121638688031250

Names of 121638688031250

• Cardinal: 121638688031250 can be written as One hundred twenty-one trillion, six hundred thirty-eight billion, six hundred eighty-eight million, thirty-one thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.2163868803125 × 10¹⁴

Factors of 121638688031250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 246

Divisors of 121638688031250

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 25 26 27 30 39 45 50 54 65 75 78 90 117 125 130 135 150 195 223 225 234 250 270 325 351 375 390 446 450 585 625 650 669 675 702 750 975 1115 1125 1170 1250 1338 1350 1625 1755 1875 1950 2007 2230 2250 2899 2925 3125 3250 3345 3375 3510 3750 4014 4875 5575 5625 5798 5850 6021 6250 6690 6750 8125 8697 8775 9375 9750 10035 11150 11250 12042 14495 14625 15625 16250 16725 16875 17394 17550 18750 20070 24375 26091 27875 28125 28990 29250 30105 31250 33450 33750 40625 43485 43875 46875 48750 49729 50175 52182 55750 56250 60210 72475 73125 78273 81250 83625 84375 86970 87750 93750 99458 100350 121875 130455 139375 140625 144950 146250 149187 150525 156546 167250 168750 203125 217425 219375 243750 248645 250875 260910 278750 281250 298374 301050 362375 365625 391365 406250 418125 421875 434850 438750 447561 497290 501750 609375 646477 652275 696875 724750 731250 745935 752625 782730 836250 843750 895122 1087125 1096875 1218750 1243225 1254375 1292954 1304550 1342683 1393750 1491870 1505250 1811875 1828125 1939431 1956825 2090625 2174250 2193750 2237805 2486450 2508750 2685366 3232385 3261375 3484375 3623750 3656250 3729675 3763125 3878862 3913650 4181250 4475610 5435625 5484375 5818293 6216125 6271875 6464770 6522750 6713415 6968750 7459350 7526250 9059375 9697155 9784125 10453125 10871250 10968750 11089567 11189025 11636586 12432250 12543750 13426830 16161925 16306875 17454879 18118750 18648375 18815625 19394310 19568250 20906250 22179134 22378050 27178125 29091465 31080625 31359375 32323850 32613750 33268701 33567075 34909758 37296750 37631250 45296875 48485775 48920625 54356250 55447835 55945125 58182930 62161250 62718750 66537402 67134150 80809625 81534375 87274395 90593750 93241875 94078125 96971550 97841250 99806103 110895670 111890250 135890625 144164371 145457325 155403125 161619250 163068750 166343505 167835375 174548790 186483750 188156250 199612206 242428875 244603125 271781250 277239175 279725625 288328742 290914650 299418309 310806250 332687010 335670750 404048125 407671875 432493113 436371975 466209375 484857750 489206250 499030515 554478350 559451250 598836618 720821855 727286625 777015625 808096250 815343750 831717525 839176875 864986226 872743950 932418750 998061030 1212144375 1223015625 1297479339 1386195875 1398628125 1441643710 1454573250 1497091545 1554031250 1663435050 1678353750 2020240625 2162465565 2181859875 2331046875 2424288750 2446031250 2495152575 2594958678 2772391750 2797256250 2994183090 3604109275 3636433125 3892438017 4040481250 4158587625 4195884375 4324931130 4363719750 4662093750 4990305150 6060721875 6487396695 6930979375 6993140625 7208218550 7272866250 7485457725 7784876034 8317175250 8391768750 10101203125 10812327825 10909299375 12121443750 12475762875 12974793390 13861958750 13986281250 14970915450 18020546375 18182165625 19462190085 20202406250 20792938125 20979421875 21624655650 21818598750 24951525750 30303609375 32436983475 34654896875 36041092750 36364331250 37427288625 38924380170 41585876250 41958843750 54061639125 54546496875 60607218750 62378814375 64873966950 69309793750 74854577250 90102731875 90910828125 97310950425 103964690625 108123278250 109092993750 124757628750 162184917375 173274484375 180205463750 181821656250 187136443125 194621900850 207929381250 270308195625 272732484375 311894071875 324369834750 346548968750 374272886250 450513659375 486554752125 519823453125 540616391250 545464968750 623788143750 810924586875 901027318750 935682215625 973109504250 1039646906250 1351540978125 1559470359375 1621849173750 1871364431250 2252568296875 2432773760625 2703081956250 3118940718750 4054622934375 4505136593750 4678411078125 4865547521250 6757704890625 8109245868750 9356822156250 12163868803125 13515409781250 20273114671875 24327737606250 40546229343750 60819344015625 121638688031250
• Sum of all divisors σ(n): 365510821401600
• Sum of proper divisors (its aliquot sum) s(n): 243872133370350
• 121638688031250 is an abundant number, because the sum of its proper divisors (243872133370350) is greater than itself. Its abundance is 122233445339100

Bases of 121638688031250

• Binary: 11011101010000100110110110010101000001000010010₂
• Hexadecimal: 0x6EA136CA8212
• Base-36: 17481I8HSI

Squares and roots of 121638688031250

• 121638688031250 squared (121638688031250²) is 14795970425963762000976562500
• 121638688031250 cubed (121638688031250³) is 1799762430763407221154411343780517578125000
• The square root of 121638688031250 is 11028993.0651555857
• The cube root of 121638688031250 is 49547.7467441133

Scales and comparisons

• 121,638,688,031,250 seconds is equal to 3,867,734 years, 1 week, 2 days, 13 hours, 7 minutes, 30 seconds.
• To count from 1 to 121,638,688,031,250 would take you about nine million, six hundred sixty-nine thousand, three hundred thirty-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 121638688031250 cubic inches would be around 4129 feet tall.

Recreational maths with 121638688031250

• 121638688031250 backwards is 052130886836121
• 121638688031250 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 121638688031250's digits is 54
• More coming soon!