18039492240

Names of 18039492240

• Cardinal: 18039492240 can be written as Eighteen billion, thirty-nine million, four hundred ninety-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.803949224 × 10¹⁰

Factors of 18039492240

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 749

Divisors of 18039492240

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 19 20 21 22 24 28 30 33 35 38 40 42 44 48 55 56 57 60 66 70 76 77 80 83 84 88 95 105 110 112 114 120 132 133 140 152 154 165 166 168 176 190 209 210 220 228 231 240 249 264 266 280 285 304 308 330 332 336 380 385 399 415 418 420 440 456 462 498 528 532 560 570 581 616 619 627 660 664 665 760 770 798 830 836 840 880 912 913 924 996 1045 1064 1140 1155 1162 1232 1238 1245 1254 1320 1328 1330 1463 1520 1540 1577 1596 1660 1672 1680 1743 1826 1848 1857 1992 1995 2090 2128 2280 2310 2324 2476 2490 2508 2640 2660 2739 2905 2926 3080 3095 3135 3154 3192 3320 3344 3486 3652 3696 3714 3984 3990 4180 4333 4389 4560 4565 4620 4648 4731 4952 4980 5016 5320 5478 5810 5852 6160 6190 6270 6308 6384 6391 6640 6809 6972 7304 7315 7428 7885 7980 8360 8666 8715 8778 9130 9240 9285 9296 9462 9904 9960 10032 10640 10956 11039 11620 11704 11761 12380 12540 12616 12782 12999 13618 13695 13944 14608 14630 14856 15770 15960 16720 17332 17347 17430 17556 18260 18480 18570 18924 19173 19920 20427 21665 21912 21945 22078 23240 23408 23522 23655 24760 25080 25232 25564 25998 27236 27390 27888 29260 29712 31540 31920 31955 33117 34045 34664 34694 34860 35112 35283 36520 37140 37848 38346 40854 43330 43824 43890 44156 46480 47044 47310 47663 49520 50160 51128 51377 51996 52041 54472 54780 55195 58520 58805 63080 63910 64995 66234 68090 69328 69388 69720 70224 70566 73040 74280 75696 76692 81708 82327 86660 86735 87780 88312 94088 94620 95326 95865 102135 102256 102754 103992 104082 108944 109560 110390 117040 117610 121429 126160 127820 129371 129990 132468 136180 138776 139440 141132 142989 148560 153384 154131 163416 164654 165585 173320 173470 175560 176415 176624 188176 189240 190652 191730 204270 205508 207984 208164 219120 220780 235220 238315 242858 246981 255640 256885 258742 259980 260205 264936 272360 277552 282264 285978 306768 308262 326832 329308 331170 346640 346940 351120 352830 359639 364287 378480 381304 383460 388113 408540 411016 411635 416328 441560 470440 476630 485716 493962 511280 513770 517484 519960 520410 529872 544720 564528 565147 571956 607145 616524 646855 658616 662340 693880 705660 714945 719278 728574 762608 766920 770655 776226 817080 822032 823270 832656 883120 905597 940880 953260 971432 976163 987924 1027540 1034968 1039920 1040820 1078917 1130294 1143912 1214290 1233048 1234905 1293710 1317232 1324680 1387760 1411320 1429890 1438556 1457148 1533840 1541310 1552452 1634160 1646540 1695441 1798195 1811194 1821435 1906520 1940565 1942864 1952326 1975848 2055080 2069936 2081640 2157834 2260588 2287824 2428580 2466096 2469810 2587420 2649360 2716791 2822640 2825735 2859780 2877112 2914296 2928489 3082620 3104904 3293080 3390882 3596390 3622388 3642870 3813040 3881130 3904652 3951696 3956029 4110160 4163280 4315668 4521176 4527985 4857160 4880815 4939620 5174840 5394585 5433582 5651470 5719560 5754224 5828592 5856978 6165240 6209808 6586160 6781764 6833141 7192780 7244776 7285740 7762260 7809304 7912058 8477205 8631336 9042352 9055970 9714320 9761630 9879240 10349680 10737793 10789170 10867164 11302940 11439120 11713956 11868087 12330480 13563528 13583955 13666282 14385560 14489552 14571480 14642445 15524520 15618608 15824116 16954410 17262672 18111940 19523260 19758480 19780145 20499423 21475586 21578340 21734328 22605880 23427912 23736174 27127056 27167910 27332564 28771120 29142960 29284890 31049040 31648232 32213379 33908820 34165705 36223880 39046520 39560290 40998846 42951172 43156680 43468656 45211760 46855824 47472348 53688965 54335820 54665128 58569780 59340435 63296464 64426758 67817640 68331410 72447760 75164551 78093040 79120580 81997692 85902344 86313360 94944696 102497115 107377930 108671640 109330256 117139560 118680870 128853516 135635280 136662820 150329102 158241160 161066895 163995384 171804688 189889392 204994230 214755860 217343280 225493653 234279120 237361740 257707032 273325640 300658204 316482320 322133790 327990768 375822755 409988460 429511720 450987306 474723480 515414064 546651280 601316408 644267580 751645510 819976920 859023440 901974612 949446960 1127468265 1202632816 1288535160 1503291020 1639953840 1803949224 2254936530 2577070320 3006582040 3607898448 4509873060 6013164080 9019746120 18039492240
• Sum of all divisors σ(n): 74395238400
• Sum of proper divisors (its aliquot sum) s(n): 56355746160
• 18039492240 is an abundant number, because the sum of its proper divisors (56355746160) is greater than itself. Its abundance is 38316253920

Bases of 18039492240

• Binary: 10000110011001111001100111010010000₂
• Hexadecimal: 0x4333CCE90
• Base-36: 8AC8XAO

Squares and roots of 18039492240

• 18039492240 squared (18039492240²) is 325423280277020217600
• 18039492240 cubed (18039492240³) is 5870470739272651265718311424000
• The square root of 18039492240 is 134311.1768990205
• The cube root of 18039492240 is 2622.6566413859

Scales and comparisons

• 18,039,492,240 seconds is equal to 573 years, 31 weeks, 1 day, 10 hours, 4 minutes.
• To count from 1 to 18,039,492,240 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 18039492240 cubic inches would be around 218.6 feet tall.

Recreational maths with 18039492240

• 18039492240 backwards is 04229493081
• 18039492240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18039492240's digits is 42
• More coming soon!