248640981 (number)

248640981 is an odd 9-digits composite number following 248640980 and preceding 248640982. In scientific notation, it is written as 2.48640981 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 164455200 positive integers (up to 248640981) that are relatively prime to 248640981.

Interesting facts

Basic properties

Name

Name two hundred forty-eight million six hundred forty thousand nine hundred eighty-one

Notation

Scientific notation 2.48640981 × 10^8
Engineering notation 2.48640981 × 10^6

Prime Factorization of 248640981

Prime Factorization 3 × 127 × 652601

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 248640981
Product of the distinct prime numbers

The prime factorization of 248640981 is 3 × 127 × 652601. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 55, 5, 386, 483, 9821, 7561, 77, 57124, 803364, 275640, 9794129, 7698715, 63710154, 48398885, 680686327, 604683507, 209685684, 8538884887

Basic calculations (n = 248640981)

Multiplication

n×y
n×2 497281962
n×3 745922943
n×4 994563924
n×5 1243204905

Division

n÷y
n÷2 124320490.5
n÷3 82880327
n÷3 62160245.25
n÷5 49728196.2

Exponentiation

ny
n2 61822337432642361
n3 1.5371566626965E+25
n4 3.8220014056355E+33
n5 9.5030617888059E+41

Nth Root

y√n
2√n 15768.35378218
3√n 628.8169458128
4√n 125.57210590804
5√n 47.765523526272

Divisors of 248640981

1, 3, 127, 381, 652601, 1957803, 82880327, 248640981

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 -248640980
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 248640981 can be divided by 8 positive divisors. The sum of these divisors (counting 248640981) is 1, the average is 0.125.

Base conversion 248640981

Base System Value
2 Binary 1110110100011111010111010101
3 Ternary 122022212021022020
4 Quaternary 32310133113111
5 Quinary 1002123002411
6 Senary 40401123353
8 Octal 1664372725
10 Decimal 248640981
12 Duodecimal 6b329559
16 Hexadecimal ed1f5d5
20 Vigesimal 3he0291
36 Base36 4418lx

Cryptographic Hash Functions

md5 712e1ede7d94a82854f088d9a08e46b1
sha1 58ab6b1ffdda09e4930a22de630beda09b427f52
sha256 bf2a2ab85047c4d8d1c960a299d8a3c4085ec91f967c531ab3b74c16d6ade60d
sha512 bde1b8b5859e74a1e00ee345c30232dcb98afd9897ab32f2562be2922bf73b1f53a63e1ef510da60fb07ac7a919ec06b574e2b482b99c1c09331ecf8d8461005
ripemd-160 138e26b1df28da053c47389367943760721fb3f9

248640981 as geometric shapes

Circle

Radius = n
Diameter 497281962
Circumference 1562257358.5819
Area 1.9422060110614E+17

Sphere

Radius = n
Volume 6.4388267719253E+25
Surface area 7.7688240442455E+17
Circumference 1562257358.5819

Square

Length = n
Perimeter 994563924
Area 61822337432642361
Diagonal 351631447.49195

Cube

Length = n
Surface area 370934024595854166
Volume 1.5371566626965E+25
Space diagonal 430658811.93577

Equilateral Triangle

Length = n
Perimeter 745922943
Area 2.6769857369001E+16
Altitude 215329405.96788

Triangular Pyramid

Length = n
Surface area 2.6769857369001E+16
Volume 1.811556499898E+24
Height 117210482.49732