78729840 (number)

78729840 is an even 8-digits composite number following 78729839 and preceding 78729841. In scientific notation, it is written as 7.8729840 × 10^7. The sum of its digits is 45. It has a total of 8 prime factors and 80 positive divisors. There are 17418240 positive integers (up to 78729840) that are relatively prime to 78729840.

Interesting facts

Basic properties

Name

Name seventy-eight million seven hundred twenty-nine thousand eight hundred forty

Notation

Scientific notation 7.8729840 × 10^7
Engineering notation 7.8729840 × 10^6

Prime Factorization of 78729840

Prime Factorization 2 × 2 × 2 × 2 × 2583 × 5 × 3 × 127

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 9841230
Product of the distinct prime numbers

The prime factorization of 78729840 is 2 × 2 × 2 × 2 × 2583 × 5 × 3 × 127. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 7, 98, 87, 411, 768, 6270, 6002, 50026, 60020, 952514, 220157, 1297160, 8821733, 5174964, 46459856, 810450392, 423800590, 6098761545, 2257572908

Basic calculations (n = 78729840)

Multiplication

n×y
n×2 157459680
n×3 236189520
n×4 314919360
n×5 393649200

Division

n÷y
n÷2 39364920
n÷3 26243280
n÷3 19682460
n÷5 15745968

Exponentiation

ny
n2 6198387706425600
n3 4.8799807238485E+23
n4 3.8420010159168E+31
n5 3.0248012526297E+39

Nth Root

y√n
2√n 8872.983714625
3√n 428.5943644868
4√n 94.196516467569
5√n 37.95140632925

Divisors of 78729840

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 2583, 3048, 3810, 5080, 5166, 6096, 7620, 7749, 10160, 10332, 12915, 15240, 15498, 20664, 25830, 30480, 30996, 38745, 41328, 51660, 61992, 77490, 103320, 123984, 154980, 206640, 309960, 328041, 619920, 656082, 984123, 1312164, 1640205, 1968246, 2624328, 3280410, 3936492, 4920615, 5248656, 6560820, 7872984, 9841230, 13121640, 15745968, 19682460, 26243280, 39364920, 78729840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78729839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78729840 can be divided by 80 positive divisors. The sum of these divisors (counting 78729840) is 1, the average is 0.0125.

Base conversion 78729840

Base System Value
2 Binary 100101100010101001001110000
3 Ternary 12111010220001000
4 Quaternary 10230111021300
5 Quinary 130123323330
6 Senary 11451242000
8 Octal 454251160
10 Decimal 78729840
12 Duodecimal 22449300
16 Hexadecimal 4b15270
20 Vigesimal 14c14c0
36 Base36 1avgc0

Cryptographic Hash Functions

md5 e5b231192d4fe7fab6ed04c48ac100bd
sha1 6f27a0a7e820d9f09cd55f687d3c63c1ef6e8d70
sha256 c3264afa2aa548f170407d36eac6081771b99fe278d6e983286a59d8bb0d3dee
sha512 54651990fd7bfa9e0b06eadb66cc11e6b82072dd5c2fcf05d4bda8133760d2a0c86e78f740509232bc59ffa411651e8e60a5dd1d6c41e44aa2afab53edeec0c5
ripemd-160 dfa43363bf69e8c740e814339c1f5c188c7127ca

78729840 as geometric shapes

Circle

Radius = n
Diameter 157459680
Circumference 494674173.9246
Area 1.9472809282608E+16

Sphere

Radius = n
Volume 2.0441215455603E+24
Surface area 7.7891237130432E+16
Circumference 494674173.9246

Square

Length = n
Perimeter 314919360
Area 6198387706425600
Diagonal 111340807.49146

Cube

Length = n
Surface area 37190326238553600
Volume 4.8799807238485E+23
Space diagonal 136364082.95177

Equilateral Triangle

Length = n
Perimeter 236189520
Area 2.6839806081349E+15
Altitude 68182041.475884

Triangular Pyramid

Length = n
Surface area 2.6839806081349E+15
Volume 5.7511124364882E+22
Height 37113602.497155