1221040128
1,221,040,128 is an even composite number composed of six prime numbers multiplied together.
1221040128 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1221040128:
211 × 3 × 7 × 11 × 29 × 89
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 11 × 29 × 89)See below for interesting mathematical facts about the number 1221040128 from the Numbermatics database.
Names of 1221040128
- Cardinal: 1221040128 can be written as One billion, two hundred twenty-one million, forty thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 1.221040128 × 109
Factors of 1221040128
Divisors of 1221040128
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 29 32 33 42 44 48 56 58 64 66 77 84 87 88 89 96 112 116 128 132 154 168 174 176 178 192 203 224 231 232 256 264 267 308 319 336 348 352 356 384 406 448 462 464 512 528 534 609 616 623 638 672 696 704 712 768 812 896 924 928 957 979 1024 1056 1068 1218 1232 1246 1276 1344 1392 1408 1424 1536 1624 1792 1848 1856 1869 1914 1958 2048 2112 2136 2233 2436 2464 2492 2552 2581 2688 2784 2816 2848 2937 3072 3248 3584 3696 3712 3738 3828 3916 4224 4272 4466 4872 4928 4984 5104 5162 5376 5568 5632 5696 5874 6144 6496 6699 6853 7168 7392 7424 7476 7656 7743 7832 8448 8544 8932 9744 9856 9968 10208 10324 10752 11136 11264 11392 11748 12992 13398 13706 14336 14784 14848 14952 15312 15486 15664 16896 17088 17864 18067 19488 19712 19936 20416 20559 20648 21504 22272 22528 22784 23496 25984 26796 27412 28391 29568 29696 29904 30624 30972 31328 33792 34176 35728 36134 38976 39424 39872 40832 41118 41296 43008 44544 45568 46992 51968 53592 54201 54824 56782 59136 59392 59808 61248 61944 62656 67584 68352 71456 72268 77952 78848 79744 81664 82236 82592 85173 89088 91136 93984 103936 107184 108402 109648 113564 118272 119616 122496 123888 125312 136704 142912 144536 155904 157696 159488 163328 164472 165184 170346 178176 182272 187968 198737 207872 214368 216804 219296 227128 236544 239232 244992 247776 250624 273408 285824 289072 311808 318976 326656 328944 330368 340692 375936 397474 415744 428736 433608 438592 454256 473088 478464 489984 495552 501248 546816 571648 578144 596211 623616 637952 653312 657888 660736 681384 751872 794948 857472 867216 877184 908512 956928 979968 991104 1002496 1143296 1156288 1192422 1247232 1275904 1315776 1321472 1362768 1503744 1589896 1714944 1734432 1754368 1817024 1913856 1959936 1982208 2004992 2286592 2312576 2384844 2631552 2642944 2725536 3007488 3179792 3429888 3468864 3508736 3634048 3827712 3964416 4573184 4625152 4769688 5263104 5285888 5451072 6014976 6359584 6859776 6937728 7017472 7268096 7928832 9250304 9539376 10526208 10902144 12719168 13719552 13875456 14034944 14536192 15857664 18500608 19078752 21052416 21804288 25438336 27750912 29072384 37001216 38157504 42104832 43608576 50876672 55501824 58144768 76315008 87217152 101753344 111003648 152630016 174434304 203506688 305260032 407013376 610520064 1221040128
- Sum of all divisors σ(n): 4245696000
- Sum of proper divisors (its aliquot sum) s(n): 3024655872
- 1221040128 is an abundant number, because the sum of its proper divisors (3024655872) is greater than itself. Its abundance is 1803615744
Bases of 1221040128
- Binary: 10010001100011110011000000000002
- Hexadecimal: 0x48C79800
- Base-36: K6Z4LC
Squares and roots of 1221040128
- 1221040128 squared (12210401282) is 1490938994186256384
- 1221040128 cubed (12210401283) is 1820496340301377750960177152
-
The
square root of 1221040128 is 34943.3846099659 -
The
cube root of 1221040128 is 1068.8333071959
Scales and comparisons
How big is 1221040128?- 1,221,040,128 seconds is equal to 38 years, 42 weeks, 6 days, 9 hours, 48 minutes, 48 seconds.
-
To count from 1 to 1,221,040,128 would take you about seventy-seven 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 1221040128 cubic inches would be around 89.1 feet tall.
Recreational maths with 1221040128
- 1221040128 backwards is 8210401221
- 1221040128 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1221040128's digits is 21
- More coming soon!
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