18089102640

Names of 18089102640

• Cardinal: 18089102640 can be written as Eighteen billion, eighty-nine million, one hundred two thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.808910264 × 10¹⁰

Factors of 18089102640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 136

Divisors of 18089102640

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 29 30 31 35 40 42 48 49 56 58 59 60 62 70 80 84 87 93 98 105 112 116 118 120 124 140 145 147 155 168 174 177 186 196 203 210 217 232 236 240 245 248 280 290 294 295 310 336 348 354 372 392 406 413 420 434 435 464 465 472 490 496 560 580 588 590 609 620 651 696 708 735 744 784 812 826 840 841 868 870 885 899 930 944 980 1015 1085 1160 1176 1180 1218 1239 1240 1302 1392 1416 1421 1470 1488 1519 1624 1652 1680 1682 1711 1736 1740 1770 1798 1829 1860 1960 2030 2065 2170 2320 2352 2360 2436 2478 2480 2523 2604 2697 2832 2842 2891 2940 3038 3045 3248 3255 3304 3364 3422 3472 3480 3540 3596 3658 3720 3920 4060 4130 4205 4263 4340 4495 4557 4720 4872 4956 5046 5133 5208 5394 5487 5684 5782 5880 5887 6076 6090 6195 6293 6510 6608 6728 6844 6960 7080 7105 7192 7316 7440 7595 8120 8260 8410 8526 8555 8673 8680 8990 9114 9145 9744 9912 10092 10266 10416 10788 10974 11368 11564 11760 11774 11977 12152 12180 12390 12586 12615 12803 13020 13456 13485 13688 14160 14210 14384 14455 14632 15190 16240 16520 16820 17052 17110 17346 17360 17661 17980 18228 18290 18879 19824 20184 20532 21315 21576 21948 22736 22785 23128 23548 23954 24304 24360 24780 25172 25230 25606 25665 26040 26071 26970 27376 27435 28420 28910 29264 29435 30380 31465 33040 33640 34104 34220 34692 35322 35931 35960 36456 36580 37758 38409 40368 41064 41209 42630 43152 43365 43896 44051 45570 46256 47096 47908 48720 49560 49619 50344 50460 51212 51330 52080 52142 53041 53940 54870 56840 57820 58870 59885 60760 62930 64015 67280 68208 68440 69384 70644 71862 71920 72912 73160 75516 76818 78213 82128 82418 83839 85260 86730 87792 88102 88305 89621 91140 94192 94395 95816 99120 99238 100688 100920 102424 102660 104284 106082 107880 109740 113680 115640 117740 119770 121520 123627 125860 128030 130355 132153 136880 138768 141288 143724 146320 148857 151032 153636 156426 159123 164836 167678 170520 173460 176204 176610 179242 179655 182280 182497 188790 191632 192045 198476 201840 204848 205320 206045 208568 212164 215760 219480 220255 231280 235480 239540 247254 248095 251517 251720 256060 260710 264306 265205 268863 282576 287448 297714 302064 307272 312852 318246 329672 335356 341040 346920 347333 352408 353220 358484 359310 364560 364994 371287 377580 384090 391065 396952 410640 412090 417136 419195 424328 438960 440510 448105 470960 479080 494508 496190 503034 503440 512120 521420 528612 530410 537726 547491 574896 595428 614544 618135 625704 636492 659344 660765 670712 693840 694666 704816 706440 716968 718620 729988 742574 744285 755160 768180 782130 793904 795615 824180 838390 848656 881020 896210 912485 958160 989016 992380 1006068 1024240 1041999 1042840 1057224 1060820 1075452 1094982 1113861 1190856 1236270 1251408 1257585 1272984 1277479 1321530 1341424 1344315 1389332 1412880 1433936 1437240 1459976 1485148 1488570 1510320 1536360 1538189 1564260 1591230 1648360 1676780 1736665 1762040 1792420 1824970 1856435 1978032 1984760 2012136 2083998 2085680 2114448 2121640 2150904 2189964 2227722 2381712 2431331 2472540 2515170 2545968 2554958 2599009 2643060 2688630 2737455 2778664 2874480 2919952 2970296 2977140 3072720 3076378 3128520 3182460 3296720 3353560 3473330 3524080 3584840 3649940 3712870 3832437 3969520 4024272 4167996 4243280 4301808 4379928 4455444 4614567 4862662 4945080 5030340 5109916 5198018 5209995 5286120 5377260 5474910 5557328 5569305 5940592 5954280 6152756 6257040 6364920 6387395 6707120 6946660 7169680 7293993 7299880 7425740 7664874 7690945 7797027 8335992 8759856 8910888 9229134 9725324 9890160 10060680 10219832 10396036 10419990 10572240 10754520 10767323 10949820 11138610 11908560 12156655 12305512 12729840 12774790 12995045 13893320 14587986 14599760 14851480 15329748 15381890 15594054 16671984 17821776 18458268 19162185 19450648 20121360 20439664 20792072 20839980 21509040 21534646 21899640 22277220 23072835 24313310 24611024 25549580 25990090 27786640 29175972 29702960 30659496 30763780 31188108 32301969 36469965 36916536 38324370 38901296 38985135 41584144 41679960 43069292 43799280 44554440 46145670 48626620 51099160 51980180 53836615 58351944 61318992 61527560 62376216 64603938 72939930 73833072 75371261 76648740 77970270 83359920 86138584 89108880 92291340 97253240 102198320 103960360 107673230 116703888 123055120 124752432 129207876 145879860 150742522 153297480 155940540 161509845 172277168 184582680 194506480 207920720 215346460 226113783 258415752 291759720 301485044 306594960 311881080 323019690 369165360 376856305 430692920 452227566 516831504 583519440 602970088 623762160 646039380 753712610 861385840 904455132 1130568915 1205940176 1292078760 1507425220 1808910264 2261137830 2584157520 3014850440 3617820528 4522275660 6029700880 9044551320 18089102640
• Sum of all divisors σ(n): 70919746560
• Sum of proper divisors (its aliquot sum) s(n): 52830643920
• 18089102640 is an abundant number, because the sum of its proper divisors (52830643920) is greater than itself. Its abundance is 34741541280

Bases of 18089102640

• Binary: 10000110110001100011100110100110000₂
• Hexadecimal: 0x43631CD30
• Base-36: 8B5S8XC

Squares and roots of 18089102640

• 18089102640 squared (18089102640²) is 327215634320454969600
• 18089102640 cubed (18089102640³) is 5919037194635416596592479744000
• The square root of 18089102640 is 134495.7346535569
• The cube root of 18089102640 is 2625.0586298015

Scales and comparisons

• 18,089,102,640 seconds is equal to 575 years, 9 weeks, 1 day, 14 hours, 44 minutes.
• To count from 1 to 18,089,102,640 would take you about one thousand, one hundred fifty 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 18089102640 cubic inches would be around 218.8 feet tall.

Recreational maths with 18089102640

• 18089102640 backwards is 04620198081
• The number of decimal digits it has is: 11
• The sum of 18089102640's digits is 39
• More coming soon!