78388840 (number)

78388840 is an even 8-digits composite number following 78388839 and preceding 78388841. In scientific notation, it is written as 7.8388840 × 10^7. The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors. There are 31355520 positive integers (up to 78388840) that are relatively prime to 78388840.

Interesting facts

Basic properties

Name

Name seventy-eight million three hundred eighty-eight thousand eight hundred forty

Notation

Scientific notation 7.8388840 × 10^7
Engineering notation 7.8388840 × 10^6

Prime Factorization of 78388840

Prime Factorization 2 × 2 × 2 × 5 × 1959721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 19597210
Product of the distinct prime numbers

The prime factorization of 78388840 is 2 × 2 × 2 × 5 × 1959721. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 64, 12, 795, 692, 6053, 8727, 4173, 4132, 757408, 372375, 299604, 6090390, 85355322, 32295089, 298372592, 858437994, 7699076792, 9674072876

Basic calculations (n = 78388840)

Multiplication

n×y
n×2 156777680
n×3 235166520
n×4 313555360
n×5 391944200

Division

n÷y
n÷2 39194420
n÷3 26129613.333333
n÷3 19597210
n÷5 15677768

Exponentiation

ny
n2 6144810236545600
n3 4.8168454646294E+23
n4 3.7758692843156E+31
n5 2.9598601318913E+39

Nth Root

y√n
2√n 8853.7472292809
3√n 427.97468333671
4√n 94.094352802285
5√n 37.918473684855

Divisors of 78388840

1, 2, 4, 5, 8, 10, 20, 40, 1959721, 3919442, 7838884, 9798605, 15677768, 19597210, 39194420, 78388840

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 -78388839
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 78388840 can be divided by 16 positive divisors. The sum of these divisors (counting 78388840) is 1, the average is 0.0625.

Base conversion 78388840

Base System Value
2 Binary 100101011000001111001101000
3 Ternary 12110111120021101
4 Quaternary 10223001321220
5 Quinary 130031420330
6 Senary 11440051144
8 Octal 453017150
10 Decimal 78388840
12 Duodecimal 22303ab4
16 Hexadecimal 4ac1e68
20 Vigesimal 149ic20
36 Base36 1ao57s

Cryptographic Hash Functions

md5 6d07ca97f4d31210a980a7f0ae4b82fe
sha1 bae466f1e48569575250c309c41048e04442f8f0
sha256 02130ff8480ae0c7f621d98e9ee82a644cc088786b4fc71482e78cdec001d1e9
sha512 bdeb6a4c9f73d6eb7ffaaefdc48d5955bfa426bcb910ad800f97f508e295d01a47cd6e8dc2bd4f9945d52bd6a203473ec5f1a7f010cc45651c8f718a80d5c244
ripemd-160 63a9ac38338a7d79927fab39fb1fb965862d7bfc

78388840 as geometric shapes

Circle

Radius = n
Diameter 156777680
Circumference 492531607.73485
Area 1.9304490696835E+16

Sphere

Radius = n
Volume 2.0176755100209E+24
Surface area 7.721796278734E+16
Circumference 492531607.73485

Square

Length = n
Perimeter 313555360
Area 6144810236545600
Diagonal 110858560.66669

Cube

Length = n
Surface area 36868861419273600
Volume 4.8168454646294E+23
Space diagonal 135773453.62639

Equilateral Triangle

Length = n
Perimeter 235166520
Area 2.6607808831416E+15
Altitude 67886726.813194

Triangular Pyramid

Length = n
Surface area 2.6607808831416E+15
Volume 5.6767068199451E+22
Height 36952853.555565