128440811520

Names of 128440811520

• Cardinal: 128440811520 can be written as One hundred twenty-eight billion, four hundred forty million, eight hundred eleven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.2844081152 × 10¹¹

Factors of 128440811520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 665

Divisors of 128440811520

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 41 42 45 48 56 60 63 64 70 72 80 82 84 90 96 105 112 120 123 126 128 140 144 160 164 168 180 192 205 210 224 240 246 252 256 280 287 288 315 320 328 336 360 369 384 410 420 448 480 492 504 512 560 574 576 607 615 630 640 656 672 720 738 768 820 840 861 896 960 984 1008 1024 1120 1148 1152 1214 1230 1260 1280 1312 1344 1435 1440 1476 1536 1640 1680 1722 1792 1821 1845 1920 1968 2016 2048 2240 2296 2304 2428 2460 2520 2560 2583 2624 2688 2870 2880 2952 3035 3072 3280 3360 3444 3584 3642 3690 3840 3936 4032 4096 4249 4305 4480 4592 4608 4856 4920 5040 5120 5166 5248 5376 5463 5740 5760 5904 6070 6144 6560 6720 6888 7168 7284 7380 7680 7872 8064 8192 8498 8610 8960 9105 9184 9216 9712 9840 10080 10240 10332 10496 10752 10926 11480 11520 11808 12140 12288 12747 12915 13120 13440 13776 14336 14568 14760 15360 15744 16128 16384 16996 17220 17920 18210 18368 18432 19424 19680 20160 20480 20664 20992 21245 21504 21852 22960 23040 23616 24280 24576 24887 25494 25830 26240 26880 27315 27552 28672 29136 29520 30720 31488 32256 33992 34440 35840 36420 36736 36864 38241 38848 39360 40320 40960 41328 41984 42490 43008 43704 45920 46080 47232 48560 49152 49774 50988 51660 52480 53760 54630 55104 57344 58272 59040 61440 62976 63735 64512 67984 68880 71680 72840 73472 73728 74661 76482 77696 78720 80640 81920 82656 83968 84980 86016 87408 91840 92160 94464 97120 99548 101976 103320 104960 107520 109260 110208 114688 116544 118080 122880 124435 125952 127470 129024 135968 137760 143360 145680 146944 147456 149322 152964 155392 157440 161280 165312 167936 169960 172032 174209 174816 183680 184320 188928 191205 194240 199096 203952 206640 209920 215040 218520 220416 223983 233088 236160 245760 248870 251904 254940 258048 271936 275520 286720 291360 293888 298644 305928 310784 314880 322560 330624 335872 339920 344064 348418 349632 367360 368640 373305 377856 382410 388480 398192 407904 413280 419840 430080 437040 440832 447966 466176 472320 497740 503808 509880 516096 522627 543872 551040 573440 582720 587776 597288 611856 621568 629760 645120 661248 671744 679840 696836 699264 734720 737280 746610 755712 764820 776960 796384 815808 826560 839680 860160 871045 874080 881664 895932 932352 944640 995480 1007616 1019760 1032192 1045254 1087744 1102080 1119915 1165440 1175552 1194576 1223712 1243136 1259520 1290240 1322496 1359680 1393672 1398528 1469440 1493220 1511424 1529640 1553920 1567881 1592768 1631616 1653120 1679360 1720320 1742090 1748160 1763328 1791864 1864704 1889280 1990960 2015232 2039520 2090508 2175488 2204160 2239830 2330880 2351104 2389152 2447424 2486272 2519040 2580480 2613135 2644992 2719360 2787344 2797056 2938880 2986440 3022848 3059280 3107840 3135762 3185536 3263232 3306240 3358720 3484180 3496320 3526656 3583728 3729408 3778560 3981920 4079040 4181016 4350976 4408320 4479660 4661760 4702208 4778304 4894848 4972544 5038080 5160960 5226270 5289984 5438720 5574688 5594112 5877760 5972880 6045696 6118560 6215680 6271524 6371072 6526464 6612480 6968360 6992640 7053312 7167456 7458816 7557120 7839405 7963840 8158080 8362032 8701952 8816640 8959320 9323520 9556608 9789696 9945088 10076160 10452540 10579968 10877440 11149376 11188224 11755520 11945760 12237120 12431360 12543048 12742144 13052928 13224960 13936720 13985280 14106624 14334912 14917632 15114240 15678810 15927680 16316160 16724064 17403904 17633280 17918640 18647040 19113216 19579392 20905080 21159936 21754880 22298752 22376448 23511040 23891520 24474240 24862720 25086096 25484288 26105856 26449920 27873440 27970560 28669824 29835264 30228480 31357620 31855360 32632320 33448128 34807808 35266560 35837280 37294080 38226432 39158784 41810160 42319872 43509760 44597504 44752896 47783040 48948480 49725440 50172192 50968576 52211712 52899840 55746880 55941120 57339648 62715240 63710720 65264640 66896256 69615616 70533120 71674560 74588160 76452864 78317568 83620320 87019520 89195008 89505792 95566080 97896960 100344384 101937152 104423424 105799680 111493760 111882240 114679296 125430480 127421440 130529280 133792512 143349120 149176320 152905728 156635136 167240640 174039040 178390016 191132160 195793920 200688768 203874304 208846848 211599360 222987520 223764480 229358592 250860960 254842880 261058560 267585024 286698240 305811456 313270272 334481280 348078080 356780032 382264320 391587840 401377536 407748608 445975040 447528960 458717184 501721920 509685760 522117120 535170048 573396480 611622912 626540544 668962560 713560064 764528640 783175680 802755072 891950080 917434368 1003443840 1019371520 1044234240 1070340096 1146792960 1223245824 1337925120 1427120128 1529057280 1566351360 1605510144 1783900160 1834868736 2006887680 2038743040 2140680192 2293585920 2675850240 2854240256 3058114560 3132702720 3211020288 3567800320 3669737472 4013775360 4281360384 4587171840 5351700480 6116229120 6422040576 7135600640 8027550720 8562720768 9174343680 10703400960 12844081152 14271201280 16055101440 18348687360 21406801920 25688162304 32110202880 42813603840 64220405760 128440811520
• Sum of all divisors σ(n): 522124581888
• Sum of proper divisors (its aliquot sum) s(n): 393683770368
• 128440811520 is an abundant number, because the sum of its proper divisors (393683770368) is greater than itself. Its abundance is 265242958848

Bases of 128440811520

• Binary: 1110111100111101010110100000000000000₂
• Hexadecimal: 0x1DE7AB4000
• Base-36: 1N06CCG0

Squares and roots of 128440811520

• 128440811520 squared (128440811520²) is 16497042063916164710400
• 128440811520 cubed (128440811520³) is 2118893470368967904649761783808000
• The square root of 128440811520 is 358386.3997419545
• The cube root of 128440811520 is 5045.4628597317

Scales and comparisons

• 128,440,811,520 seconds is equal to 4,084 years, 1 week, 11 hours, 12 minutes.
• To count from 1 to 128,440,811,520 would take you about eight thousand, one hundred sixty-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 128440811520 cubic inches would be around 420.5 feet tall.

Recreational maths with 128440811520

• 128440811520 backwards is 025118044821
• 128440811520 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128440811520's digits is 36
• More coming soon!