251689968 (number)

251689968 is an even 9-digits composite number following 251689967 and preceding 251689969. In scientific notation, it is written as 2.51689968 × 10^8. The sum of its digits is 54. It has a total of 6 prime factors and 20 positive divisors. There are 83896608 positive integers (up to 251689968) that are relatively prime to 251689968.

Interesting facts

Basic properties

Name

Name two hundred fifty-one million six hundred eighty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 2.51689968 × 10^8
Engineering notation 2.51689968 × 10^6

Prime Factorization of 251689968

Prime Factorization 2 × 2 × 2 × 2 × 9 × 1747847

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 31461246
Product of the distinct prime numbers

The prime factorization of 251689968 is 2 × 2 × 2 × 2 × 9 × 1747847. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 3, 17, 80, 546, 866, 3650, 2794, 91578, 39172, 223264, 91833, 4546378, 481447, 21311683, 27075517, 234920795, 430702788, 8718884679, 4002334016

Basic calculations (n = 251689968)

Multiplication

n×y
n×2 503379936
n×3 755069904
n×4 1006759872
n×5 1258449840

Division

n÷y
n÷2 125844984
n÷3 83896656
n÷3 62922492
n÷5 50337993.6

Exponentiation

ny
n2 63347839991841024
n3 1.5944015820416E+25
n4 4.0129488316319E+33
n5 1.0100189630191E+42

Nth Root

y√n
2√n 15864.739770951
3√n 631.37682256632
4√n 125.95530862552
5√n 47.88209909458

Divisors of 251689968

1, 2, 4, 8, 9, 16, 18, 36, 72, 144, 1747847, 3495694, 6991388, 13982776, 15730623, 27965552, 31461246, 62922492, 125844984, 251689968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -251689967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 251689968 can be divided by 20 positive divisors. The sum of these divisors (counting 251689968) is 1, the average is 0.05.

Base conversion 251689968

Base System Value
2 Binary 1111000000000111101111110000
3 Ternary 122112121011201200
4 Quaternary 33000013233300
5 Quinary 1003413034333
6 Senary 40550331200
8 Octal 1700075760
10 Decimal 251689968
12 Duodecimal 70359b00
16 Hexadecimal f007bf0
20 Vigesimal 3id14i8
36 Base36 45ul80

Cryptographic Hash Functions

md5 c33d74654b5db34045a4d91794fcf673
sha1 b266a8160887097c1a4823d2107463ea5d8c0b8a
sha256 67095d1ac632e2d43257c3f0c5bb6b1bccf13bc6d03f7a2e3f9cf1b457ee22b6
sha512 236318ec339f82559a131fa9a47394599edf94e5a7e6ff7692d6a910d46427d241858092c119adf379b992935a57b329f737aebee00d46baa47195b2ab93c6a5
ripemd-160 d611970bf4b484289eb634fcea4b2363c0a9bc78

251689968 as geometric shapes

Circle

Radius = n
Diameter 503379936
Circumference 1581414708.9021
Area 1.9901310873915E+17

Sphere

Radius = n
Volume 6.6786137293516E+25
Surface area 7.960524349566E+17
Circumference 1581414708.9021

Square

Length = n
Perimeter 1006759872
Area 63347839991841024
Diagonal 355943366.25885

Cube

Length = n
Surface area 380087039951046144
Volume 1.5944015820416E+25
Space diagonal 435939812.33138

Equilateral Triangle

Length = n
Perimeter 755069904
Area 2.7430419353903E+16
Altitude 217969906.16569

Triangular Pyramid

Length = n
Surface area 2.7430419353903E+16
Volume 1.8790202843269E+24
Height 118647788.75295