd8115d5ef057df1408e
sha1
2ea1e4e718f30b5caf1707e4695084459c29145d
sha256
28528bfaab36a6fa6341ad6daf29ad13c5867f3047be41ad9c16b9c1ae1e1510
sha512
d660d9666ad7822f3e3a9632e0cdf324705db1a8c39f570968230121b94e6b23a775dced349c536266fa22ebbf696820460cec8a84a067e8388ad112eba30639
ripemd-160
1d9e1248f61ab42fbb9abbe00240367881f2682f
Diameter
2561956142
Circumference
8048622594.5264
Area
5.1550545226718E+18
Volume
8.8046823978025E+27
Surface area
2.0620218090687E+19
Circumference
8048622594.5264
Perimeter
5123912284
Area
1640904818382881041
Diagonal
1811576561.1107
Surface area
9.8454289102973E+18
Volume
2.1019630889467E+27
Space diagonal
2218719102.3536
Perimeter
3842934213
Area
7.1053262895593E+17
Altitude
1109359551.1768
Surface area
7.1053262895593E+17
Volume
2.4771872566634E+26
Height
603858853.70358