128083351872

Names of 128083351872

• Cardinal: 128083351872 can be written as One hundred twenty-eight billion, eighty-three million, three hundred fifty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.28083351872 × 10¹¹

Factors of 128083351872

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2016

Divisors of 128083351872

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 41 42 48 51 56 64 68 73 82 84 96 102 112 119 123 136 146 164 168 192 204 219 224 238 246 272 287 292 328 336 357 408 438 448 476 492 511 544 574 584 656 672 697 714 816 861 876 952 984 1022 1088 1148 1168 1241 1312 1344 1394 1428 1533 1632 1722 1752 1873 1904 1968 2044 2091 2296 2336 2482 2624 2788 2856 2993 3066 3264 3444 3504 3723 3746 3808 3936 4088 4182 4592 4672 4879 4964 5576 5619 5712 5986 6132 6888 7008 7446 7492 7616 7872 8176 8364 8687 8979 9184 9758 9928 11152 11238 11424 11972 12264 13111 13776 14016 14637 14892 14984 16352 16728 17374 17958 18368 19516 19856 20951 22304 22476 22848 23944 24528 26061 26222 27552 29274 29784 29968 31841 32704 33456 34748 35916 39032 39333 39712 41902 44608 44952 47888 49056 50881 52122 52444 55104 58548 59568 59936 62853 63682 66912 69496 71832 76793 78064 78666 79424 83804 89904 95523 95776 98112 101762 104244 104888 117096 119136 119872 125706 127364 133824 136729 138992 143664 152643 153586 156128 157332 167608 179808 191046 191552 203524 208488 209776 222887 230379 234192 238272 251412 254728 273458 277984 287328 305286 307172 312256 314664 335216 356167 359616 382092 407048 410187 416976 419552 445774 460758 468384 502824 509456 537551 546916 555968 574656 610572 614344 629328 668661 670432 712334 764184 814096 820374 833952 839104 891548 921516 936768 957103 1005648 1018912 1068501 1075102 1093832 1221144 1228688 1258656 1305481 1337322 1340864 1424668 1528368 1612653 1628192 1640748 1667904 1783096 1843032 1914206 2011296 2037824 2137002 2150204 2187664 2324393 2442288 2457376 2517312 2610962 2674644 2849336 2871309 3056736 3225306 3256384 3281496 3566192 3686064 3828412 3916443 4022592 4274004 4300408 4375328 4648786 4884576 4914752 5221924 5349288 5605889 5698672 5742618 6113472 6450612 6562992 6973179 7132384 7372128 7656824 7832886 8548008 8600816 8750656 9138367 9297572 9769152 10443848 10698576 11211778 11397344 11485236 12901224 13125984 13946358 14264768 14744256 15313648 15665772 16270751 16817667 17096016 17201632 18276734 18595144 20887696 21397152 22423556 22794688 22970472 25802448 26251968 27415101 27892716 30627296 31331544 32541502 33635334 34192032 34403264 36553468 37190288 39241223 41775392 42794304 44847112 45940944 48812253 51604896 54830202 55785432 61254592 62663088 65083004 67270668 68384064 73106936 74380576 78482446 83550784 89694224 91881888 95300113 97624506 103209792 109660404 111570864 117723669 125326176 130166008 134541336 146213872 148761152 156964892 179388448 183763776 190600226 195249012 219320808 223141728 235447338 250652352 260332016 269082672 285900339 292427744 313929784 358776896 381200452 390498024 438641616 446283456 470894676 520664032 538165344 571800678 584855488 627859568 667100791 762400904 780996048 877283232 941789352 1041328064 1076330688 1143601356 1255719136 1334201582 1524801808 1561992096 1754566464 1883578704 2001302373 2287202712 2511438272 2668403164 3049603616 3123984192 3767157408 4002604746 4574405424 5336806328 6099207232 7534314816 8005209492 9148810848 10673612656 16010418984 18297621696 21347225312 32020837968 42694450624 64041675936 128083351872
• Sum of all divisors σ(n): 426065923584
• Sum of proper divisors (its aliquot sum) s(n): 297982571712
• 128083351872 is an abundant number, because the sum of its proper divisors (297982571712) is greater than itself. Its abundance is 169899219840

Bases of 128083351872

• Binary: 1110111010010010111001101100101000000₂
• Hexadecimal: 0x1DD25CD940
• Base-36: 1MU9IQTC

Squares and roots of 128083351872

• 128083351872 squared (128083351872²) is 16405345026766565904384
• 128083351872 cubed (128083351872³) is 2101251579644907319136293779406848
• The square root of 128083351872 is 357887.3452247229
• The cube root of 128083351872 is 5040.7778869873

Scales and comparisons

• 128,083,351,872 seconds is equal to 4,072 years, 34 weeks, 4 hours, 51 minutes, 12 seconds.
• To count from 1 to 128,083,351,872 would take you about eight thousand, one hundred forty-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 128083351872 cubic inches would be around 420.1 feet tall.

Recreational maths with 128083351872

• 128083351872 backwards is 278153380821
• 128083351872 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128083351872's digits is 48
• More coming soon!