256996921 is an odd 9-digits prime number following 256996920
and preceding 256996922 . In scientific notation, it is written as 2.56996921 × 10^8.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 256996920 positive integers (up to 256996921) that are relatively prime to 256996921.
256996921 has 2 divisors, whose sum is 256996922
The reverse of 256996921 is 129699652
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
two hundred fifty-six million nine hundred ninety-six thousand nine hundred twenty-one
Scientific notation
2.56996921 × 10^8
Engineering notation
2.56996921 × 10^6
Prime Factorization
256996921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
256996921
Product of the distinct prime numbers
The prime factorization of 256996921 is 256996921.
Since it has a total of 1 prime factors.
8 , 2 , 90 , 64 , 830 , 578 , 5973 , 6537 , 20608 , 19895 , 786644 , 671471 , 452798 , 6165711 , 4752946 , 7310993 , 881472663 , 95195124 , 9152969754 , 9271124058
n×2
513993842
n×3
770990763
n×4
1027987684
n×5
1284984605
n÷2
128498460.5
n÷3
85665640.333333
n÷3
64249230.25
n÷5
51399384.2
n2
66047417403480241
n3
1.6973982912696E+25
n4
4.3622613456695E+33
n5
1.1210877344344E+42
2 √n
16031.123510222
3 √n
635.78357894193
4 √n
126.61407311283
5 √n
48.082338774898
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
256996922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
128498461
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
16031.123541412
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999922178
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 256996921 can be divided by 2 positive divisors.
The sum of these divisors (counting 256996921) is 256996922, the average is 128498461.
Base
System
Value
2
Binary
1111010100010111011000111001
3
Ternary
122220120210111111
4
Quaternary
33110113120321
5
Quinary
1011242400141
6
Senary
41300200321
8
Octal
1724273071
10
Decimal
256996921
12
Duodecimal
720990a1
16
Hexadecimal
f517639
20
Vigesimal
4064c61
36
Base36
490c3d
md5
244ef475ed03c9c89d1c7a3113806cb0
sha1
2abf8bc64f13cf450f0a0d2dead731523c4ac939
sha256
e094c83f542cae7849c60a04b3adf7aa62a4d48ea3fe87616fe4374c0ed7c1e1
sha512
dd20dcfacc1ab50890115223d29f9cddbf789e4e48b00a25f9168442b83792ee97d50149b4c2ae8dd9e2affe159840674afd5e27b5a489c49363bffb619d79b5
ripemd-160
d6291d528c5fe850333c70a7838b3387816aee96
Diameter
513993842
Circumference
1614759278.0176
Area
2.0749408130335E+17
Volume
7.1100453360914E+25
Surface area
8.2997632521341E+17
Circumference
1614759278.0176
Perimeter
1027987684
Area
66047417403480241
Diagonal
363448531.16633
Surface area
396284504420881446
Volume
1.6973982912696E+25
Space diagonal
445131724.56076
Perimeter
770990763
Area
2.8599370662884E+16
Altitude
222565862.28038
Surface area
2.8599370662884E+16
Volume
2.0004030702187E+24
Height
121149510.38878