245397721 (number)

245397721 is an odd 9-digits composite number following 245397720 and preceding 245397722. In scientific notation, it is written as 2.45397721 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 244199280 positive integers (up to 245397721) that are relatively prime to 245397721.

Interesting facts

Basic properties

Name

Name two hundred forty-five million three hundred ninety-seven thousand seven hundred twenty-one

Notation

Scientific notation 2.45397721 × 10^8
Engineering notation 2.45397721 × 10^6

Prime Factorization of 245397721

Prime Factorization 599 × 499 × 821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 245397721
Product of the distinct prime numbers

The prime factorization of 245397721 is 599 × 499 × 821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 72, 23, 601, 561, 3678, 2287, 16832, 14342, 250021, 583756, 2092139, 4605887, 48621367, 75750378, 559471195, 462255024, 5641175790, 4220436186

Basic calculations (n = 245397721)

Multiplication

n×y
n×2 490795442
n×3 736193163
n×4 981590884
n×5 1226988605

Division

n÷y
n÷2 122698860.5
n÷3 81799240.333333
n÷3 61349430.25
n÷5 49079544.2

Exponentiation

ny
n2 60220041471993841
n3 1.4777860935753E+25
n4 3.6264533948887E+33
n5 8.8992339841839E+41

Nth Root

y√n
2√n 15665.175421935
3√n 626.07088599712
4√n 125.1605985202
5√n 47.640258027361

Divisors of 245397721

1, 499, 599, 821, 298901, 409679, 491779, 245397721

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 -245397720
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 245397721 can be divided by 8 positive divisors. The sum of these divisors (counting 245397721) is 1, the average is 0.125.

Base conversion 245397721

Base System Value
2 Binary 1110101000000111100011011001
3 Ternary 122002202111101111
4 Quaternary 32220013203121
5 Quinary 1000310211341
6 Senary 40203420321
8 Octal 1650074331
10 Decimal 245397721
12 Duodecimal 6a2246a1
16 Hexadecimal ea078d9
20 Vigesimal 3gdee61
36 Base36 423q3d

Cryptographic Hash Functions

md5 cdb4a02dbf0bb6a42cbf641f8837a759
sha1 eb1abbcd7f6f0b7a5ddd094bafcd16b05edaba5a
sha256 cdc6732ec6f8a799f9e045c317f976fde08cdb287e1ac7b5189f0476eb6f03e5
sha512 e86463e8f27cdef57b762e145d8a27d80aa5f1ac7d99837ac3948e691bc968949b0b5c6faa077d6cba8a9e790bede8a8b5174ed3929e11793cb51a64381c992c
ripemd-160 e3463d500440defde61b085fa74423024af55275

245397721 as geometric shapes

Circle

Radius = n
Diameter 490795442
Circumference 1541879355.0026
Area 1.8918683988729E+17

Sphere

Radius = n
Volume 6.1901359135377E+25
Surface area 7.5674735954915E+17
Circumference 1541879355.0026

Square

Length = n
Perimeter 981590884
Area 60220041471993841
Diagonal 347044785.21365

Cube

Length = n
Surface area 361320248831963046
Volume 1.4777860935753E+25
Space diagonal 425041320.83361

Equilateral Triangle

Length = n
Perimeter 736193163
Area 2.607604286585E+16
Altitude 212520660.41681

Triangular Pyramid

Length = n
Surface area 2.607604286585E+16
Volume 1.7415876131838E+24
Height 115681595.07122