87081379 (number)

87081379 is an odd 8-digits composite number following 87081378 and preceding 87081380. In scientific notation, it is written as 8.7081379 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 67855200 positive integers (up to 87081379) that are relatively prime to 87081379.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081379 × 10^7
Engineering notation 8.7081379 × 10^6

Prime Factorization of 87081379

Prime Factorization 7 × 11 × 7 × 161561

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12440197
Product of the distinct prime numbers

The prime factorization of 87081379 is 7 × 11 × 7 × 161561. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 13, 90, 277, 55, 666, 3693, 46697, 94511, 957320, 145159, 9066518, 6077213, 28388543, 33394671, 58685395, 147252876, 9789122599, 738934614

Basic calculations (n = 87081379)

Multiplication

n×y
n×2 174162758
n×3 261244137
n×4 348325516
n×5 435406895

Division

n÷y
n÷2 43540689.5
n÷3 29027126.333333
n÷3 21770344.75
n÷5 17416275.8

Exponentiation

ny
n2 7583166568541641
n3 6.603526019753E+23
n4 5.7504415206248E+31
n5 5.0075637747486E+39

Nth Root

y√n
2√n 9331.7404057335
3√n 443.24287782094
4√n 96.600933772576
5√n 38.72443228562

Divisors of 87081379

1, 7, 11, 49, 77, 539, 161561, 1130927, 1777171, 7916489, 12440197, 87081379

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 -87081378
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 87081379 can be divided by 12 positive divisors. The sum of these divisors (counting 87081379) is 1, the average is 0.083333333333333.

Base conversion 87081379

Base System Value
2 Binary 101001100001100000110100011
3 Ternary 20001212012012021
4 Quaternary 11030030012203
5 Quinary 134243101004
6 Senary 12350242311
8 Octal 514140643
10 Decimal 87081379
12 Duodecimal 251b6397
16 Hexadecimal 530c1a3
20 Vigesimal 174538j
36 Base36 1fugf7

Cryptographic Hash Functions

md5 7a26221f881154269bd9ae51b8f27ce1
sha1 5a50df8dc35a9a11be39574b6b9296b948d19ad2
sha256 212c5dcf0f687daa92cd459ddbfa4a4ba3180744d8f9e6e22ee76bbc524cf9bb
sha512 e3f08a473740a6c026205dcd88b7a7dba1ff1f3f3b544c8037d84cb87ac0dbaa3f79cfb262c11602a4df96e055ddf3b7e34c439905a9baa4963b4200a1166625
ripemd-160 b5ad17fed712ee9e32bd03e9f546a0b8b62d136d

87081379 as geometric shapes

Circle

Radius = n
Diameter 174162758
Circumference 547148441.06174
Area 2.3823220382678E+16

Sphere

Radius = n
Volume 2.7660785108594E+24
Surface area 9.5292881530713E+16
Circumference 547148441.06174

Square

Length = n
Perimeter 348325516
Area 7583166568541641
Diagonal 123151667.21195

Cube

Length = n
Surface area 45498999411249846
Volume 6.603526019753E+23
Space diagonal 150829372.82116

Equilateral Triangle

Length = n
Perimeter 261244137
Area 3.283607444743E+15
Altitude 75414686.410581

Triangular Pyramid

Length = n
Surface area 3.283607444743E+15
Volume 7.782330047182E+22
Height 41050555.737317