87081978 (number)

87081978 is an even 8-digits composite number following 87081977 and preceding 87081979. In scientific notation, it is written as 8.7081978 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 27423360 positive integers (up to 87081978) that are relatively prime to 87081978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081978 × 10^7
Engineering notation 8.7081978 × 10^6

Prime Factorization of 87081978

Prime Factorization 2 × 3 × 19 × 461 × 1657

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 87081978
Product of the distinct prime numbers

The prime factorization of 87081978 is 2 × 3 × 19 × 461 × 1657. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 49, 18, 204, 290, 7966, 7870, 93635, 86463, 123213, 962417, 2359172, 5976638, 8050976, 29574190, 549231749, 292940164, 7190142304, 3259714365

Basic calculations (n = 87081978)

Multiplication

n×y
n×2 174163956
n×3 261245934
n×4 348327912
n×5 435409890

Division

n÷y
n÷2 43540989
n÷3 29027326
n÷3 21770494.5
n÷5 17416395.6

Exponentiation

ny
n2 7583270892392484
n3 6.6036622901936E+23
n4 5.7505997427407E+31
n5 5.0077360028415E+39

Nth Root

y√n
2√n 9331.7725004417
3√n 443.24389411887
4√n 96.601099892505
5√n 38.724485559629

Divisors of 87081978

1, 2, 3, 6, 19, 38, 57, 114, 461, 922, 1383, 1657, 2766, 3314, 4971, 8759, 9942, 17518, 26277, 31483, 52554, 62966, 94449, 188898, 763877, 1527754, 2291631, 4583262, 14513663, 29027326, 43540989, 87081978

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87081977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081978 can be divided by 32 positive divisors. The sum of these divisors (counting 87081978) is 1, the average is 0.03125.

Base conversion 87081978

Base System Value
2 Binary 101001100001100001111111010
3 Ternary 20001212020000110
4 Quaternary 11030030033322
5 Quinary 134243110403
6 Senary 12350245150
8 Octal 514141772
10 Decimal 87081978
12 Duodecimal 251b67b6
16 Hexadecimal 530c3fa
20 Vigesimal 17454ii
36 Base36 1fugvu

Cryptographic Hash Functions

md5 9244ccc1d3444261028dd1a0546dc484
sha1 e10ba8da971bc9657c6a099b723d46d420b1796d
sha256 af969fa55b3a6b71682ca87076424e4f11f28ce05b8ead7a2daea2c49532682a
sha512 ccf5c5d3bb8f566147dbe7c91fd8d1b571a46d1ab58db4cd3ffc395ff9db23705984db064103973921c580f7e8663bea1a8113c1571414f07a305435e85a9a37
ripemd-160 b0e0987a8277d481d93ccce98ba4d444bc89da8e

87081978 as geometric shapes

Circle

Radius = n
Diameter 174163956
Circumference 547152204.68974
Area 2.3823548125722E+16

Sphere

Radius = n
Volume 2.766135591688E+24
Surface area 9.5294192502886E+16
Circumference 547152204.68974

Square

Length = n
Perimeter 348327912
Area 7583270892392484
Diagonal 123152514.32588

Cube

Length = n
Surface area 45499625354354904
Volume 6.6036622901936E+23
Space diagonal 150830410.3196

Equilateral Triangle

Length = n
Perimeter 261245934
Area 3.2836526182955E+15
Altitude 75415205.159798

Triangular Pyramid

Length = n
Surface area 3.2836526182955E+15
Volume 7.7824906434363E+22
Height 41050838.108625