238907981 (number)

238907981 is an odd 9-digits composite number following 238907980 and preceding 238907982. In scientific notation, it is written as 2.38907981 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 220530432 positive integers (up to 238907981) that are relatively prime to 238907981.

Interesting facts

Basic properties

Name

Name two hundred thirty-eight million nine hundred seven thousand nine hundred eighty-one

Notation

Scientific notation 2.38907981 × 10^8
Engineering notation 2.38907981 × 10^6

Prime Factorization of 238907981

Prime Factorization 13 × 18377537

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 238907981
Product of the distinct prime numbers

The prime factorization of 238907981 is 13 × 18377537. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 14, 18, 738, 154, 7332, 9634, 63434, 33488, 95587, 630392, 9377140, 6880602, 55629584, 7316426, 430005664, 632238407, 9519977235, 1464322597

Basic calculations (n = 238907981)

Multiplication

n×y
n×2 477815962
n×3 716723943
n×4 955631924
n×5 1194539905

Division

n÷y
n÷2 119453990.5
n÷3 79635993.666667
n÷3 59726995.25
n÷5 47781596.2

Exponentiation

ny
n2 57077023385496361
n3 1.3636156418519E+25
n4 3.2577865985485E+33
n5 7.7831121878808E+41

Nth Root

y√n
2√n 15456.648440073
3√n 620.50252442405
4√n 124.32477001818
5√n 47.385572456057

Divisors of 238907981

1, 13, 18377537, 238907981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -238907980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 238907981 can be divided by 4 positive divisors. The sum of these divisors (counting 238907981) is 1, the average is 0.25.

Base conversion 238907981

Base System Value
2 Binary 1110001111010111001001001101
3 Ternary 121122112210010202
4 Quaternary 32033113021031
5 Quinary 442130023411
6 Senary 35412343245
8 Octal 1617271115
10 Decimal 238907981
12 Duodecimal 68014b25
16 Hexadecimal e3d724d
20 Vigesimal 3ed39j1
36 Base36 3y8mkt

Cryptographic Hash Functions

md5 94c6cd21a4e3bb04649dddb36fdcd8db
sha1 5b6f449720f05fb8188cb4d2d1258907cdf2c3b3
sha256 85fd41e3e3fe0d682f3492e6b59e3f5c8cdb3b8dae45a07b360d609eafcc5778
sha512 28ca40f88968a9f12adefa3945bcabd0b94fb5d922fbcdb4b21521498bd898a0b9a260e0428cabea255f5b9ae7a8f55bfbc7a904974f879279a1335923b79b95
ripemd-160 cec00d6e498ad936609f54733a504c4ad3de9f6b

238907981 as geometric shapes

Circle

Radius = n
Diameter 477815962
Circumference 1501103115.9871
Area 1.7931275735665E+17

Sphere

Radius = n
Volume 5.7118998436826E+25
Surface area 7.1725102942659E+17
Circumference 1501103115.9871

Square

Length = n
Perimeter 955631924
Area 57077023385496361
Diagonal 337866906.88937

Cube

Length = n
Surface area 342462140312978166
Volume 1.3636156418519E+25
Space diagonal 413800761.4257

Equilateral Triangle

Length = n
Perimeter 716723943
Area 2.4715076112119E+16
Altitude 206900380.71285

Triangular Pyramid

Length = n
Surface area 2.4715076112119E+16
Volume 1.6070364454758E+24
Height 112622302.29646