87089981 (number)

87089981 is an odd 8-digits composite number following 87089980 and preceding 87089982. In scientific notation, it is written as 8.7089981 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 79172700 positive integers (up to 87089981) that are relatively prime to 87089981.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-nine thousand nine hundred eighty-one

Notation

Scientific notation 8.7089981 × 10^7
Engineering notation 8.7089981 × 10^6

Prime Factorization of 87089981

Prime Factorization 11 × 7917271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87089981
Product of the distinct prime numbers

The prime factorization of 87089981 is 11 × 7917271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87089981)

Multiplication

n×y
n×2 174179962
n×3 261269943
n×4 348359924
n×5 435449905

Division

n÷y
n÷2 43544990.5
n÷3 29029993.666667
n÷3 21772495.25
n÷5 17417996.2

Exponentiation

ny
n2 7584664790580361
n3 6.6054831250301E+23
n4 5.7527139985469E+31
n5 5.0100375283189E+39

Nth Root

y√n
2√n 9332.2012944428
3√n 443.25747202291
4√n 96.603319272387
5√n 38.725197304293

Divisors of 87089981

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 -87089980
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 87089981 can be divided by 4 positive divisors. The sum of these divisors (counting 87089981) is 1, the average is 0.25.

Base conversion 87089981

Base System Value
2 Binary 101001100001110001100111101
3 Ternary 20001212121222212
4 Quaternary 11030032030331
5 Quinary 134243334411
6 Senary 12350350205
8 Octal 514161475
10 Decimal 87089981
12 Duodecimal 251bb365
16 Hexadecimal 530e33d
20 Vigesimal 17464j1
36 Base36 1fun25

Cryptographic Hash Functions

md5 2738b531fcb930b2c77eb91f32ee0203
sha1 d4385179cdc2f5d768ff3243522f4bc32e1e56c5
sha256 30a2a75b13b3a6c24dedd77bf99512fc0467786e2041724ef83e970fb577c741
sha512 d2e7270ac934e2e51c8bad54082e121cb2694b2438d0ec6c7e260c79d2a6fbc01f3cf44af01774538c4da5253675cc580030f4e0194e43b67fa6bfe8f9f3dc11
ripemd-160 caa9e90b9a4ae8b541d34422f5ae51eae1cac4f3

87089981 as geometric shapes

Circle

Radius = n
Diameter 174179962
Circumference 547202489.02175
Area 2.3827927186028E+16

Sphere

Radius = n
Volume 2.7668983012008E+24
Surface area 9.5311708744114E+16
Circumference 547202489.02175

Square

Length = n
Perimeter 348359924
Area 7584664790580361
Diagonal 123163832.27702

Cube

Length = n
Surface area 45507988743482166
Volume 6.6054831250301E+23
Space diagonal 150844271.92221

Equilateral Triangle

Length = n
Perimeter 261269943
Area 3.284256193916E+15
Altitude 75422135.961104

Triangular Pyramid

Length = n
Surface area 3.284256193916E+15
Volume 7.7846365178702E+22
Height 41054610.759005