1978391145 (number)

1978391145 is an odd 10-digits composite number following 1978391144 and preceding 1978391146. In scientific notation, it is written as 1.978391145 × 10^9. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 1044263424 positive integers (up to 1978391145) that are relatively prime to 1978391145.

Interesting facts

Basic properties

Name

Name one billion nine hundred seventy-eight million three hundred ninety-one thousand one hundred forty-five

Notation

Scientific notation 1.978391145 × 10^9
Engineering notation 1.978391145 × 10^9

Prime Factorization of 1978391145

Prime Factorization 3 × 5 × 97 × 1359719

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1978391145
Product of the distinct prime numbers

The prime factorization of 1978391145 is 3 × 5 × 97 × 1359719. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 57, 98, 855, 275, 3603, 6465, 37318, 53094, 514377, 18587, 5861885, 2411018, 61804221, 23073477, 551944984, 259608166, 952922994, 452752655

Basic calculations (n = 1978391145)

Multiplication

n×y
n×2 3956782290
n×3 5935173435
n×4 7913564580
n×5 9891955725

Division

n÷y
n÷2 989195572.5
n÷3 659463715
n÷3 494597786.25
n÷5 395678229

Exponentiation

ny
n2 3914031522614411025
n3 7.7434853055912E+27
n4 1.5319642760019E+37
n5 3.0308245580986E+46

Nth Root

y√n
2√n 44479.109085052
3√n 1255.3670339101
4√n 210.90070906721
5√n 72.320668498836

Divisors of 1978391145

1, 3, 5, 15, 97, 291, 485, 1455, 1359719, 4079157, 6798595, 20395785, 131892743, 395678229, 659463715, 1978391145

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 -1978391144
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 1978391145 can be divided by 16 positive divisors. The sum of these divisors (counting 1978391145) is 1, the average is 0.0625.

Base conversion 1978391145

Base System Value
2 Binary 1110101111010111101101001101001
3 Ternary 12002212200200110010
4 Quaternary 1311322331221221
5 Quinary 13022432004040
6 Senary 524151442133
8 Octal 16572755151
10 Decimal 1978391145
12 Duodecimal 472686349
16 Hexadecimal 75ebda69
20 Vigesimal 1ai4ihh5
36 Base36 wpvsdl

Cryptographic Hash Functions

md5 7903a6de28f11918e4ea854ed0780c0d
sha1 83996020dc2e86a6b4c8aa81f5291f626045eef8
sha256 907d9d1db1540a05781d6bf06b1526e6f63e79a07eeb05a1829ea7f7e5bec565
sha512 51aeb34fc9bbef5f0da33855be69d90311344a5eae2f5b6f3ec48ae58b807dc07a2fab1f2a335cedda6643fd338ef1857954abd10b06fb75f2e884aa39aec9de
ripemd-160 05c4a8340b4d08842a3d31e6dd3704bddca52caf

1978391145 as geometric shapes

Circle

Radius = n
Diameter 3956782290
Circumference 12430598174.118
Area 1.2296292677364E+19

Sphere

Radius = n
Volume 3.2435835398968E+28
Surface area 4.9185170709457E+19
Circumference 12430598174.118

Square

Length = n
Perimeter 7913564580
Area 3914031522614411025
Diagonal 2797867588.9378

Cube

Length = n
Surface area 2.3484189135686E+19
Volume 7.7434853055912E+27
Space diagonal 3426673980.3844

Equilateral Triangle

Length = n
Perimeter 5935173435
Area 1.6948253648986E+18
Altitude 1713336990.1922

Triangular Pyramid

Length = n
Surface area 1.6948253648986E+18
Volume 9.1257849493366E+26
Height 932622529.64595