128393057520

Names of 128393057520

• Cardinal: 128393057520 can be written as One hundred twenty-eight billion, three hundred ninety-three million, fifty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.2839305752 × 10¹¹

Factors of 128393057520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1334

Divisors of 128393057520

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 35 36 39 40 42 45 48 49 52 56 60 63 65 70 72 78 80 84 90 91 98 104 105 112 117 120 126 130 140 144 147 156 168 180 182 195 196 208 210 234 240 245 252 260 271 273 280 294 312 315 336 360 364 390 392 420 441 455 468 490 504 520 542 546 560 585 588 624 630 637 720 728 735 780 784 813 819 840 882 910 936 980 1008 1033 1040 1084 1092 1170 1176 1260 1274 1355 1365 1456 1470 1560 1626 1638 1680 1764 1820 1872 1897 1911 1960 2066 2168 2184 2205 2340 2352 2439 2520 2548 2710 2730 2940 3099 3120 3185 3252 3276 3523 3528 3640 3794 3822 3920 4065 4095 4132 4336 4368 4410 4680 4878 5040 5096 5165 5420 5460 5691 5733 5880 6198 6370 6504 6552 7046 7056 7231 7280 7588 7644 8130 8190 8264 8820 9297 9360 9485 9555 9756 10192 10330 10569 10840 10920 11382 11466 11760 12195 12396 12740 13008 13104 13279 13429 14092 14462 15176 15288 15495 16260 16380 16528 17073 17615 17640 18594 18970 19110 19512 20660 21138 21680 21693 21840 22764 22932 24390 24661 24792 25480 26558 26858 28184 28455 28665 28924 30352 30576 30990 31707 32520 32760 34146 35230 35280 36155 37188 37940 38220 39024 39837 40287 41320 42276 43386 45528 45864 46485 48780 49322 49584 50617 50960 52845 53116 53716 56368 56910 57330 57848 61980 63414 65040 65079 65520 66395 67145 68292 70460 72310 73983 74376 75880 76440 79674 80574 82640 84552 85365 86772 91056 91728 92970 94003 97560 98644 101234 105690 106232 107432 108465 113820 114660 115696 119511 120861 123305 123960 126828 130158 132790 134290 136584 140920 144620 147966 148752 151760 151851 152880 158535 159348 161148 169104 170730 172627 173544 185940 188006 195120 197288 199185 201435 202468 211380 212464 214864 216930 221949 227640 229320 239022 241722 246610 247920 253085 253656 260316 265580 268580 273168 279943 281840 282009 289240 295932 303702 317070 318696 322296 325395 341460 345254 347088 369915 371880 376012 394576 398370 402870 404936 422760 433860 443898 455280 455553 458640 470015 478044 483444 493220 506170 507312 517881 520632 531160 537160 559886 564018 578480 591864 597555 604305 607404 634140 637392 644592 650790 658021 682920 690508 739830 743760 752024 759255 796740 805740 809872 839829 845520 846027 863135 867720 887796 911106 940030 956088 966888 986440 1012340 1035762 1041264 1062320 1074320 1109745 1119772 1128036 1183728 1195110 1208610 1214808 1268280 1301580 1316042 1365840 1381016 1399715 1410045 1479660 1504048 1518510 1553643 1593480 1611480 1679658 1692054 1726270 1735440 1775592 1822212 1880060 1912176 1933776 1959601 1972880 1974063 2024680 2071524 2219490 2239544 2256072 2277765 2390220 2417220 2429616 2519487 2536560 2589405 2603160 2632084 2762032 2799430 2820090 2959320 3037020 3107286 3186960 3222960 3290105 3359316 3384108 3452540 3551184 3639259 3644424 3760120 3919202 3948126 4049360 4143048 4199145 4230135 4438980 4479088 4512144 4555530 4780440 4834440 5038974 5178810 5206320 5264168 5598860 5640180 5878803 5918640 5922189 6074040 6214572 6580210 6718632 6768216 6905080 7278518 7288848 7520240 7768215 7838404 7896252 8286096 8398290 8460270 8877960 9111060 9560880 9668880 9798005 9870315 10077948 10357620 10528336 10917777 11197720 11280360 11757606 11844378 12148080 12429144 12597435 13160420 13437264 13536432 13717207 13810160 14557036 15536430 15676808 15792504 16796580 16920540 17636409 17755920 18196295 18222120 19596010 19740630 20155896 20715240 21835554 22395440 22560720 23515212 23688756 24858288 25194870 25474813 26320840 27434414 29114072 29394015 29610945 31072860 31353616 31585008 32753331 33593160 33841080 35272818 36392590 36444240 39192020 39481260 40311792 41151621 41430480 43671108 47030424 47377512 50389740 50949626 52641680 54588885 54868828 58228144 58788030 59221890 62145720 65506662 67186320 67682160 68586035 70545636 72785180 76424439 78384040 78962520 82303242 87342216 88182045 94060848 94755024 100779480 101899252 109177770 109737656 117576060 118443780 123454863 124291440 127374065 131013324 137172070 141091272 145570360 152848878 156768080 157925040 163766655 164606484 174684432 176364090 178323691 201558960 203798504 205758105 218355540 219475312 229273317 235152120 236887560 246909726 254748130 262026648 274344140 282182544 291140720 305697756 327533310 329212968 352728180 356647382 382122195 407597008 411516210 436711080 458546634 470304240 473775120 493819452 509496260 524053296 534971073 548688280 611395512 617274315 655066620 658425936 705456360 713294764 764244390 823032420 873422160 891618455 917093268 987638904 1018992520 1069942146 1097376560 1146366585 1222791024 1234548630 1310133240 1410912720 1426589528 1528488780 1604913219 1646064840 1783236910 1834186536 1975277808 2037985040 2139884292 2292733170 2469097260 2620266480 2674855365 2853179056 3056977560 3209826438 3292129680 3566473820 3668373072 4279768584 4585466340 4938194520 5349710730 6113955120 6419652876 7132947640 8024566095 8559537168 9170932680 9876389040 10699421460 12839305752 14265895280 16049132190 18341865360 21398842920 25678611504 32098264380 42797685840 64196528760 128393057520
• Sum of all divisors σ(n): 542686015872
• Sum of proper divisors (its aliquot sum) s(n): 414292958352
• 128393057520 is an abundant number, because the sum of its proper divisors (414292958352) is greater than itself. Its abundance is 285899900832

Bases of 128393057520

• Binary: 1110111100100110100101001010011110000₂
• Hexadecimal: 0x1DE4D294F0
• Base-36: 1MZDWT80

Squares and roots of 128393057520

• 128393057520 squared (128393057520²) is 16484777219334028550400
• 128393057520 cubed (128393057520³) is 2116530949726339583764829419008000
• The square root of 128393057520 is 358319.7699262489
• The cube root of 128393057520 is 5044.8374850367

Scales and comparisons

• 128,393,057,520 seconds is equal to 4,082 years, 26 weeks, 18 hours, 12 minutes.
• To count from 1 to 128,393,057,520 would take you about eight thousand, one hundred sixty-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 128393057520 cubic inches would be around 420.4 feet tall.

Recreational maths with 128393057520

• 128393057520 backwards is 025750393821
• 128393057520 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128393057520's digits is 45
• More coming soon!