121810345020

Names of 121810345020

• Cardinal: 121810345020 can be written as One hundred twenty-one billion, eight hundred ten million, three hundred forty-five thousand and twenty.

Scientific notation

• Scientific notation: 1.2181034502 × 10¹¹

Factors of 121810345020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 131

Divisors of 121810345020

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 45 52 54 60 63 65 70 78 81 84 90 91 101 105 108 117 126 130 135 140 156 162 180 182 189 195 202 210 234 243 252 260 270 273 303 315 324 351 364 378 390 404 405 420 455 468 486 505 540 546 567 585 606 630 702 707 729 756 780 810 819 909 910 945 972 1010 1053 1092 1134 1170 1212 1215 1260 1313 1365 1404 1414 1458 1515 1620 1638 1701 1755 1818 1820 1890 2020 2106 2121 2187 2268 2340 2430 2457 2626 2727 2730 2828 2835 2916 3030 3159 3276 3402 3510 3535 3636 3645 3780 3939 4095 4212 4242 4374 4545 4860 4914 5103 5252 5265 5454 5460 5670 6060 6318 6363 6561 6565 6804 7020 7070 7290 7371 7878 8181 8190 8484 8505 8748 9090 9191 9477 9828 10201 10206 10530 10605 10908 10935 11340 11817 12285 12636 12726 13122 13130 13635 14140 14580 14742 15309 15756 15795 16362 16380 17010 18180 18382 18954 19089 19695 20402 20412 21060 21210 21870 22113 23634 24543 24570 25452 25515 26244 26260 27270 27573 28431 29484 30603 30618 31590 31815 32724 32805 34020 35451 36764 36855 37908 38178 39390 40804 40905 42420 43740 44226 45927 45955 47268 47385 49086 49140 51005 51030 54540 55146 56862 57267 59085 61206 61236 63180 63630 65610 66339 70902 71407 73629 73710 76356 76545 78780 81810 82719 85293 88452 91809 91854 91910 94770 95445 98172 102010 102060 106353 110292 110565 113724 114534 118170 122412 122715 127260 131220 132613 132678 137865 141804 142155 142814 147258 147420 153015 153090 163620 165438 170586 171801 177255 183618 183708 183820 189540 190890 199017 204020 212706 214221 220887 221130 229068 229635 236340 245430 248157 265226 265356 275427 275730 284310 285628 286335 294516 306030 306180 319059 330876 331695 341172 343602 354510 357035 367236 368145 381780 397839 398034 413595 425412 426465 428442 441774 442260 459045 459270 490860 496314 515403 530452 531765 550854 551460 568620 572670 597051 612060 638118 642663 662661 663065 663390 687204 709020 714070 736290 744471 795678 796068 826281 827190 852930 856884 859005 883548 918090 918540 928291 957177 992628 995085 1030806 1063530 1071105 1101708 1104435 1145340 1193517 1194102 1240785 1276236 1285326 1325322 1326130 1326780 1377135 1428140 1472580 1488942 1546209 1591356 1595295 1652562 1654380 1705860 1718010 1836180 1856582 1914354 1927989 1989195 1990170 2061612 2127060 2142210 2208870 2233413 2387034 2388204 2478843 2481570 2570652 2577015 2650644 2652260 2754270 2784873 2871531 2977884 2985255 3092418 3190590 3213315 3305124 3313305 3436020 3580551 3713164 3722355 3828708 3855978 3978390 3980340 4131405 4284420 4417740 4466826 4638627 4641455 4774068 4785885 4957686 4963140 5154030 5508540 5569746 5743062 5783967 5967585 5970510 6184836 6381180 6426630 6626610 6700239 7161102 7436529 7444710 7711956 7731045 7956780 8262810 8354619 8614593 8933652 9277254 9282910 9571770 9639945 9915372 10308060 10741653 11139492 11167065 11486124 11567934 11935170 11941020 12394215 12853260 13253220 13400478 13924365 14322204 14357655 14873058 14889420 15462090 16525620 16709238 17229186 17351901 17902755 18554508 18565820 19143540 19279890 20100717 21483306 22309587 22334130 23135868 23193135 23870340 24788430 25063857 26800956 27848730 28715310 28919835 29746116 30924180 32224959 33418476 33501195 34458372 34703802 35805510 37182645 38559780 40201434 41773095 42966612 43072965 44619174 44668260 46386270 49576860 50127714 52055703 53708265 55697460 57430620 57839670 60302151 64449918 66928761 67002390 69407604 71611020 74365290 75191571 80402868 83546190 86145930 86759505 89238348 92772540 96674877 100255428 100503585 104111406 107416530 111547935 115679340 120604302 125319285 128899836 133857522 134004780 148730580 150383142 156167109 161124795 167092380 172291860 173519010 193349754 201007170 208222812 214833060 223095870 225574713 241208604 250638570 260278515 267715044 290024631 300766284 301510755 312334218 322249590 334643805 347038020 375957855 386699508 402014340 446191740 451149426 468501327 483374385 501277140 520557030 580049262 603021510 624668436 644499180 669287610 676724139 751915710 780835545 870073893 902298852 937002654 966748770 1041114060 1127873565 1160098524 1206043020 1338575220 1353448278 1450123155 1503831420 1561671090 1740147786 1874005308 1933497540 2030172417 2255747130 2342506635 2706896556 2900246310 3123342180 3383620695 3480295572 4060344834 4350369465 4511494260 4685013270 5800492620 6090517251 6767241390 8120689668 8700738930 9370026540 10150862085 12181034502 13534482780 17401477860 20301724170 24362069004 30452586255 40603448340 60905172510 121810345020
• Sum of all divisors σ(n): 476947135392
• Sum of proper divisors (its aliquot sum) s(n): 355136790372
• 121810345020 is an abundant number, because the sum of its proper divisors (355136790372) is greater than itself. Its abundance is 233326445352

Bases of 121810345020

• Binary: 1110001011100011101100101110000111100₂
• Hexadecimal: 0x1C5C765C3C
• Base-36: 1JYIQFR0

Squares and roots of 121810345020

• 121810345020 squared (121810345020²) is 14837760153891438800400
• 121810345020 cubed (121810345020³) is 1807392683669524455900938914008000
• The square root of 121810345020 is 349013.3880240127
• The cube root of 121810345020 is 4957.1043113089

Scales and comparisons

• 121,810,345,020 seconds is equal to 3,873 years, 9 weeks, 6 days, 22 hours, 57 minutes.
• To count from 1 to 121,810,345,020 would take you about seven thousand, seven hundred forty-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 121810345020 cubic inches would be around 413.1 feet tall.

Recreational maths with 121810345020

• 121810345020 backwards is 020543018121
• 121810345020 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121810345020's digits is 27
• More coming soon!