128734641220920

Names of 128734641220920

• Cardinal: 128734641220920 can be written as One hundred twenty-eight trillion, seven hundred thirty-four billion, six hundred forty-one million, two hundred twenty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2873464122092 × 10¹⁴

Factors of 128734641220920

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 47983

Divisors of 128734641220920

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 30 35 38 40 42 56 57 60 70 76 84 95 103 105 114 120 133 140 152 168 190 206 210 228 266 280 285 309 380 399 412 420 456 515 532 570 618 665 721 760 798 824 840 1030 1064 1140 1236 1330 1442 1545 1596 1697 1957 1995 2060 2163 2280 2472 2660 2884 3090 3192 3394 3605 3914 3990 4120 4326 5091 5320 5768 5871 6180 6788 7210 7828 7980 8485 8652 9785 10182 10815 11742 11879 12360 13576 13699 14420 15656 15960 16970 17304 19570 20364 21630 23484 23758 25455 27398 28840 29355 32243 33940 35637 39140 40728 41097 43260 46147 46968 47516 50910 54796 58710 59395 64486 67880 68495 71274 78280 82194 86520 92294 95032 96729 101820 109592 117420 118790 128972 136990 138441 142548 161215 164388 174791 178185 184588 193458 203640 205485 225701 230735 234840 237580 257944 273980 276882 285096 322430 323029 328776 349582 356370 369176 386916 410970 451402 461470 475160 483645 524373 547960 553764 644860 646058 677103 692205 699164 712740 773832 821940 873955 876793 902804 922940 967290 969087 1048746 1107528 1128505 1223537 1289720 1292116 1354206 1384410 1398328 1425480 1615145 1643880 1747910 1753586 1805608 1845880 1934580 1938174 2097492 2257010 2447074 2584232 2621865 2630379 2708412 2768820 3230290 3321029 3385515 3495820 3507172 3670611 3869160 3876348 4194984 4383965 4514020 4753141 4845435 4894148 5243730 5260758 5416824 5537640 6117685 6137551 6460580 6642058 6771030 6991640 7014344 7341222 7752696 8767930 9028040 9506282 9690870 9788296 9963087 10487460 10521516 12235370 12275102 12921160 13151895 13284116 13542060 14259423 14682444 16605145 17535860 18353055 18412653 19012564 19381740 19926174 20974920 21043032 23247203 23765705 24470740 24550204 26303790 26568232 27084120 28518846 29364888 30687755 33210290 33271987 35071720 36706110 36825306 38025128 38763480 39852348 46494406 47531410 48941480 49100408 49815435 52607580 57037692 61375510 66420580 66543974 69741609 71297115 73412220 73650612 78311459 79704696 90309679 92063265 92988812 95062820 99630870 99815961 105215160 114075384 116236015 122751020 132841160 133087948 139483218 142594230 146824440 147301224 156622918 166359935 180619358 184126530 185977624 190125640 199261740 199631922 232472030 234934377 245502040 266175896 270929037 278966436 285188460 313245836 332719870 348708045 361238716 368253060 391557295 398523480 399263844 451548395 464944060 469868754 499079805 541858074 548180213 557932872 570376920 626491672 632167753 665439740 697416090 722477432 736506120 783114590 798527688 903096790 929888120 939737508 998159610 1083716148 1096360426 1174671885 1264335506 1330879480 1354645185 1394832180 1487917721 1566229180 1644540639 1806193580 1879475016 1896503259 1996319220 2167432296 2192720852 2349343770 2528671012 2709290370 2740901065 2789664360 2975835442 3132458360 3160838765 3289081278 3612387160 3793006518 3992638440 4385441704 4463753163 4698687540 5057342024 5418580740 5481802130 5951670884 6321677530 6578162556 7439588605 7586013036 8066080277 8222703195 8927506326 9397375080 9482516295 10415424047 10837161480 10963604260 11903341768 12643355060 13156325112 14879177210 15172026072 16132160554 16445406390 17855012652 18965032590 20830848094 21927208520 22318765815 24198240831 25286710120 29758354420 31246272141 32264321108 32890812780 35710025304 37930065180 40330401385 41661696188 44637531630 48396481662 52077120235 56462561939 59516708840 62492544282 64528642216 65781625560 75860130360 80660802770 83323392376 89275063260 96792963324 104154240470 112925123878 120991204155 124985088564 153255525263 156231360705 161321605540 169387685817 178550126520 193585926648 208308480940 225850247756 241982408310 249970177128 282312809695 306511050526 312462721410 322643211080 338775371634 416616961880 451700495512 459766575789 483964816620 564625619390 613022101052 624925442820 677550743268 766277626315 846938429085 919533151578 967929633240 1072788676841 1129251238780 1226044202104 1249850885640 1355101486536 1532555252630 1693876858170 1839066303156 2145577353682 2258502477560 2298832878945 3065110505260 3218366030523 3387753716340 3678132606312 4291154707364 4597665757890 5363943384205 6130221010520 6436732061046 6775507432680 8582309414728 9195331515780 10727886768410 12873464122092 16091830152615 18390663031560 21455773536820 25746928244184 32183660305230 42911547073640 64367320610460 128734641220920
• Sum of all divisors σ(n): 469403574681600
• Sum of proper divisors (its aliquot sum) s(n): 340668933460680
• 128734641220920 is an abundant number, because the sum of its proper divisors (340668933460680) is greater than itself. Its abundance is 211934292239760

Bases of 128734641220920

• Binary: 11101010001010101011110100011110110110100111000₂
• Hexadecimal: 0x75155E8F6D38
• Base-36: 19MRVLJWOO

Squares and roots of 128734641220920

• 128734641220920 squared (128734641220920²) is 16572607850278994828245646400
• 128734641220920 cubed (128734641220920³) is 2133468725700668675338695486572970602688000
• The square root of 128734641220920 is 11346128.9090561631
• The cube root of 128734641220920 is 50493.0737448407

Scales and comparisons

• 128,734,641,220,920 seconds is equal to 4,093,363 years, 20 weeks, 1 day, 9 hours, 22 minutes.
• To count from 1 to 128,734,641,220,920 would take you about ten million, two hundred thirty-three thousand, four hundred eight 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 128734641220920 cubic inches would be around 4207.8 feet tall.

Recreational maths with 128734641220920

• 128734641220920 backwards is 029022146437821
• The number of decimal digits it has is: 15
• The sum of 128734641220920's digits is 51
• More coming soon!