18126223440

Names of 18126223440

• Cardinal: 18126223440 can be written as Eighteen billion, one hundred twenty-six million, two hundred twenty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.812622344 × 10¹⁰

Factors of 18126223440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 632

Divisors of 18126223440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 38 39 40 43 48 52 57 60 65 76 78 80 86 95 104 114 120 129 130 152 156 169 172 190 195 208 215 228 240 247 258 260 285 304 312 338 344 380 390 430 456 494 507 516 520 547 559 570 624 645 676 688 741 760 780 817 845 860 912 988 1014 1032 1040 1094 1118 1140 1235 1290 1352 1482 1520 1560 1634 1641 1677 1690 1720 1976 2028 2064 2188 2236 2280 2451 2470 2535 2580 2704 2735 2795 2964 3120 3211 3268 3282 3354 3380 3440 3705 3952 4056 4085 4376 4472 4560 4902 4940 5070 5160 5470 5590 5928 6422 6536 6564 6708 6760 7111 7267 7410 8112 8170 8205 8385 8752 8944 9633 9804 9880 10140 10320 10393 10621 10940 11180 11856 12255 12844 13072 13128 13416 13520 14222 14534 14820 16055 16340 16410 16770 19266 19608 19760 20280 20786 21242 21333 21801 21880 22360 23521 24510 25688 26256 26832 28444 29068 29640 31179 31863 32110 32680 32820 33540 35555 36335 38532 39216 40560 41572 42484 42666 43602 43760 44720 47042 48165 49020 51376 51965 53105 56888 58136 59280 62358 63726 64220 65360 65640 67080 70563 71110 72670 77064 83144 84968 85332 87204 92443 94084 96330 98040 103930 106210 106665 109005 113776 116272 117605 124716 127452 128440 131280 134160 135109 138073 141126 142220 145340 154128 155895 159315 166288 169936 170664 174408 184886 188168 192660 196080 207860 212420 213330 218010 235210 249432 254904 256880 270218 276146 277329 282252 284440 290680 305773 311790 318630 341328 348816 352815 369772 376336 385320 405327 414219 415720 424840 426660 436020 446899 462215 470420 498864 509808 540436 552292 554658 564504 568880 581360 611546 623580 637260 675545 690365 705630 739544 770640 810654 828438 831440 849680 853320 872040 893798 917319 924430 940840 1080872 1104584 1109316 1129008 1223092 1247160 1274520 1340697 1351090 1380730 1386645 1411260 1479088 1528865 1621308 1656876 1706640 1744080 1756417 1787596 1834638 1848860 1881680 2026635 2071095 2161744 2209168 2218632 2234495 2446184 2494320 2549040 2681394 2702180 2761460 2773290 2822520 3057730 3242616 3313752 3512834 3575192 3669276 3697720 3975049 4053270 4142190 4437264 4468990 4586595 4892368 5269251 5362788 5404360 5522920 5546580 5645040 5809687 6115460 6485232 6627504 6703485 7025668 7150384 7338552 7395440 7950098 8106540 8284380 8782085 8937980 9173190 10538502 10725576 10808720 11045840 11093160 11619374 11925147 12230920 13406970 14051336 14677104 15900196 16213080 16568760 17429061 17564170 17875960 18346380 19875245 21077004 21451152 22186320 23238748 23850294 24461840 26346255 26813940 28102672 29048435 31800392 32426160 33137520 34858122 35128340 35751920 36692760 39750490 42154008 46477496 47700588 52692510 53627880 58096870 59625735 63600784 69716244 70256680 73385520 75525931 79500980 84308016 87145305 92954992 95401176 105385020 107255760 116193740 119251470 139432488 140513360 151051862 159001960 174290610 190802352 210770040 226577793 232387480 238502940 278864976 302103724 318003920 348581220 377629655 421540080 453155586 464774960 477005880 604207448 697162440 755259310 906311172 954011760 1132888965 1208414896 1394324880 1510518620 1812622344 2265777930 3021037240 3625244688 4531555860 6042074480 9063111720 18126223440
• Sum of all divisors σ(n): 65657940480
• Sum of proper divisors (its aliquot sum) s(n): 47531717040
• 18126223440 is an abundant number, because the sum of its proper divisors (47531717040) is greater than itself. Its abundance is 29405493600

Bases of 18126223440

• Binary: 10000111000011010000011100001010000₂
• Hexadecimal: 0x438683850
• Base-36: 8BRVVIO

Squares and roots of 18126223440

• 18126223440 squared (18126223440²) is 328559976196805433600
• 18126223440 cubed (18126223440³) is 5955551541984376703639683584000
• The square root of 18126223440 is 134633.6638437801
• The cube root of 18126223440 is 2626.8530379011

Scales and comparisons

• 18,126,223,440 seconds is equal to 576 years, 18 weeks, 4 days, 6 hours, 4 minutes.
• To count from 1 to 18,126,223,440 would take you about one thousand, one hundred fifty-two 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 18126223440 cubic inches would be around 218.9 feet tall.

Recreational maths with 18126223440

• 18126223440 backwards is 04432262181
• The number of decimal digits it has is: 11
• The sum of 18126223440's digits is 33
• More coming soon!