18039075840

Names of 18039075840

• Cardinal: 18039075840 can be written as Eighteen billion, thirty-nine million, seventy-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.803907584 × 10¹⁰

Factors of 18039075840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 189

Divisors of 18039075840

• Number of divisors d(n): 440
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 179 180 192 216 240 243 256 270 288 320 324 358 360 384 405 432 480 486 512 537 540 576 640 648 716 720 729 768 810 864 895 960 972 1024 1074 1080 1152 1215 1280 1296 1432 1440 1458 1536 1611 1620 1728 1790 1920 1944 2148 2160 2187 2304 2430 2560 2592 2685 2864 2880 2916 3072 3222 3240 3456 3580 3645 3840 3888 4296 4320 4374 4608 4833 4860 5120 5184 5370 5728 5760 5832 6444 6480 6561 6912 7160 7290 7680 7776 8055 8592 8640 8748 9216 9666 9720 10368 10740 10935 11456 11520 11664 12888 12960 13122 13824 14320 14499 14580 15360 15552 16110 17184 17280 17496 19332 19440 19683 20736 21480 21870 22912 23040 23328 24165 25776 25920 26244 27648 28640 28998 29160 31104 32220 32805 34368 34560 34992 38664 38880 39366 41472 42960 43497 43740 45824 46080 46656 48330 51552 51840 52488 57280 57996 58320 62208 64440 65610 68736 69120 69984 72495 77328 77760 78732 82944 85920 86994 87480 91648 93312 96660 98415 103104 103680 104976 114560 115992 116640 124416 128880 130491 131220 137472 138240 139968 144990 154656 155520 157464 171840 173988 174960 183296 186624 193320 196830 206208 207360 209952 217485 229120 231984 233280 248832 257760 260982 262440 274944 279936 289980 309312 311040 314928 343680 347976 349920 373248 386640 391473 393660 412416 414720 419904 434970 458240 463968 466560 515520 521964 524880 549888 559872 579960 618624 622080 629856 652455 687360 695952 699840 746496 773280 782946 787320 824832 839808 869940 916480 927936 933120 1031040 1043928 1049760 1119744 1159920 1174419 1237248 1244160 1259712 1304910 1374720 1391904 1399680 1546560 1565892 1574640 1649664 1679616 1739880 1855872 1866240 1957365 2062080 2087856 2099520 2239488 2319840 2348838 2474496 2519424 2609820 2749440 2783808 2799360 3093120 3131784 3149280 3359232 3479760 3523257 3711744 3732480 3914730 4124160 4175712 4199040 4639680 4697676 4948992 5038848 5219640 5567616 5598720 5872095 6186240 6263568 6298560 6718464 6959520 7046514 7423488 7829460 8248320 8351424 8398080 9279360 9395352 10077696 10439280 11135232 11197440 11744190 12372480 12527136 12597120 13919040 14093028 14846976 15658920 16702848 16796160 17616285 18558720 18790704 20155392 20878560 22270464 23488380 24744960 25054272 25194240 27838080 28186056 31317840 33405696 33592320 35232570 37117440 37581408 41757120 44540928 46976760 50108544 50388480 55676160 56372112 62635680 66811392 70465140 74234880 75162816 83514240 93953520 100217088 100776960 111352320 112744224 125271360 133622784 140930280 150325632 167028480 187907040 200434176 222704640 225488448 250542720 281860560 300651264 334056960 375814080 400868352 450976896 501085440 563721120 601302528 668113920 751628160 901953792 1002170880 1127442240 1202605056 1503256320 1803907584 2004341760 2254884480 3006512640 3607815168 4509768960 6013025280 9019537920 18039075840
• Sum of all divisors σ(n): 65270478240
• Sum of proper divisors (its aliquot sum) s(n): 47231402400
• 18039075840 is an abundant number, because the sum of its proper divisors (47231402400) is greater than itself. Its abundance is 29192326560

Bases of 18039075840

• Binary: 10000110011001101100111010000000000₂
• Hexadecimal: 0x433367400
• Base-36: 8AC0000

Squares and roots of 18039075840

• 18039075840 squared (18039075840²) is 325408257161271705600
• 18039075840 cubed (18039075840³) is 5870064229894403408164552704000
• The square root of 18039075840 is 134309.6267584717
• The cube root of 18039075840 is 2622.6364619075

Scales and comparisons

• 18,039,075,840 seconds is equal to 573 years, 30 weeks, 3 days, 14 hours, 24 minutes.
• To count from 1 to 18,039,075,840 would take you about one thousand, one hundred forty-seven 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 18039075840 cubic inches would be around 218.6 feet tall.

Recreational maths with 18039075840

• 18039075840 backwards is 04857093081
• 18039075840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18039075840's digits is 45
• More coming soon!