30721840 (number)

30721840 is an even 8-digits composite number following 30721839 and preceding 30721841. In scientific notation, it is written as 3.0721840 × 10^7. The sum of its digits is 25. It has a total of 8 prime factors and 80 positive divisors. There are 11722752 positive integers (up to 30721840) that are relatively prime to 30721840.

Interesting facts

Basic properties

Name

Name thirty million seven hundred twenty-one thousand eight hundred forty

Notation

Scientific notation 3.0721840 × 10^7
Engineering notation 3.0721840 × 10^6

Prime Factorization of 30721840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 37 × 97 × 107

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3840230
Product of the distinct prime numbers

The prime factorization of 30721840 is 2 × 2 × 2 × 2 × 5 × 37 × 97 × 107. Since it has a total of 8 prime factors.

Most popular turbo-numbers

9, 3, 68, 32, 848, 156, 1143, 9955, 92912, 46436, 677524, 913966, 3293792, 7913578, 98316834, 45662106, 480163037, 689422918, 4060362582, 3104853261

Basic calculations (n = 30721840)

Multiplication

n×y
n×2 61443680
n×3 92165520
n×4 122887360
n×5 153609200

Division

n÷y
n÷2 15360920
n÷3 10240613.333333
n÷3 7680460
n÷5 6144368

Exponentiation

ny
n2 943831452985600
n3 2.8996238885591E+22
n4 8.9081781164491E+29
n5 2.7367562278505E+37

Nth Root

y√n
2√n 5542.7285699374
3√n 313.19566408227
4√n 74.4495034902
5√n 31.44050004132

Divisors of 30721840

1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 97, 107, 148, 185, 194, 214, 296, 370, 388, 428, 485, 535, 592, 740, 776, 856, 970, 1070, 1480, 1552, 1712, 1940, 2140, 2960, 3589, 3880, 3959, 4280, 7178, 7760, 7918, 8560, 10379, 14356, 15836, 17945, 19795, 20758, 28712, 31672, 35890, 39590, 41516, 51895, 57424, 63344, 71780, 79180, 83032, 103790, 143560, 158360, 166064, 207580, 287120, 316720, 384023, 415160, 768046, 830320, 1536092, 1920115, 3072184, 3840230, 6144368, 7680460, 15360920, 30721840

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 -30721839
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 30721840 can be divided by 80 positive divisors. The sum of these divisors (counting 30721840) is 1, the average is 0.0125.

Base conversion 30721840

Base System Value
2 Binary 1110101001100011100110000
3 Ternary 2010210211102221
4 Quaternary 1311030130300
5 Quinary 30331044330
6 Senary 3014250424
8 Octal 165143460
10 Decimal 30721840
12 Duodecimal a356a14
16 Hexadecimal 1d4c730
20 Vigesimal 9c04c0
36 Base36 iah4g

Cryptographic Hash Functions

md5 d944d7e0e3d74e7757ed6aba8631a72f
sha1 d94c0734352b386898a9a81e4ae2c52829481dce
sha256 612ea779b15923d852e55242a38fa0581c08eb9b59f0a5f06fb3653284402fab
sha512 b2fc15bbafad8274f1074e6287c9fa08eb6245c85bf7ae8f82dd174440be3ce374bee11b5d8c27660ef2553ce40beb4b710af92244cff55d7912758970a4a16b
ripemd-160 ab933c26b91f59269967ef5c89ea7e7b49289d72

30721840 as geometric shapes

Circle

Radius = n
Diameter 61443680
Circumference 193031013.69752
Area 2.9651339589265E+15

Sphere

Radius = n
Volume 1.2145916141961E+23
Surface area 1.1860535835706E+16
Circumference 193031013.69752

Square

Length = n
Perimeter 122887360
Area 943831452985600
Diagonal 43447242.789056

Cube

Length = n
Surface area 5662988717913600
Volume 2.8996238885591E+22
Space diagonal 53211787.782002

Equilateral Triangle

Length = n
Perimeter 92165520
Area 4.0869100758815E+14
Altitude 26605893.891001

Triangular Pyramid

Length = n
Surface area 4.0869100758815E+14
Volume 3.4172395241511E+21
Height 14482414.263019