18485906400

Names of 18485906400

• Cardinal: 18485906400 can be written as Eighteen billion, four hundred eighty-five million, nine hundred six thousand, four hundred.

Scientific notation

• Scientific notation: 1.84859064 × 10¹⁰

Factors of 18485906400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1597

Divisors of 18485906400

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 27 30 32 36 39 40 43 45 48 50 52 54 60 65 72 75 78 80 86 90 96 100 104 108 117 120 129 130 135 144 150 156 160 172 180 195 200 208 215 216 225 234 240 258 260 270 288 300 312 325 344 351 360 387 390 400 416 430 432 450 468 480 516 520 540 559 585 600 624 645 650 675 688 702 720 774 780 800 860 864 900 936 975 1032 1040 1075 1080 1118 1161 1170 1200 1248 1290 1300 1350 1376 1404 1440 1531 1548 1560 1677 1720 1755 1800 1872 1935 1950 2064 2080 2150 2160 2236 2322 2340 2400 2580 2600 2700 2795 2808 2925 3062 3096 3120 3225 3354 3440 3510 3600 3744 3870 3900 4128 4300 4320 4472 4593 4644 4680 5031 5160 5200 5400 5590 5616 5805 5850 6124 6192 6240 6450 6708 6880 7020 7200 7655 7740 7800 8385 8600 8775 8944 9186 9288 9360 9675 10062 10320 10400 10800 11180 11232 11610 11700 12248 12384 12900 13416 13779 13975 14040 15093 15310 15480 15600 16770 17200 17550 17888 18372 18576 18720 19350 19903 20124 20640 21600 22360 22965 23220 23400 24496 25155 25800 26832 27558 27950 28080 29025 30186 30620 30960 31200 33540 34400 35100 36744 37152 38275 38700 39806 40248 41337 41925 44720 45930 46440 46800 48992 50310 51600 53664 55116 55900 56160 58050 59709 60372 61240 61920 65833 67080 68895 70200 73488 75465 76550 77400 79612 80496 82674 83850 89440 91860 92880 93600 99515 100620 103200 110232 111800 114825 116100 119418 120744 122480 125775 131666 134160 137790 140400 146976 150930 153100 154800 159224 160992 165348 167700 179127 183720 185760 197499 199030 201240 206685 220464 223600 229650 232200 238836 241488 244960 251550 263332 268320 275580 280800 298545 301860 306200 309600 318448 329165 330696 335400 344475 358254 367440 377325 394998 398060 402480 413370 440928 447200 459300 464400 477672 482976 497575 503100 526664 537381 551160 592497 597090 603720 612400 636896 658330 661392 670800 688950 716508 734880 754650 789996 796120 804960 826740 855829 895635 918600 928800 955344 987495 995150 1006200 1033425 1053328 1074762 1102320 1184994 1194180 1207440 1224800 1316660 1322784 1341600 1377900 1433016 1492725 1509300 1579992 1592240 1645825 1653480 1711658 1777491 1791270 1837200 1910688 1974990 1990300 2012400 2066850 2106656 2149524 2204640 2369988 2388360 2414880 2567487 2633320 2686905 2755800 2866032 2962485 2985450 3018600 3159984 3184480 3291650 3306960 3423316 3554982 3582540 3674400 3949980 3980600 4024800 4133700 4279145 4299048 4478175 4739976 4776720 4937475 5134974 5266640 5373810 5511600 5732064 5924970 5970900 6037200 6319968 6583300 6613920 6846632 7109964 7165080 7702461 7899960 7961200 8267400 8558290 8598096 8887455 8956350 9479952 9553440 9874950 10269948 10533280 10747620 11023200 11849940 11941800 12074400 12837435 13166600 13434525 13693264 14219928 14330160 14812425 15404922 15799920 15922400 16534800 17116580 17196192 17774910 17912700 18959904 19749900 20539896 21395725 21495240 23107383 23699880 23883600 25674870 26333200 26869050 27386528 28439856 28660320 29624850 30809844 31599840 33069600 34233160 35549820 35825400 38512305 39499800 41079792 42791450 42990480 44437275 46214766 47399760 47767200 51349740 52666400 53738100 56879712 59249700 61619688 64187175 68466320 71099640 71650800 77024610 78999600 82159584 85582900 85980960 88874550 92429532 94799520 102699480 107476200 115536915 118499400 123239376 128374350 136932640 142199280 143301600 154049220 157999200 171165800 177749100 184859064 192561525 205398960 214952400 231073830 236998800 246478752 256748700 284398560 308098440 342331600 355498200 369718128 385123050 410797920 429904800 462147660 473997600 513497400 577684575 616196880 684663200 710996400 739436256 770246100 924295320 1026994800 1155369150 1232393760 1421992800 1540492200 1848590640 2053989600 2310738300 3080984400 3697181280 4621476600 6161968800 9242953200 18485906400
• Sum of all divisors σ(n): 73722781440
• Sum of proper divisors (its aliquot sum) s(n): 55236875040
• 18485906400 is an abundant number, because the sum of its proper divisors (55236875040) is greater than itself. Its abundance is 36750968640

Bases of 18485906400

• Binary: 10001001101110110001000101111100000₂
• Hexadecimal: 0x44DD88BE0
• Base-36: 8HQ14O0

Squares and roots of 18485906400

• 18485906400 squared (18485906400²) is 341728735429560960000
• 18485906400 cubed (18485906400³) is 6317165417341227699654144000000
• The square root of 18485906400 is 135962.8861123505
• The cube root of 18485906400 is 2644.1144520451

Scales and comparisons

• 18,485,906,400 seconds is equal to 587 years, 41 weeks, 2 days, 6 hours.
• To count from 1 to 18,485,906,400 would take you about one thousand, one hundred seventy-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 18485906400 cubic inches would be around 220.3 feet tall.

Recreational maths with 18485906400

• 18485906400 backwards is 00460958481
• 18485906400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18485906400's digits is 45
• More coming soon!