128708340768

Names of 128708340768

• Cardinal: 128708340768 can be written as One hundred twenty-eight billion, seven hundred eight million, three hundred forty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.28708340768 × 10¹¹

Factors of 128708340768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 856

Divisors of 128708340768

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 27 28 32 36 42 46 48 49 54 56 63 69 72 84 92 96 98 108 112 126 138 144 147 161 168 184 189 196 207 216 224 252 276 288 294 322 336 343 368 378 392 414 432 441 483 504 529 552 588 621 644 672 686 736 756 784 821 828 864 882 966 1008 1029 1058 1104 1127 1176 1242 1288 1323 1372 1449 1512 1568 1587 1642 1656 1764 1932 2016 2058 2116 2208 2254 2352 2463 2484 2576 2646 2744 2898 3024 3087 3174 3284 3312 3381 3528 3703 3864 4116 4232 4347 4508 4704 4761 4926 4968 5152 5292 5488 5747 5796 6048 6174 6348 6568 6624 6762 7056 7389 7406 7728 7889 8232 8464 8694 9016 9261 9522 9852 9936 10143 10584 10976 11109 11494 11592 12348 12696 13136 13524 14112 14283 14778 14812 15456 15778 16464 16928 17241 17388 18032 18522 18883 19044 19704 19872 20286 21168 22167 22218 22988 23184 23667 24696 25392 25921 26272 27048 28566 29556 29624 30429 31556 32928 33327 34482 34776 36064 37044 37766 38088 39408 40229 40572 42336 44334 44436 45976 46368 47334 49392 50784 51723 51842 54096 56649 57132 59112 59248 60858 63112 66654 68964 69552 71001 74088 75532 76176 77763 78816 80458 81144 88668 88872 91952 94668 98784 99981 103446 103684 108192 113298 114264 118224 118496 120687 121716 126224 132181 133308 137928 139104 142002 148176 151064 152352 155169 155526 160916 162288 169947 177336 177744 181447 183904 189336 199962 206892 207368 213003 226596 228528 233289 236448 241374 243432 252448 264362 266616 275856 281603 284004 296352 302128 310338 311052 321832 324576 339894 354672 355488 362061 362894 378672 396543 399924 413784 414736 426006 434309 453192 457056 466578 482748 486864 509841 528724 533232 544341 551712 563206 568008 604256 620676 622104 643664 679788 699867 709344 724122 725788 757344 793086 799848 827568 829472 844809 852012 868618 906384 925267 933156 965496 973728 1019682 1057448 1066464 1086183 1088682 1126412 1136016 1189629 1241352 1244208 1287328 1302927 1359576 1399734 1448244 1451576 1586172 1599696 1633023 1655136 1689618 1704024 1737236 1812768 1850534 1866312 1930992 2039364 2114896 2172366 2177364 2252824 2272032 2379258 2482704 2488416 2534427 2605854 2719152 2775801 2799468 2896488 2903152 3040163 3172344 3199392 3266046 3379236 3408048 3474472 3568887 3701068 3732624 3861984 3908781 4078728 4229792 4344732 4354728 4505648 4758516 4899069 4965408 5068854 5211708 5438304 5551602 5598936 5792976 5806304 6080326 6344688 6476869 6532092 6758472 6816096 6948944 7137774 7402136 7465248 7603281 7817562 8157456 8327403 8689464 8709456 9011296 9120489 9517032 9798138 10137708 10423416 11103204 11197872 11585952 11726343 12160652 12689376 12953738 13064184 13516944 13897888 14275548 14804272 15206562 15635124 16314912 16654806 17378928 17418912 18240978 19034064 19430607 19596276 20275416 20846832 21281141 22206408 22395744 23452686 24321304 24982209 25907476 26128368 27033888 27361467 28551096 29608544 30413124 31270248 33309612 34757856 36481956 38068128 38861214 39192552 40550832 41693664 42562282 44412816 46905372 48642608 49964418 51814952 52256736 54722934 57102192 58291821 60826248 62540496 63843423 66619224 72963912 77722428 78385104 81101664 82084401 85124564 88825632 93810744 97285216 99928836 103629904 109445868 114204384 116583642 121652496 125080992 127686846 133238448 145927824 148967987 155444856 156770208 164168802 170249128 174875463 187621488 191530269 199857672 207259808 218891736 233167284 243304992 255373692 266476896 291855648 297935974 310889712 328337604 340498256 349750926 375242976 383060538 399715344 437783472 446903961 466334568 510747384 574590807 595871948 621779424 656675208 680996512 699501852 766121076 799430688 875566944 893807922 932669136 1021494768 1149181614 1191743896 1313350416 1340711883 1399003704 1532242152 1787615844 1865338272 2042989536 2298363228 2383487792 2626700832 2681423766 2798007408 3064484304 3575231688 4022135649 4596726456 4766975584 5362847532 5596014816 6128968608 7150463376 8044271298 9193452912 10725695064 14300926752 16088542596 18386905824 21451390128 32177085192 42902780256 64354170384 128708340768
• Sum of all divisors σ(n): 458202528000
• Sum of proper divisors (its aliquot sum) s(n): 329494187232
• 128708340768 is an abundant number, because the sum of its proper divisors (329494187232) is greater than itself. Its abundance is 200785846464

Bases of 128708340768

• Binary: 1110111110111100111010110110000100000₂
• Hexadecimal: 0x1DF79D6C20
• Base-36: 1N4LMFC0

Squares and roots of 128708340768

• 128708340768 squared (128708340768²) is 16565836983251610829824
• 128708340768 cubed (128708340768³) is 2132161391547485435369906649464832
• The square root of 128708340768 is 358759.4469390319
• The cube root of 128708340768 is 5048.9634936807

Scales and comparisons

• 128,708,340,768 seconds is equal to 4,092 years, 27 weeks, 2 days, 20 hours, 52 minutes, 48 seconds.
• To count from 1 to 128,708,340,768 would take you about eight thousand, one hundred eighty-five 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 128708340768 cubic inches would be around 420.7 feet tall.

Recreational maths with 128708340768

• 128708340768 backwards is 867043807821
• 128708340768 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128708340768's digits is 54
• More coming soon!