128472937424

Names of 128472937424

• Cardinal: 128472937424 can be written as One hundred twenty-eight billion, four hundred seventy-two million, nine hundred thirty-seven thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.28472937424 × 10¹¹

Factors of 128472937424

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1907

Divisors of 128472937424

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 13 16 23 26 31 37 46 52 62 74 92 104 124 148 169 184 208 248 296 299 338 368 403 481 496 592 598 676 713 806 851 962 1147 1196 1352 1426 1612 1702 1801 1924 2294 2392 2704 2852 3224 3404 3602 3848 3887 4588 4784 5239 5704 6253 6448 6808 7204 7696 7774 9176 9269 10478 11063 11408 12506 13616 14408 14911 15548 18352 18538 20956 22126 23413 25012 26381 28816 29822 31096 37076 41423 41912 44252 46826 50024 52762 55831 59644 62192 66637 74152 82846 83824 88504 93652 100048 105524 111662 119288 120497 133274 143819 148304 165692 177008 187304 193843 211048 223324 238576 240994 266548 287638 304369 331384 342953 374608 387686 422096 446648 481988 533096 538499 575276 608738 662768 685906 725803 775372 866281 893296 963976 1066192 1076998 1150552 1217476 1284113 1371812 1451606 1532651 1550744 1732562 1927952 2065747 2153996 2301104 2434952 2568226 2743624 2903212 3065302 3101488 3465124 4131494 4307992 4458389 4869904 5136452 5487248 5806424 6130604 6930248 7000487 8262988 8615984 8916778 9435439 10272904 11261653 11612848 12261208 13860496 14000974 16525976 16693469 17833556 18870878 19924463 20545808 22523306 24522416 26854711 28001948 33051952 33386938 35667112 37741756 39848926 45046612 47512181 53709422 56003896 66773876 71334224 75483512 79697852 90093224 95024362 107418844 112007792 133547752 150967024 159395704 180186448 190048724 214837688 217015097 259018019 267095504 318791408 349111243 380097448 429675376 434030194 518036038 617658353 698222486 760194896 868060388 1036072076 1235316706 1396444972 1736120776 2072144152 2470633412 2792889944 3472241552 4144288304 4941266824 5585779888 8029558589 9882533648 16059117178 32118234356 64236468712 128472937424
• Sum of all divisors σ(n): 298340619264
• Sum of proper divisors (its aliquot sum) s(n): 169867681840
• 128472937424 is an abundant number, because the sum of its proper divisors (169867681840) is greater than itself. Its abundance is 41394744416

Bases of 128472937424

• Binary: 1110111101001100101010111001111010000₂
• Hexadecimal: 0x1DE99573D0
• Base-36: 1N0PGWY8

Squares and roots of 128472937424

• 128472937424 squared (128472937424²) is 16505295650351019755776
• 128472937424 cubed (128472937424³) is 2120483815252165944718397810561024
• The square root of 128472937424 is 358431.2171449357
• The cube root of 128472937424 is 5045.8834854953

Scales and comparisons

• 128,472,937,424 seconds is equal to 4,085 years, 2 weeks, 1 day, 7 hours, 3 minutes, 44 seconds.
• To count from 1 to 128,472,937,424 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 128472937424 cubic inches would be around 420.5 feet tall.

Recreational maths with 128472937424

• 128472937424 backwards is 424739274821
• The number of decimal digits it has is: 12
• The sum of 128472937424's digits is 53
• More coming soon!