128477444928

Names of 128477444928

• Cardinal: 128477444928 can be written as One hundred twenty-eight billion, four hundred seventy-seven million, four hundred forty-four thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.28477444928 × 10¹¹

Factors of 128477444928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7404

Divisors of 128477444928

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 392 448 588 672 784 1176 1344 1568 2352 3136 3631 3761 4704 7262 7522 9408 10893 11283 14524 15044 21786 22566 25417 26327 29048 30088 43572 45132 50834 52654 58096 60176 76251 78981 87144 90264 101668 105308 116192 120352 152502 157962 174288 177919 180528 184289 203336 210616 232384 240704 305004 315924 348576 355838 361056 368578 406672 421232 533757 552867 610008 631848 697152 711676 722112 737156 813344 842464 1067514 1105734 1220016 1263696 1423352 1474312 1626688 1684928 2135028 2211468 2440032 2527392 2846704 2948624 4270056 4422936 4880064 5054784 5693408 5897248 8540112 8845872 11386816 11794496 13656191 17080224 17691744 27312382 34160448 35383488 40968573 54624764 81937146 95593337 109249528 163874292 191186674 218499056 286780011 327748584 382373348 436998112 573560022 655497168 669153359 764746696 873996224 1147120044 1310994336 1338306718 1529493392 2007460077 2294240088 2621988672 2676613436 3058986784 4014920154 4588480176 5353226872 6117973568 8029840308 9176960352 10706453744 16059680616 18353920704 21412907488 32119361232 42825814976 64238722464 128477444928
• Sum of all divisors σ(n): 395642738304
• Sum of proper divisors (its aliquot sum) s(n): 267165293376
• 128477444928 is an abundant number, because the sum of its proper divisors (267165293376) is greater than itself. Its abundance is 138687848448

Bases of 128477444928

• Binary: 1110111101001110110100011101101000000₂
• Hexadecimal: 0x1DE9DA3B40
• Base-36: 1N0S5IYO

Squares and roots of 128477444928

• 128477444928 squared (128477444928²) is 16506453855227272925184
• 128477444928 cubed (128477444928³) is 2120707016141535242168952824266752
• The square root of 128477444928 is 358437.5049126417
• The cube root of 128477444928 is 5045.9424968183

Scales and comparisons

• 128,477,444,928 seconds is equal to 4,085 years, 9 weeks, 4 days, 11 hours, 8 minutes, 48 seconds.
• To count from 1 to 128,477,444,928 would take you about eight thousand, one hundred seventy years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 128477444928 cubic inches would be around 420.5 feet tall.

Recreational maths with 128477444928

• 128477444928 backwards is 829444774821
• The number of decimal digits it has is: 12
• The sum of 128477444928's digits is 60
• More coming soon!