18108268080

Names of 18108268080

• Cardinal: 18108268080 can be written as Eighteen billion, one hundred eight million, two hundred sixty-eight thousand and eighty.

Scientific notation

• Scientific notation: 1.810826808 × 10¹⁰

Factors of 18108268080

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 359

Divisors of 18108268080

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 28 30 31 34 35 40 42 48 51 56 60 62 68 70 80 84 85 93 102 105 112 113 119 120 124 136 140 155 168 170 181 186 204 210 217 226 238 240 248 255 272 280 310 336 339 340 357 362 372 408 420 434 452 465 476 496 510 527 543 560 565 595 620 651 678 680 714 724 744 791 816 840 868 904 905 930 952 1020 1054 1085 1086 1130 1190 1240 1267 1302 1356 1360 1428 1448 1488 1581 1582 1680 1695 1736 1785 1808 1810 1860 1904 1921 2040 2108 2170 2172 2260 2373 2380 2480 2534 2604 2635 2712 2715 2856 2896 3077 3162 3164 3255 3390 3472 3503 3570 3620 3689 3720 3801 3842 3955 4080 4216 4340 4344 4520 4746 4760 5068 5208 5270 5424 5430 5611 5712 5763 6154 6324 6328 6335 6510 6780 7006 7140 7240 7378 7440 7602 7684 7905 7910 8432 8680 8688 9040 9231 9492 9520 9605 10136 10416 10509 10540 10860 11067 11222 11526 11865 12308 12648 12656 12670 13020 13447 13560 14012 14280 14480 14756 15204 15368 15385 15810 15820 16833 17360 17515 18445 18462 18984 19005 19210 20272 20453 21018 21080 21539 21720 22134 22444 23052 23730 24521 24616 25296 25340 26040 26894 27120 28024 28055 28560 28815 29512 30408 30736 30770 31620 31640 33666 35030 36890 36924 37968 38010 38420 39277 40341 40906 42036 42160 43078 43440 44268 44888 46104 46155 47460 49042 49232 50680 52080 52545 53788 55335 56048 56110 57630 59024 59551 60816 61359 61540 63240 63280 64617 67235 67332 70060 73563 73780 73848 76020 76840 78554 80682 81812 84072 84165 86156 88536 89776 92208 92310 94920 95387 98084 101360 102265 105090 107576 107695 110670 112220 115260 117831 119102 122605 122718 123080 126480 129234 134470 134664 140120 143171 147126 147560 147696 152040 153680 157108 161364 163624 168144 168330 172312 177072 178653 184620 189840 190774 196168 196385 201705 204530 210180 215152 215390 221340 224440 230520 235662 238204 245210 245436 246160 258468 268940 269328 280240 286161 286342 294252 295120 297755 304080 306795 314216 322728 323085 327248 336660 344624 347701 357306 367815 369240 381548 392336 392770 403410 409060 416857 420360 429513 430780 442680 448880 461040 471324 476408 476935 490420 490872 516936 537880 572322 572684 588504 589155 595510 613590 628432 634043 645456 646170 667709 673320 695402 714612 715855 735630 738480 763096 785540 806820 818120 833714 840720 859026 861560 885360 893265 942648 952816 953870 980840 981744 1033872 1043103 1075760 1144644 1145368 1177008 1178310 1191020 1227180 1250571 1268086 1292340 1335418 1346640 1390804 1429224 1430805 1431710 1471260 1526192 1571080 1613640 1636240 1667428 1718052 1723120 1738505 1786530 1885296 1902129 1907740 1961680 2003127 2084285 2086206 2147565 2289288 2290736 2356620 2382040 2433907 2454360 2501142 2536172 2584680 2670836 2781608 2858448 2861610 2863420 2942520 3142160 3170215 3227280 3334856 3338545 3436104 3477010 3573060 3804258 3815480 4006254 4168570 4172412 4295130 4438301 4578576 4713240 4764080 4867814 4908720 5002284 5072344 5169360 5215515 5341672 5563216 5723220 5726840 5885040 6252855 6340430 6669712 6677090 6872208 6954020 7146120 7301721 7608516 7630960 8012508 8337140 8344824 8590260 8876602 9426480 9510645 9735628 10004568 10015635 10144688 10431030 10683344 10778731 11446440 11453680 12169535 12505710 12680860 13314903 13354180 13908040 14292240 14603442 15217032 16025016 16674280 16689648 17180520 17753204 19021290 19471256 20009136 20031270 20862060 21557462 22191505 22892880 24339070 25011420 25361720 26629806 26708360 27816080 29206884 30434064 32050032 32336193 33348560 34361040 35506408 36508605 38042580 38942512 40062540 41724120 43114924 44383010 48678140 50022840 50723440 53259612 53416720 53893655 58413768 64672386 66574515 71012816 73017210 75451117 76085160 80125080 83448240 86229848 88766020 97356280 100045680 106519224 107787310 116827536 129344772 133149030 146034420 150902234 152170320 160250160 161680965 172459696 177532040 194712560 213038448 215574620 226353351 258689544 266298060 292068840 301804468 323361930 355064080 377255585 431149240 452706702 517379088 532596120 584137680 603608936 646723860 754511170 862298480 905413404 1065192240 1131766755 1207217872 1293447720 1509022340 1810826808 2263533510 2586895440 3018044680 3621653616 4527067020 6036089360 9054134040 18108268080
• Sum of all divisors σ(n): 71131447296
• Sum of proper divisors (its aliquot sum) s(n): 53023179216
• 18108268080 is an abundant number, because the sum of its proper divisors (53023179216) is greater than itself. Its abundance is 34914911136

Bases of 18108268080

• Binary: 10000110111010101100011111000110000₂
• Hexadecimal: 0x437563E30
• Base-36: 8BH712O

Squares and roots of 18108268080

• 18108268080 squared (18108268080²) is 327909372857146886400
• 18108268080 cubed (18108268080³) is 5937870829641891362868506112000
• The square root of 18108268080 is 134566.9650397155
• The cube root of 18108268080 is 2625.9853875135

Scales and comparisons

• 18,108,268,080 seconds is equal to 575 years, 40 weeks, 6 days, 10 hours, 28 minutes.
• To count from 1 to 18,108,268,080 would take you about one thousand, one hundred fifty-one 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 18108268080 cubic inches would be around 218.8 feet tall.

Recreational maths with 18108268080

• 18108268080 backwards is 08086280181
• 18108268080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18108268080's digits is 42
• More coming soon!