81277641 (number)

81277641 is an odd 8-digits composite number following 81277640 and preceding 81277642. In scientific notation, it is written as 8.1277641 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors. There are 52719984 positive integers (up to 81277641) that are relatively prime to 81277641.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-seven thousand six hundred forty-one

Notation

Scientific notation 8.1277641 × 10^7
Engineering notation 8.1277641 × 10^6

Prime Factorization of 81277641

Prime Factorization 37 × 3 × 3 × 3 × 81359

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9030849
Product of the distinct prime numbers

The prime factorization of 81277641 is 37 × 3 × 3 × 3 × 81359. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 10, 17, 265, 542, 3303, 1261, 11009, 85079, 977920, 889662, 8141055, 703685, 61191618, 4341706, 656103050, 584657181, 6173723570, 4027796340

Basic calculations (n = 81277641)

Multiplication

n×y
n×2 162555282
n×3 243832923
n×4 325110564
n×5 406388205

Division

n÷y
n÷2 40638820.5
n÷3 27092547
n÷3 20319410.25
n÷5 16255528.2

Exponentiation

ny
n2 6606054926524881
n3 5.3692456074437E+23
n4 4.3639961692264E+31
n5 3.5469531396776E+39

Nth Root

y√n
2√n 9015.4113050931
3√n 433.16866241493
4√n 94.949519772841
5√n 38.19391858711

Divisors of 81277641

1, 3, 9, 27, 37, 111, 333, 999, 81359, 244077, 732231, 2196693, 3010283, 9030849, 27092547, 81277641

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 -81277640
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 81277641 can be divided by 16 positive divisors. The sum of these divisors (counting 81277641) is 1, the average is 0.0625.

Base conversion 81277641

Base System Value
2 Binary 100110110000011001011001001
3 Ternary 12122221022222000
4 Quaternary 10312003023021
5 Quinary 131301341031
6 Senary 12022021213
8 Octal 466031311
10 Decimal 81277641
12 Duodecimal 23277809
16 Hexadecimal 4d832c9
20 Vigesimal 157je21
36 Base36 1ce289

Cryptographic Hash Functions

md5 bcebcba556e4bcde725e27d2db91a1f6
sha1 dfc7e1716988c0634a6442b7eac23fbb8096b205
sha256 08bf5ad6eda198546c88a03fad8ac87db7c92de307f60e6f1f8f94663187fde1
sha512 922f4dd3a1cd6620e16ec69ba2c09a8a6a400a7e7d2ebf69fa4c5bb5a3db423cbcb224bbd868a62a622159c20db181218ea642167ab58c66b5b9604812d82f74
ripemd-160 c49f60e37c49610d3869ea6349bd3771064637e9

81277641 as geometric shapes

Circle

Radius = n
Diameter 162555282
Circumference 510682479.73342
Area 2.0753533626381E+16

Sphere

Radius = n
Volume 2.2490643407553E+24
Surface area 8.3014134505525E+16
Circumference 510682479.73342

Square

Length = n
Perimeter 325110564
Area 6606054926524881
Diagonal 114943942.21989

Cube

Length = n
Surface area 39636329559149286
Volume 5.3692456074437E+23
Space diagonal 140777003.73134

Equilateral Triangle

Length = n
Perimeter 243832923
Area 2.8605056925829E+15
Altitude 70388501.865672

Triangular Pyramid

Length = n
Surface area 2.8605056925829E+15
Volume 6.3277166314659E+22
Height 38314647.406631