128145407040

Names of 128145407040

• Cardinal: 128145407040 can be written as One hundred twenty-eight billion, one hundred forty-five million, four hundred seven thousand and forty.

Scientific notation

• Scientific notation: 1.2814540704 × 10¹¹

Factors of 128145407040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4846

Divisors of 128145407040

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 28 30 32 34 35 36 40 42 45 48 51 56 60 63 64 68 70 72 79 80 84 85 90 96 102 105 112 119 120 126 136 140 144 153 158 160 168 170 180 192 204 210 224 237 238 240 252 255 272 280 288 306 315 316 320 336 340 357 360 395 408 420 448 474 476 480 504 510 544 553 560 576 595 612 630 632 672 680 711 714 720 765 790 816 840 948 952 960 1008 1020 1071 1088 1106 1120 1185 1190 1224 1260 1264 1343 1344 1360 1422 1428 1440 1530 1580 1632 1659 1680 1785 1896 1904 2016 2040 2142 2212 2240 2370 2380 2448 2520 2528 2686 2720 2765 2844 2856 2880 3060 3160 3264 3318 3360 3555 3570 3792 3808 4029 4032 4080 4284 4424 4733 4740 4760 4896 4977 5040 5056 5355 5372 5440 5530 5688 5712 6120 6320 6636 6715 6720 7110 7140 7584 7616 8058 8160 8295 8568 8848 9401 9466 9480 9520 9792 9954 10080 10710 10744 11060 11376 11424 12087 12240 12640 13272 13430 14199 14220 14280 15168 16116 16320 16590 17136 17696 18802 18932 18960 19040 19908 20145 20160 21420 21488 22120 22752 22848 23665 24174 24480 24885 25280 26544 26860 28203 28398 28440 28560 32232 33131 33180 34272 35392 37604 37864 37920 38080 39816 40290 42597 42840 42976 44240 45504 47005 47330 48348 48960 49770 53088 53720 56406 56796 56880 57120 60435 64464 66262 66360 68544 70995 75208 75728 75840 79632 80461 80580 84609 85194 85680 85952 88480 94010 94660 96696 99393 99540 106176 107440 112812 113592 113760 114240 120870 128928 132524 132720 141015 141990 150416 151456 159264 160922 161160 165655 169218 170388 171360 176960 188020 189320 193392 198786 199080 212985 214880 225624 227184 227520 241383 241740 257856 265048 265440 282030 283980 298179 300832 302912 318528 321844 322320 331310 338436 340776 342720 373907 376040 378640 386784 397572 398160 402305 423045 425970 429760 451248 454368 482766 483480 496965 530096 530880 563227 564060 567960 596358 601664 643688 644640 662620 676872 681552 724149 747814 752080 757280 773568 795144 796320 804610 846090 851940 902496 908736 965532 966960 993930 1060192 1121721 1126454 1128120 1135920 1192716 1206915 1287376 1289280 1325240 1353744 1363104 1448298 1490895 1495628 1504160 1514560 1590288 1592640 1609220 1689681 1692180 1703880 1804992 1869535 1931064 1933920 1987860 2120384 2243442 2252908 2256240 2271840 2385432 2413830 2574752 2617349 2650480 2707488 2726208 2816135 2896596 2981790 2991256 3008320 3180576 3218440 3365163 3379362 3384360 3407760 3620745 3739070 3862128 3867840 3975720 4486884 4505816 4512480 4543680 4770864 4827660 5069043 5149504 5234698 5300960 5414976 5608605 5632270 5793192 5963580 5982512 6356419 6361152 6436880 6730326 6758724 6768720 6815520 7241490 7478140 7724256 7852047 7951440 8448405 8973768 9011632 9024960 9541728 9655320 10138086 10469396 10601920 11217210 11264540 11586384 11927160 11965024 12712838 12873760 13086745 13460652 13517448 13537440 13631040 14482980 14956280 15448512 15704094 15902880 16825815 16896810 17947536 18023264 19069257 19083456 19310640 20276172 20938792 22434420 22529080 23172768 23556141 23854320 23930048 25345215 25425676 25747520 26173490 26921304 27034896 27074880 28965960 29912560 31408188 31782095 31805760 33651630 33793620 35895072 36046528 38138514 38621280 39260235 40552344 41877584 44494933 44868840 45058160 46345536 47112282 47708640 50690430 50851352 52346980 53842608 54069792 57207771 57931920 59825120 62816376 63564190 67303260 67587240 71790144 76277028 77242560 78520470 81104688 83755168 88989866 89737680 90116320 94224564 95346285 95417280 101380860 101702704 104693960 107685216 108139584 114415542 115863840 117780705 119650240 125632752 127128380 133484799 134606520 135174480 152554056 157040940 162209376 167510336 177979732 179475360 180232640 188449128 190692570 202761720 203405408 209387920 215370432 222474665 228831084 231727680 235561410 251265504 254256760 266969598 269213040 270348960 286038855 305108112 314081880 324418752 355959464 358950720 376898256 381385140 400454397 405523440 406810816 418775840 444949330 457662168 471122820 502531008 508513520 533939196 538426080 540697920 572077710 610216224 628163760 667423995 711918928 753796512 762770280 800908794 811046880 837551680 889898660 915324336 942245640 1017027040 1067878392 1076852160 1144155420 1220432448 1256327520 1334847990 1423837856 1507593024 1525540560 1601817588 1622093760 1779797320 1830648672 1884491280 2002271985 2034054080 2135756784 2288310840 2512655040 2669695980 2847675712 3051081120 3203635176 3559594640 3661297344 3768982560 4004543970 4271513568 4576621680 5339391960 6102162240 6407270352 7119189280 7537965120 8009087940 8543027136 9153243360 10678783920 12814540704 14238378560 16018175880 18306486720 21357567840 25629081408 32036351760 42715135680 64072703520 128145407040
• Sum of all divisors σ(n): 540230446080
• Sum of proper divisors (its aliquot sum) s(n): 412085039040
• 128145407040 is an abundant number, because the sum of its proper divisors (412085039040) is greater than itself. Its abundance is 283939632000

Bases of 128145407040

• Binary: 1110111010110000011111011110001000000₂
• Hexadecimal: 0x1DD60FBC40
• Base-36: 1MVAGSW0

Squares and roots of 128145407040

• 128145407040 squared (128145407040²) is 16421245345447281561600
• 128145407040 cubed (128145407040³) is 2104307168896047306572718833664000
• The square root of 128145407040 is 357974.0312369041
• The cube root of 128145407040 is 5041.5918252299

Scales and comparisons

• 128,145,407,040 seconds is equal to 4,074 years, 32 weeks, 4 days, 10 hours, 24 minutes.
• To count from 1 to 128,145,407,040 would take you about eight thousand, one hundred forty-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 128145407040 cubic inches would be around 420.1 feet tall.

Recreational maths with 128145407040

• 128145407040 backwards is 040704541821
• 128145407040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128145407040's digits is 36
• More coming soon!