1981831031250

Names of 1981831031250

• Cardinal: 1981831031250 can be written as One trillion, nine hundred eighty-one billion, eight hundred thirty-one million, thirty-one thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.98183103125 × 10¹²

Factors of 1981831031250

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 266

Divisors of 1981831031250

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 25 30 35 42 43 49 50 70 75 79 86 98 105 125 127 129 147 150 158 175 210 215 237 245 250 254 258 294 301 350 375 381 395 430 474 490 525 553 602 625 635 645 735 750 762 790 875 889 903 1050 1075 1106 1185 1225 1250 1270 1290 1470 1505 1659 1750 1778 1806 1875 1905 1975 2107 2150 2370 2450 2625 2667 2765 3010 3125 3175 3225 3318 3397 3675 3750 3810 3871 3950 4214 4375 4445 4515 5250 5334 5375 5461 5530 5925 6125 6223 6250 6321 6350 6450 6794 7350 7525 7742 8295 8750 8890 9030 9375 9525 9875 10033 10191 10535 10750 10922 11613 11850 12250 12446 12642 13125 13335 13825 15050 15625 15875 16125 16383 16590 16985 18375 18669 18750 19050 19355 19750 20066 20382 21070 21875 22225 22575 23226 23779 26250 26670 26875 27305 27650 29625 30099 30625 31115 31250 31605 31750 32250 32766 33970 36750 37338 37625 38227 38710 41475 43750 44450 45150 46875 47558 47625 49375 50165 50955 52675 53750 54610 58065 59250 60198 61250 62230 63210 65625 66675 69125 70231 71337 75250 76454 79375 80625 81915 82950 84925 91875 93345 93750 95250 96775 98750 100330 101910 105350 109375 111125 112875 114681 116130 118895 131250 133350 134375 136525 138250 140462 142674 148125 150495 153125 155575 158025 158750 161250 163830 166453 169850 183750 186690 188125 191135 193550 207375 210693 218750 222250 225750 229362 237790 238125 246875 250825 254775 263375 267589 268750 273050 290325 296250 300990 306250 311150 316050 328125 332906 333375 345625 351155 356685 376250 382270 396875 403125 409575 414750 421386 424625 431419 459375 466725 476250 483875 491617 493750 499359 501650 509550 526750 535178 555625 564375 573405 580650 594475 656250 666750 671875 682625 691250 702310 713370 740625 752475 765625 777875 790125 793750 802767 806250 819150 832265 849250 862838 918750 933450 940625 955675 967750 983234 998718 1036875 1053465 1111250 1128750 1146810 1188950 1190625 1234375 1254125 1273875 1294257 1316875 1337945 1343750 1365250 1451625 1474851 1481250 1504950 1531250 1555750 1580250 1605534 1664530 1666875 1728125 1755775 1783425 1881250 1911350 1984375 2015625 2047875 2073750 2106930 2123125 2157095 2296875 2333625 2381250 2419375 2458085 2468750 2496795 2508250 2547750 2588514 2633750 2675890 2778125 2821875 2867025 2903250 2949702 2972375 3019933 3333750 3413125 3456250 3511550 3566850 3703125 3762375 3889375 3950625 3968750 4013835 4031250 4095750 4161325 4246250 4314190 4593750 4667250 4703125 4778375 4838750 4916170 4993590 5184375 5267325 5556250 5643750 5734050 5944750 5953125 6039866 6270625 6369375 6471285 6584375 6689725 6826250 7258125 7374255 7406250 7524750 7778750 7901250 8027670 8322650 8334375 8640625 8778875 8917125 9059799 9406250 9556750 10239375 10368750 10534650 10615625 10785475 11668125 11906250 12096875 12290425 12483975 12541250 12738750 12942570 13168750 13379450 13890625 14109375 14335125 14516250 14748510 14861875 15099665 16668750 17065625 17281250 17557750 17834250 18119598 18811875 19446875 19753125 20069175 20478750 20806625 21139531 21231250 21570950 23336250 23891875 24193750 24580850 24967950 25921875 26336625 27781250 28218750 28670250 29723750 30199330 31353125 31846875 32356425 32921875 33448625 34131250 36290625 36871275 37623750 38893750 39506250 40138350 41613250 41671875 42279062 43894375 44585625 45298995 47783750 51196875 51843750 52673250 53078125 53927375 58340625 60484375 61452125 62419875 62706250 63418593 63693750 64712850 65843750 66897250 71675625 72581250 73742550 74309375 75498325 83343750 85328125 87788750 89171250 90597990 94059375 97234375 98765625 100345875 102393750 104033125 105697655 106156250 107854750 116681250 119459375 120968750 122904250 124839750 126837186 131683125 143351250 148618750 150996650 156765625 159234375 161782125 167243125 170656250 181453125 184356375 188118750 194468750 197531250 200691750 208066250 211395310 219471875 222928125 226494975 238918750 255984375 263366250 269636875 291703125 307260625 312099375 313531250 317092965 318468750 323564250 334486250 358378125 362906250 368712750 371546875 377491625 438943750 445856250 452989950 470296875 501729375 511968750 520165625 528488275 539273750 583406250 597296875 614521250 624198750 634185930 658415625 716756250 743093750 754983250 808910625 836215625 921781875 940593750 1003458750 1040331250 1056976550 1097359375 1114640625 1132474875 1194593750 1316831250 1348184375 1536303125 1560496875 1585464825 1617821250 1672431250 1791890625 1843563750 1887458125 2194718750 2229281250 2264949750 2508646875 2600828125 2642441375 2696368750 3072606250 3120993750 3170929650 3292078125 3583781250 3774916250 4044553125 4181078125 4608909375 5017293750 5201656250 5284882750 5662374375 6584156250 6740921875 7681515625 7802484375 7927324125 8089106250 8362156250 9217818750 9437290625 11324748750 12543234375 13212206875 13481843750 15363031250 15604968750 15854648250 18874581250 20222765625 23044546875 25086468750 26424413750 28311871875 39636620625 40445531250 46089093750 47186453125 56623743750 66061034375 79273241250 94372906250 132122068750 141559359375 198183103125 283118718750 330305171875 396366206250 660610343750 990915515625 1981831031250
• Sum of all divisors σ(n): 6019122954240
• Sum of proper divisors (its aliquot sum) s(n): 4037291922990
• 1981831031250 is an abundant number, because the sum of its proper divisors (4037291922990) is greater than itself. Its abundance is 2055460891740

Bases of 1981831031250

• Binary: 11100110101101110010101011010100111010010₂
• Hexadecimal: 0x1CD6E55A9D2
• Base-36: PAFV0YJ6

Squares and roots of 1981831031250

• 1981831031250 squared (1981831031250²) is 3927654236425438476562500
• 1981831031250 cubed (1981831031250³) is 7783947045768458049739288330078125000
• The square root of 1981831031250 is 1407775.2062207945
• The cube root of 1981831031250 is 12560.9419369147

Scales and comparisons

• 1,981,831,031,250 seconds is equal to 63,016 years, 5 weeks, 3 hours, 47 minutes, 30 seconds.
• To count from 1 to 1,981,831,031,250 would take you about one hundred fifty-seven thousand, five hundred forty 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 1981831031250 cubic inches would be around 1046.7 feet tall.

Recreational maths with 1981831031250

• 1981831031250 backwards is 0521301381891
• 1981831031250 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1981831031250's digits is 42
• More coming soon!