256996961 (number)

256996961 is an odd 9-digits composite number following 256996960 and preceding 256996962. In scientific notation, it is written as 2.56996961 × 10^8. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 235519632 positive integers (up to 256996961) that are relatively prime to 256996961.

Interesting facts

Basic properties

Name

Name two hundred fifty-six million nine hundred ninety-six thousand nine hundred sixty-one

Notation

Scientific notation 2.56996961 × 10^8
Engineering notation 2.56996961 × 10^6

Prime Factorization of 256996961

Prime Factorization 13 × 139 × 142223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 256996961
Product of the distinct prime numbers

The prime factorization of 256996961 is 13 × 139 × 142223. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 38, 60, 845, 428, 7597, 3628, 22717, 4425, 989753, 623690, 4486234, 6718989, 80956636, 55111426, 294344422, 103596256, 7392188074, 8932029245

Basic calculations (n = 256996961)

Multiplication

n×y
n×2 513993922
n×3 770990883
n×4 1027987844
n×5 1284984805

Division

n÷y
n÷2 128498480.5
n÷3 85665653.666667
n÷3 64249240.25
n÷5 51399392.2

Exponentiation

ny
n2 66047437963235521
n3 1.6973990838388E+25
n4 4.3622640615074E+33
n5 1.1210886068869E+42

Nth Root

y√n
2√n 16031.124757795
3√n 635.78361192721
4√n 126.61407803951
5√n 48.082340271642

Divisors of 256996961

1, 13, 139, 1807, 142223, 1848899, 19768997, 256996961

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -256996960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 256996961 can be divided by 8 positive divisors. The sum of these divisors (counting 256996961) is 1, the average is 0.125.

Base conversion 256996961

Base System Value
2 Binary 1111010100010111011001100001
3 Ternary 122220120210112222
4 Quaternary 33110113121201
5 Quinary 1011242400321
6 Senary 41300200425
8 Octal 1724273141
10 Decimal 256996961
12 Duodecimal 72099115
16 Hexadecimal f517661
20 Vigesimal 4064c81
36 Base36 490c4h

Cryptographic Hash Functions

md5 e13d23b29c795d8f7a6c507e361360d7
sha1 d525e47329661f0b8c3f0b69df97113f8cbae46e
sha256 0206f64660f88af3218ec6c3132fb0c82b8063d643600c6d51a62d404397182d
sha512 7a0770e40c1461a08fe10ea13b62016a92b0518e0d7a245bff58b99119566d982ed845884827a90bfe73d35d8a872d7d003a424754456699c41b61616a36d8aa
ripemd-160 9d88efe4c6606c3ae0e851be2714cf39546185c4

256996961 as geometric shapes

Circle

Radius = n
Diameter 513993922
Circumference 1614759529.345
Area 2.0749414589373E+17

Sphere

Radius = n
Volume 7.1100486559972E+25
Surface area 8.2997658357491E+17
Circumference 1614759529.345

Square

Length = n
Perimeter 1027987844
Area 66047437963235521
Diagonal 363448587.73487

Cube

Length = n
Surface area 396284627779413126
Volume 1.6973990838388E+25
Space diagonal 445131793.8428

Equilateral Triangle

Length = n
Perimeter 770990883
Area 2.8599379565519E+16
Altitude 222565896.9214

Triangular Pyramid

Length = n
Surface area 2.8599379565519E+16
Volume 2.0004040042704E+24
Height 121149529.24496