128991528847200

Names of 128991528847200

• Cardinal: 128991528847200 can be written as One hundred twenty-eight trillion, nine hundred ninety-one billion, five hundred twenty-eight million, eight hundred forty-seven thousand, two hundred.

Scientific notation

• Scientific notation: 1.289915288472 × 10¹⁴

Factors of 128991528847200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 316

Divisors of 128991528847200

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 113 120 150 160 193 200 226 240 300 339 386 400 452 480 565 579 600 678 772 800 904 965 1130 1158 1200 1356 1544 1695 1808 1930 2260 2316 2400 2712 2825 2895 3088 3390 3616 3860 4520 4632 4825 5424 5650 5790 6176 6780 7720 8475 9040 9264 9650 10848 11300 11580 12769 13560 14475 15440 16950 18080 18528 19300 21809 22600 23160 25538 27120 28950 30880 33900 37249 38307 38600 43618 45200 46320 51076 54240 57900 63845 65427 67800 74498 76614 77200 87236 90400 92640 102152 109045 111747 115800 127690 130854 135600 148996 153228 154400 174472 186245 191535 204304 218090 223494 231600 255380 261708 271200 297992 306456 319225 327135 348944 372490 383070 408608 436180 446988 463200 510760 523416 545225 558735 595984 612912 638450 654270 697888 744980 766140 872360 893976 931225 957675 1021520 1046832 1090450 1117470 1191968 1225824 1276900 1308540 1442897 1489960 1532280 1635675 1744720 1787952 1862450 1915350 2043040 2093664 2180900 2234940 2464417 2553800 2617080 2793675 2885794 2979920 3064560 3271350 3489440 3575904 3724900 3830700 4209137 4328691 4361800 4469880 4928834 5107600 5234160 5587350 5771588 5959840 6129120 6542700 7214485 7393251 7449800 7661400 8418274 8657382 8723600 8939760 9857668 10215200 10468320 11174700 11543176 12322085 12627411 13085400 14428970 14786502 14899600 15322800 16836548 17314764 17447200 17879520 19715336 21045685 21643455 22349400 23086352 24644170 25254822 26170800 28857940 29573004 29799200 30645600 33673096 34629528 36072425 36966255 39430672 42091370 43286910 44698800 46172704 49288340 50509644 52341600 57715880 59146008 61610425 63137055 67346192 69259056 72144850 73932510 78861344 84182740 86573820 89397600 98576680 101019288 105228425 108217275 115431760 118292016 123220850 126274110 134692384 138518112 144289700 147865020 168365480 173147640 184831275 197153360 202038576 210456850 216434550 230863520 236584032 246441700 252548220 278479121 288579400 295730040 315685275 336730960 346295280 369662550 394306720 404077152 420913700 432869100 475632481 492883400 505096440 556958242 577158800 591460080 631370550 673461920 692590560 739325100 835437363 841827400 865738200 951264962 985766800 1010192880 1113916484 1154317600 1182920160 1262741100 1392395605 1426897443 1478650200 1670874726 1683654800 1731476400 1902529924 1971533600 2020385760 2227832968 2378162405 2525482200 2784791210 2853794886 2957300400 3341749452 3367309600 3462952800 3805059848 4177186815 4455665936 4756324810 5050964400 5569582420 5707589772 5914600800 6683498904 6961978025 7134487215 7610119696 8354373630 8911331872 9512649620 10101928800 11139164840 11415179544 11890812025 13366997808 13923956050 14268974430 15220239392 16708747260 19025299240 20885934075 22278329680 22830359088 23781624050 26733995616 27847912100 28537948860 33417494520 35672436075 38050598480 41771868150 44556659360 45660718176 47563248100 53746470353 55695824200 57075897720 66834989040 71344872150 76101196960 83543736300 95126496200 107492940706 111391648400 114151795440 133669978080 142689744300 161239411059 167087472600 190252992400 214985881412 222783296800 228303590880 268732351765 285379488600 322478822118 334174945200 380505984800 429971762824 537464703530 570758977200 644957644236 668349890400 806197055295 859943525648 1074929407060 1141517954400 1289915288472 1343661758825 1612394110590 1719887051296 2149858814120 2579830576944 2687323517650 3224788221180 4030985276475 4299717628240 5159661153888 5374647035300 6449576442360 8061970552950 8599435256480 10749294070600 12899152884720 16123941105900 21498588141200 25798305769440 32247882211800 42997176282400 64495764423600 128991528847200
• Sum of all divisors σ(n): 425822515458480
• Sum of proper divisors (its aliquot sum) s(n): 296830986611280
• 128991528847200 is an abundant number, because the sum of its proper divisors (296830986611280) is greater than itself. Its abundance is 167839457764080

Bases of 128991528847200

• Binary: 11101010101000100101110010000011000011101100000₂
• Hexadecimal: 0x75512E418760
• Base-36: 19Q1W1T9PC

Squares and roots of 128991528847200

• 128991528847200 squared (128991528847200²) is 16638814514338029760947840000
• 128991528847200 cubed (128991528847200³) is 2146266122409444023921315423374530048000000
• The square root of 128991528847200 is 11357443.7637700853
• The cube root of 128991528847200 is 50526.6374317621

Scales and comparisons

• 128,991,528,847,200 seconds is equal to 4,101,531 years, 32 weeks, 1 day, 19 hours, 20 minutes.
• To count from 1 to 128,991,528,847,200 would take you about ten million, two hundred fifty-three thousand, eight hundred twenty-nine 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 128991528847200 cubic inches would be around 4210.6 feet tall.

Recreational maths with 128991528847200

• 128991528847200 backwards is 002748825199821
• The number of decimal digits it has is: 15
• The sum of 128991528847200's digits is 66
• More coming soon!