251369980 (number)

251369980 is an even 9-digits composite number following 251369979 and preceding 251369981. In scientific notation, it is written as 2.51369980 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 100547984 positive integers (up to 251369980) that are relatively prime to 251369980.

Interesting facts

Basic properties

Name

Name two hundred fifty-one million three hundred sixty-nine thousand nine hundred eighty

Notation

Scientific notation 2.51369980 × 10^8
Engineering notation 2.51369980 × 10^6

Prime Factorization of 251369980

Prime Factorization 2 × 2 × 5 × 12568499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 125684990
Product of the distinct prime numbers

The prime factorization of 251369980 is 2 × 2 × 5 × 12568499. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 20, 38, 241, 223, 6889, 8883, 85482, 35068, 453083, 632704, 444184, 2043584, 3474878, 18653978, 929984253, 354728263, 3377833690, 7455453548

Basic calculations (n = 251369980)

Multiplication

n×y
n×2 502739960
n×3 754109940
n×4 1005479920
n×5 1256849900

Division

n÷y
n÷2 125684990
n÷3 83789993.333333
n÷3 62842495
n÷5 50273996

Exponentiation

ny
n2 63186866845200400
n3 1.5883281455141E+25
n4 3.9925801417131E+33
n5 1.0036147903708E+42

Nth Root

y√n
2√n 15854.651683339
3√n 631.10914048166
4√n 125.91525595947
5√n 47.869917842431

Divisors of 251369980

1, 2, 4, 5, 10, 20, 12568499, 25136998, 50273996, 62842495, 125684990, 251369980

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 -251369979
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 251369980 can be divided by 12 positive divisors. The sum of these divisors (counting 251369980) is 1, the average is 0.083333333333333.

Base conversion 251369980

Base System Value
2 Binary 1110111110111001100111111100
3 Ternary 122111222220210021
4 Quaternary 32332321213330
5 Quinary 1003322314410
6 Senary 40535421524
8 Octal 1676714774
10 Decimal 251369980
12 Duodecimal 702248a4
16 Hexadecimal efb99fc
20 Vigesimal 3ib14j0
36 Base36 45nqbg

Cryptographic Hash Functions

md5 90426606fd0017ac3b01aeaa348a5693
sha1 d35d66c2864745292cd2715b8f3313858691e215
sha256 3b7e71b922b6e571810dd78e9a0558cf827bd8e056f809bab686fd0d0e3036c9
sha512 8dd45ef0c4c9493de5c83ffce3a1fa0054c7c4a13596a098c4e431b784a2156589ba3a5e27bf32d690555e095bb66dc0d3d1ba8fcee7edc806a3cf216398cffb
ripemd-160 3fce9a62bb4148ccd76ac44f80bd3261766ee040

251369980 as geometric shapes

Circle

Radius = n
Diameter 502739960
Circumference 1579404165.002
Area 1.9850739668424E+17

Sphere

Radius = n
Volume 6.6531733779159E+25
Surface area 7.9402958673695E+17
Circumference 1579404165.002

Square

Length = n
Perimeter 1005479920
Area 63186866845200400
Diagonal 355490834.88945

Cube

Length = n
Surface area 379121201071202400
Volume 1.5883281455141E+25
Space diagonal 435385576.85757

Equilateral Triangle

Length = n
Perimeter 754109940
Area 2.7360715936744E+16
Altitude 217692788.42879

Triangular Pyramid

Length = n
Surface area 2.7360715936744E+16
Volume 1.8718626707374E+24
Height 118496944.96315