38991940 (number)

38991940 is an even 8-digits composite number following 38991939 and preceding 38991941. In scientific notation, it is written as 3.8991940 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 14396928 positive integers (up to 38991940) that are relatively prime to 38991940.

Interesting facts

Basic properties

Name

Name thirty-eight million nine hundred ninety-one thousand nine hundred forty

Notation

Scientific notation 3.8991940 × 10^7
Engineering notation 3.8991940 × 10^6

Prime Factorization of 38991940

Prime Factorization 2 × 2 × 5 × 13 × 149969

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 19495970
Product of the distinct prime numbers

The prime factorization of 38991940 is 2 × 2 × 5 × 13 × 149969. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 76, 40, 922, 690, 8104, 610, 30850, 76439, 399101, 939660, 8368917, 5629173, 13926979, 48536235, 192974368, 833767709, 2304281819, 2852713548

Basic calculations (n = 38991940)

Multiplication

n×y
n×2 77983880
n×3 116975820
n×4 155967760
n×5 194959700

Division

n÷y
n÷2 19495970
n÷3 12997313.333333
n÷3 9747985
n÷5 7798388

Exponentiation

ny
n2 1520371384963600
n3 5.9282229820218E+22
n4 2.3115291482161E+30
n5 9.0131005855495E+37

Nth Root

y√n
2√n 6244.3526485938
3√n 339.09778101304
4√n 79.021216445925
5√n 32.975771776059

Divisors of 38991940

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149969, 299938, 599876, 749845, 1499690, 1949597, 2999380, 3899194, 7798388, 9747985, 19495970, 38991940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -38991939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 38991940 can be divided by 24 positive divisors. The sum of these divisors (counting 38991940) is 1, the average is 0.041666666666667.

Base conversion 38991940

Base System Value
2 Binary 10010100101111100001000100
3 Ternary 2201100222212221
4 Quaternary 2110233201010
5 Quinary 34440220230
6 Senary 3511422124
8 Octal 224574104
10 Decimal 38991940
12 Duodecimal 11084944
16 Hexadecimal 252f844
20 Vigesimal c3djh0
36 Base36 n7qdg

Cryptographic Hash Functions

md5 c7b72bd62d9ce926d60d3c8d4dd35e5f
sha1 0fbb07eeddd4b9704d0c9fe0f10e0ee5777e7d51
sha256 f9b373947e436cf0a5661b7d7ae7758e8fc378f3d83e2fdc76969a490bf1e2ba
sha512 40206943da74db82a09ad8e04853ab01b503de6d47a1500b82916f6556d8f768c7414f753a8db8c0187372ec916ffbfbfd42cebc64d032d2e74e73bc20b083c9
ripemd-160 a724571b85cbe3fcafea3275e7a3e083e17370ca

38991940 as geometric shapes

Circle

Radius = n
Diameter 77983880
Circumference 244993584.50643
Area 4.7763875737298E+15

Sphere

Radius = n
Volume 2.4832082358882E+23
Surface area 1.9105550294919E+16
Circumference 244993584.50643

Square

Length = n
Perimeter 155967760
Area 1520371384963600
Diagonal 55142930.371238

Cube

Length = n
Surface area 9122228309781600
Volume 5.9282229820218E+22
Space diagonal 67536021.165677

Equilateral Triangle

Length = n
Perimeter 116975820
Area 6.583401212827E+14
Altitude 33768010.582839

Triangular Pyramid

Length = n
Surface area 6.583401212827E+14
Volume 6.9864777849559E+21
Height 18380976.790413