261388148 (number)

261388148 is an even 9-digits composite number following 261388147 and preceding 261388149. In scientific notation, it is written as 2.61388148 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 112023408 positive integers (up to 261388148) that are relatively prime to 261388148.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million three hundred eighty-eight thousand one hundred forty-eight

Notation

Scientific notation 2.61388148 × 10^8
Engineering notation 2.61388148 × 10^6

Prime Factorization of 261388148

Prime Factorization 2 × 2 × 49 × 1333613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 130694074
Product of the distinct prime numbers

The prime factorization of 261388148 is 2 × 2 × 49 × 1333613. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 35, 47, 927, 561, 4263, 1239, 51096, 17344, 235752, 921347, 2792610, 2261737, 11254222, 80158457, 611078534, 549863755, 442108228, 5854430306

Basic calculations (n = 261388148)

Multiplication

n×y
n×2 522776296
n×3 784164444
n×4 1045552592
n×5 1306940740

Division

n÷y
n÷2 130694074
n÷3 87129382.666667
n÷3 65347037
n÷5 52277629.6

Exponentiation

ny
n2 68323763914869904
n3 1.7859022114097E+25
n4 4.6681367154949E+33
n5 1.220195610674E+42

Nth Root

y√n
2√n 16167.502837482
3√n 639.38429392333
4√n 127.15149561638
5√n 48.245540735792

Divisors of 261388148

1, 2, 4, 49, 98, 196, 1333613, 2667226, 5334452, 65347037, 130694074, 261388148

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261388147
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261388148 can be divided by 12 positive divisors. The sum of these divisors (counting 261388148) is 1, the average is 0.083333333333333.

Base conversion 261388148

Base System Value
2 Binary 1111100101000111011101110100
3 Ternary 200012211220010112
4 Quaternary 33211013131310
5 Quinary 1013403410043
6 Senary 41534242152
8 Octal 1745073564
10 Decimal 261388148
12 Duodecimal 73656358
16 Hexadecimal f947774
20 Vigesimal 41dda78
36 Base36 4bmgdw

Cryptographic Hash Functions

md5 dc45c41d48a24e0c0278908e44c31870
sha1 93b07114aaaf3b51416d23f663eeb7bcaea30337
sha256 8c0ee47f0c5a54cd31201e16e4e1d994c95846adbcecb53667bd45aa7e133140
sha512 41bbcc55a8d31931702bf9c602473b92597b6d50662eac3308d83a879da72ff1936a47c2670d030d99315f9acd21b278620e8ab45c1de0ea28a1689f6189cd6b
ripemd-160 0a3ab8f60a55214df30792901dd78b9b7880c98c

261388148 as geometric shapes

Circle

Radius = n
Diameter 522776296
Circumference 1642350170.9845
Area 2.1464543478056E+17

Sphere

Radius = n
Volume 7.4807696898593E+25
Surface area 8.5858173912223E+17
Circumference 1642350170.9845

Square

Length = n
Perimeter 1045552592
Area 68323763914869904
Diagonal 369658663.94519

Cube

Length = n
Surface area 409942583489219424
Volume 1.7859022114097E+25
Space diagonal 452737552.83233

Equilateral Triangle

Length = n
Perimeter 784164444
Area 2.9585057616224E+16
Altitude 226368776.41617

Triangular Pyramid

Length = n
Surface area 2.9585057616224E+16
Volume 2.1047059403731E+24
Height 123219554.6484