78870981 (number)

78870981 is an odd 8-digits composite number following 78870980 and preceding 78870982. In scientific notation, it is written as 7.8870981 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 43514688 positive integers (up to 78870981) that are relatively prime to 78870981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8870981 × 10^7
Engineering notation 7.8870981 × 10^6

Prime Factorization of 78870981

Prime Factorization 7 × 3 × 29 × 129509

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78870981
Product of the distinct prime numbers

The prime factorization of 78870981 is 7 × 3 × 29 × 129509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 6, 23, 104, 966, 3818, 9358, 1158, 90497, 880907, 324495, 3762798, 368890, 2375839, 46945348, 606179948, 372388779, 7153606185, 9589705096

Basic calculations (n = 78870981)

Multiplication

n×y
n×2 157741962
n×3 236612943
n×4 315483924
n×5 394354905

Division

n÷y
n÷2 39435490.5
n÷3 26290327
n÷3 19717745.25
n÷5 15774196.2

Exponentiation

ny
n2 6220631643902361
n3 4.9062732019422E+23
n4 3.8696258049119E+31
n5 3.0520118333632E+39

Nth Root

y√n
2√n 8880.9335657914
3√n 428.85032895337
4√n 94.238705242546
5√n 37.965003873647

Divisors of 78870981

1, 3, 7, 21, 29, 87, 203, 609, 129509, 388527, 906563, 2719689, 3755761, 11267283, 26290327, 78870981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78870980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78870981 can be divided by 16 positive divisors. The sum of these divisors (counting 78870981) is 1, the average is 0.0625.

Base conversion 78870981

Base System Value
2 Binary 100101100110111100111000101
3 Ternary 12111102001122110
4 Quaternary 10230313213011
5 Quinary 130142332411
6 Senary 11454251233
8 Octal 454674705
10 Decimal 78870981
12 Duodecimal 224b6b19
16 Hexadecimal 4b379c5
20 Vigesimal 14cih91
36 Base36 1ayh8l

Cryptographic Hash Functions

md5 800e146361f6d0846c692db03c9d3aa6
sha1 a9b3b05cb8b877af179b71d35d00230b7138768b
sha256 947599a818a42e26f3474e33b51d47d45b78a0d9716ed828202e343d0acd6770
sha512 21ffaa1f7f3a9699c5ea847813e37184424648c607c97d17073ad0b27a6014c04becdf5e2e5d27ad7cf88abe81f129d27c0e811cadc23823bec539eefdc9a32f
ripemd-160 4fb6d7fa8edc086deba9a08a56e5be1b67a6f4c3

78870981 as geometric shapes

Circle

Radius = n
Diameter 157741962
Circumference 495560988.98204
Area 1.9542690673172E+16

Sphere

Radius = n
Volume 2.0551349130302E+24
Surface area 7.8170762692687E+16
Circumference 495560988.98204

Square

Length = n
Perimeter 315483924
Area 6220631643902361
Diagonal 111540411.00787

Cube

Length = n
Surface area 37323789863414166
Volume 4.9062732019422E+23
Space diagonal 136608546.3348

Equilateral Triangle

Length = n
Perimeter 236612943
Area 2.6936125156024E+15
Altitude 68304273.1674

Triangular Pyramid

Length = n
Surface area 2.6936125156024E+15
Volume 5.7820984190786E+22
Height 37180137.002624