18068736400

Names of 18068736400

• Cardinal: 18068736400 can be written as Eighteen billion, sixty-eight million, seven hundred thirty-six thousand, four hundred.

Scientific notation

• Scientific notation: 1.80687364 × 10¹⁰

Factors of 18068736400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 78

Divisors of 18068736400

• Number of divisors d(n): 405
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 25 26 40 44 47 50 52 55 65 80 88 94 100 104 110 121 130 143 169 176 188 200 208 220 235 242 260 275 286 325 338 376 400 440 470 484 517 520 550 572 605 611 650 676 715 752 845 880 940 968 1034 1040 1100 1144 1175 1210 1222 1300 1352 1430 1573 1690 1859 1880 1936 2068 2200 2209 2288 2350 2420 2444 2585 2600 2704 2860 3025 3055 3146 3380 3575 3718 3760 4136 4225 4400 4418 4700 4840 4888 5170 5200 5687 5720 6050 6110 6292 6721 6760 7150 7436 7865 7943 8272 8450 8836 9295 9400 9680 9776 10340 11045 11374 11440 12100 12220 12584 12925 13442 13520 14300 14872 15275 15730 15886 16900 17672 18590 18800 20449 20680 22090 22748 24200 24299 24440 25168 25850 26884 28435 28600 28717 29744 30550 31460 31772 33605 33800 35344 37180 39325 39715 40898 41360 44180 45496 46475 48400 48598 48880 51700 53768 55225 56870 57200 57434 61100 62920 63544 67210 67600 73931 74360 78650 79430 81796 87373 88360 90992 92950 97196 102245 103400 107536 110450 113740 114868 121495 122200 125840 127088 134420 142175 143585 147862 148720 157300 158860 163592 168025 174746 176720 185900 194392 198575 204490 206800 220900 227480 229736 242990 244400 267289 268840 284350 287170 295724 314600 315887 317720 327184 336050 349492 369655 371800 373321 388784 397150 408980 436865 441800 454960 459472 485980 511225 534578 537680 568700 574340 591448 607475 629200 631774 635440 672100 698984 717925 739310 743600 746642 794300 817960 873730 883600 961103 971960 1022450 1069156 1137400 1148680 1182896 1214950 1263548 1336445 1344200 1397968 1435850 1478620 1493284 1579435 1588600 1635920 1747460 1848275 1866605 1922206 1943920 2044900 2138312 2184325 2274800 2297360 2429900 2527096 2672890 2688400 2871700 2957240 2986568 3158870 3177200 3474757 3494920 3696550 3733210 3844412 4089800 4106531 4276624 4368650 4805515 4859800 5054192 5345780 5743400 5914480 5973136 6317740 6682225 6949514 6989840 7393100 7466420 7688824 7897175 8179600 8213062 8737300 9333025 9611030 9719600 10691560 11486800 12635480 13364450 13899028 14786200 14932840 15377648 15794350 16426124 17373785 17474600 18666050 19222060 20532655 21383120 24027575 25270960 26728900 27798056 29572400 29865680 31588700 32852248 34747570 34949200 37332100 38444120 41065310 45171841 48055150 53457800 55596112 63177400 65704496 69495140 74664200 76888240 82130620 86868925 90343682 96110300 102663275 106915600 126354800 138990280 149328400 164261240 173737850 180687364 192220600 205326550 225859205 277980560 328522480 347475700 361374728 384441200 410653100 451718410 694951400 722749456 821306200 903436820 1129296025 1389902800 1642612400 1806873640 2258592050 3613747280 4517184100 9034368200 18068736400
• Sum of all divisors σ(n): 52790731203
• Sum of proper divisors (its aliquot sum) s(n): 34721994803
• 18068736400 is an abundant number, because the sum of its proper divisors (34721994803) is greater than itself. Its abundance is 16653258403

Bases of 18068736400

• Binary: 10000110100111110110000100110010000₂
• Hexadecimal: 0x434FB0990
• Base-36: 8ATNQ8G

Squares and roots of 18068736400

• 18068736400 squared (18068736400²) is 326479235092684960000
• 18068736400 cubed (18068736400³) is 5899067238963354110484544000000
• 18068736400 is a perfect square number. Its square root is 134420
• The cube root of 18068736400 is 2624.0730889133

Scales and comparisons

• 18,068,736,400 seconds is equal to 574 years, 27 weeks, 3 days, 21 hours, 26 minutes, 40 seconds.
• To count from 1 to 18,068,736,400 would take you about one thousand, one hundred forty-nine 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 18068736400 cubic inches would be around 218.7 feet tall.

Recreational maths with 18068736400

• 18068736400 backwards is 00463786081
• The number of decimal digits it has is: 11
• The sum of 18068736400's digits is 43
• More coming soon!