18812135790

Names of 18812135790

• Cardinal: 18812135790 can be written as Eighteen billion, eight hundred twelve million, one hundred thirty-five thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.881213579 × 10¹⁰

Factors of 18812135790

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 241

Divisors of 18812135790

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 27 30 31 35 38 42 43 45 54 57 62 63 70 81 86 90 93 95 105 114 126 129 131 133 135 155 162 171 186 189 190 210 215 217 258 262 266 270 279 285 301 310 315 342 378 387 393 399 405 430 434 465 513 558 567 570 589 602 630 645 651 655 665 774 786 798 810 817 837 855 903 917 930 945 1026 1085 1134 1161 1178 1179 1197 1290 1302 1310 1330 1333 1395 1505 1539 1634 1674 1710 1767 1806 1834 1890 1935 1953 1965 1995 2170 2322 2358 2394 2451 2489 2511 2565 2666 2709 2751 2790 2835 2945 3010 3078 3255 3483 3534 3537 3591 3870 3906 3930 3990 3999 4061 4085 4123 4185 4515 4585 4902 4978 5022 5130 5301 5418 5502 5633 5670 5719 5805 5859 5890 5895 5985 6510 6665 6966 7074 7182 7353 7467 7695 7998 8122 8127 8170 8246 8253 8370 8835 9030 9170 9331 9765 10602 10611 10773 11266 11438 11610 11718 11790 11970 11997 12183 12255 12369 12445 12555 13330 13545 13755 14706 14934 15390 15903 16254 16506 16899 17157 17415 17423 17577 17670 17685 17955 18662 19530 19995 20305 20615 21222 21546 22059 22401 23994 24366 24381 24510 24738 24759 24890 25110 25327 26505 27090 27510 27993 28165 28427 28595 29295 31806 33798 34314 34830 34846 35154 35370 35910 35991 36549 36765 37107 37335 39431 39990 40610 40635 41230 41265 44118 44802 46655 47709 48762 49518 50654 50697 51471 52269 53010 53055 53865 55986 56330 56854 57190 58590 59985 60915 61845 66177 67203 71982 73098 73530 74214 74277 74670 75981 77159 78862 79515 81270 82530 83979 84495 85281 85785 87115 87885 93310 95418 101394 102942 104538 106110 107027 107730 107973 109647 110295 111321 112005 118293 119970 121830 121905 123690 123795 126635 132354 134406 139965 142135 148554 151962 152091 154318 154413 156807 159030 167958 168990 170562 171570 174230 174623 175770 177289 179955 182745 185535 197155 201609 214054 215946 219294 220590 222642 224010 227943 231477 236586 238545 243810 247590 251937 253270 253485 255843 257355 261345 279930 284270 304182 308826 313614 321081 328941 330885 333963 336015 349246 354578 354879 359910 365490 371070 371385 379905 385795 394310 403218 419895 426405 455886 456273 462954 463239 470421 477090 503874 506970 511686 514710 522690 523869 531867 535135 539865 540113 548235 556605 591465 642162 657882 661770 667926 672030 683829 694431 709758 742770 749189 755811 759810 760455 767529 771590 772065 784035 839790 852810 873115 886445 912546 926478 940842 963243 1008045 1047738 1063734 1064637 1070270 1079730 1080226 1096470 1113210 1139715 1157385 1182930 1222361 1259685 1279215 1367658 1388862 1411263 1498378 1511622 1520910 1535058 1544130 1568070 1571607 1595601 1605405 1620339 1644705 1669815 1746230 1772890 1774395 1926486 2016090 2051487 2083293 2129274 2247567 2279430 2281365 2302587 2314770 2316195 2352105 2444722 2519370 2558430 2619345 2659335 2700565 2822526 2889729 3143214 3191202 3193911 3210810 3240678 3289410 3317837 3339630 3419145 3472155 3548790 3667083 3745945 3779055 3837645 4102974 4166586 4495134 4562730 4605174 4632390 4704210 4714821 4786803 4816215 4861017 5238690 5318670 5323185 5401130 5779458 6111805 6249879 6387822 6635674 6742701 6838290 6944310 7056315 7334166 7491890 7558110 7675290 7858035 7978005 8101695 8669187 9429642 9573606 9632430 9722034 9953511 10257435 10416465 10646370 11001249 11237835 11512935 12223610 12499758 13485402 14112630 14144463 14360409 14448645 14583051 15716070 15956010 15969555 16203390 16589185 17338374 18335415 19907022 20228103 20514870 20832930 22002498 22475670 23025870 23224859 23574105 23934015 24305085 28288926 28720818 28897290 29166102 29860533 31249395 31939110 33003747 33178370 33713505 36670830 40456206 43345935 43749153 46449718 47148210 47868030 48610170 49767555 55006245 59721066 60684309 62498790 66007494 67427010 69674577 70722315 71802045 72915255 86691870 87498306 89581599 99011241 99535110 101140515 110012490 116124295 121368618 139349154 141444630 143604090 145830510 149302665 165018735 179163198 198022482 202281030 209023731 218745765 232248590 268744797 298605330 303421545 330037470 348372885 418047462 437491530 447907995 495056205 537489594 606843090 627071193 696745770 895815990 990112410 1045118655 1254142386 1343723985 1881213579 2090237310 2687447970 3135355965 3762427158 6270711930 9406067895 18812135790
• Sum of all divisors σ(n): 64767098880
• Sum of proper divisors (its aliquot sum) s(n): 45954963090
• 18812135790 is an abundant number, because the sum of its proper divisors (45954963090) is greater than itself. Its abundance is 27142827300

Bases of 18812135790

• Binary: 10001100001010010100110100101101110₂
• Hexadecimal: 0x4614A696E
• Base-36: 8N49CVI

Squares and roots of 18812135790

• 18812135790 squared (18812135790²) is 353896452981398924100
• 18812135790 cubed (18812135790³) is 6657548129085426904329103539000
• The square root of 18812135790 is 137157.3395411269
• The cube root of 18812135790 is 2659.5778152015

Scales and comparisons

• 18,812,135,790 seconds is equal to 598 years, 8 weeks, 5 days, 1 hour, 16 minutes, 30 seconds.
• To count from 1 to 18,812,135,790 would take you about one thousand, one hundred ninety-six 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 18812135790 cubic inches would be around 221.6 feet tall.

Recreational maths with 18812135790

• 18812135790 backwards is 09753121881
• 18812135790 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18812135790's digits is 45
• More coming soon!