18451159133940

Names of 18451159133940

• Cardinal: 18451159133940 can be written as Eighteen trillion, four hundred fifty-one billion, one hundred fifty-nine million, one hundred thirty-three thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.845115913394 × 10¹³

Factors of 18451159133940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 364176

Divisors of 18451159133940

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 31 36 39 45 52 54 60 62 65 78 90 93 108 117 124 130 135 155 156 180 186 195 233 234 260 270 279 310 351 372 390 403 465 466 468 540 558 585 620 699 702 780 806 837 930 932 1116 1165 1170 1209 1395 1398 1404 1612 1674 1755 1860 2015 2097 2330 2340 2418 2790 2796 3029 3348 3495 3510 3627 4030 4185 4194 4660 4836 5580 6045 6058 6291 6990 7020 7223 7254 8060 8370 8388 9087 10485 10881 12090 12116 12582 13980 14446 14508 15145 16740 18135 18174 20970 21669 21762 24180 25164 27261 28892 30290 31455 36115 36270 36348 41940 43338 43524 45435 54405 54522 60580 62910 65007 72230 72540 81783 86676 90870 93899 108345 108810 109044 125820 130014 136305 144460 163566 181740 187798 195021 216690 217620 260028 272610 281697 325035 327132 363889 375596 390042 408915 433380 469495 545220 563394 650070 727778 780084 817830 845091 938990 975105 1091667 1126788 1300140 1408485 1455556 1635660 1690182 1819445 1877980 1950210 2183334 2535273 2816970 3275001 3380364 3638890 3900420 4225455 4366668 4730557 5070546 5458335 5633940 6550002 7277780 8450910 9461114 9825003 10141092 10916670 11280559 12676365 13100004 14191671 16375005 16901820 18922228 19650006 21833340 22561118 23652785 25352730 28383342 32750010 33841677 39300012 42575013 45122236 47305570 49125015 50705460 56402795 56766684 65500020 67683354 70958355 84786137 85150026 94611140 98250030 101525031 112805590 127725039 135366708 141916710 146647267 169208385 169572274 170300052 196500060 203050062 212875065 225611180 254358411 255450078 283833420 293294534 304575093 338416770 339144548 406100124 423930685 425750130 439941801 507625155 508716822 510900156 586589068 609150186 638625195 676833540 733236335 763075233 847861370 851500260 879883602 1015250310 1017433644 1102219781 1218300372 1271792055 1277250390 1319825403 1466472670 1522875465 1526150466 1695722740 1759767204 2030500620 2199709005 2204439562 2289225699 2543584110 2554500780 2628370247 2639650806 2932945340 3045750930 3052300932 3306659343 3815376165 3959476209 4399418010 4408879124 4578451398 5087168220 5256740494 5279301612 5511098905 6091501860 6599127015 6613318686 7630752330 7885110741 7918952418 8798836020 9156902796 9919978029 10513480988 11022197810 11446128495 13141851235 13198254030 13226637372 15261504660 15770221482 15837904836 16533296715 19797381045 19839956058 22044395620 22892256990 23655332223 26283702470 26396508060 29759934087 31540442964 33066593430 34168813211 39425553705 39594762090 39679912116 45784513980 47310664446 49599890145 52567404940 59519868174 66133186860 68337626422 70965996669 78851107410 79189524180 94621328892 99199780290 102506439633 118276661115 119039736348 136675252844 141931993338 148799670435 157702214820 170844066055 198399560580 205012879266 236553322230 283863986676 297599340870 307519318899 341688132110 354829983345 410025758532 473106644460 512532198165 595198681740 615038637798 683376264220 709659966690 922557956697 1025064396330 1230077275596 1419319933380 1537596594495 1845115913394 2050128792660 3075193188990 3690231826788 4612789783485 6150386377980 9225579566970 18451159133940
• Sum of all divisors σ(n): 64087491686400
• Sum of proper divisors (its aliquot sum) s(n): 45636332552460
• 18451159133940 is an abundant number, because the sum of its proper divisors (45636332552460) is greater than itself. Its abundance is 27185173418520

Bases of 18451159133940

• Binary: 100001100011111111110110010010010111011110100₂
• Hexadecimal: 0x10C7FEC92EF4
• Base-36: 6JGCFR4L0

Squares and roots of 18451159133940

• 18451159133940 squared (18451159133940²) is 340445273385977490859923600
• 18451159133940 cubed (18451159133940³) is 6281609915642378971595322197230566984000
• The square root of 18451159133940 is 4295481.2459071451
• The cube root of 18451159133940 is 26424.5673198359

Scales and comparisons

• 18,451,159,133,940 seconds is equal to 586,689 years, 40 weeks, 6 days, 13 hours, 39 minutes.
• To count from 1 to 18,451,159,133,940 would take you about one million, four hundred sixty-six thousand, seven hundred twenty-four 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 18451159133940 cubic inches would be around 2202 feet tall.

Recreational maths with 18451159133940

• 18451159133940 backwards is 04933195115481
• 18451159133940 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18451159133940's digits is 54
• More coming soon!