18103088640

Names of 18103088640

• Cardinal: 18103088640 can be written as Eighteen billion, one hundred three million, eighty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.810308864 × 10¹⁰

Factors of 18103088640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 25933

Divisors of 18103088640

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 52 56 60 64 65 70 78 80 84 91 96 104 105 112 120 128 130 140 156 160 168 182 192 195 208 210 224 240 256 260 273 280 312 320 336 364 384 390 416 420 448 455 480 512 520 546 560 624 640 672 728 768 780 832 840 896 910 960 1040 1092 1120 1248 1280 1344 1365 1456 1536 1560 1664 1680 1792 1820 1920 2080 2184 2240 2496 2560 2688 2730 2912 3120 3328 3360 3584 3640 3840 4160 4368 4480 4992 5376 5460 5824 6240 6656 6720 7280 7680 8320 8736 8960 9984 10752 10920 11648 12480 13440 14560 16640 17472 17920 19968 21840 23296 24960 25903 26880 29120 33280 34944 43680 46592 49920 51806 53760 58240 69888 77709 87360 99840 103612 116480 129515 139776 155418 174720 181321 207224 232960 259030 310836 336739 349440 362642 388545 414448 518060 543963 621672 673478 698880 725284 777090 828896 906605 1010217 1036120 1087926 1243344 1346956 1450568 1554180 1657792 1683695 1813210 2020434 2072240 2175852 2357173 2486688 2693912 2719815 2901136 3108360 3315584 3367390 3626420 4040868 4144480 4351704 4714346 4973376 5051085 5387824 5439630 5802272 6216720 6631168 6734780 7071519 7252840 8081736 8288960 8703408 9428692 9946752 10102170 10775648 10879260 11604544 11785865 12433440 13262336 13469560 14143038 14505680 16163472 16577920 17406816 18857384 19893504 20204340 21551296 21758520 23209088 23571730 24866880 26939120 28286076 29011360 32326944 33155840 34813632 35357595 37714768 39787008 40408680 43102592 43517040 46418176 47143460 49733760 53878240 56572152 58022720 64653888 66311680 69627264 70715190 75429536 80817360 86205184 87034080 92836352 94286920 99467520 107756480 113144304 116045440 129307776 139254528 141430380 150859072 161634720 172410368 174068160 188573840 198935040 215512960 226288608 232090880 258615552 278509056 282860760 301718144 323269440 348136320 377147680 431025920 452577216 464181760 517231104 565721520 603436288 646538880 696272640 754295360 862051840 905154432 1131443040 1206872576 1293077760 1392545280 1508590720 1810308864 2262886080 2586155520 3017181440 3620617728 4525772160 6034362880 9051544320 18103088640
• Sum of all divisors σ(n): 71231440896
• Sum of proper divisors (its aliquot sum) s(n): 53128352256
• 18103088640 is an abundant number, because the sum of its proper divisors (53128352256) is greater than itself. Its abundance is 35025263616

Bases of 18103088640

• Binary: 10000110111000001110011011000000000₂
• Hexadecimal: 0x437073600
• Base-36: 8BE40LC

Squares and roots of 18103088640

• 18103088640 squared (18103088640²) is 327721818307697049600
• 18103088640 cubed (18103088640³) is 5932777126086214483175276544000
• The square root of 18103088640 is 134547.7188212421
• The cube root of 18103088640 is 2625.7349967223

Scales and comparisons

• 18,103,088,640 seconds is equal to 575 years, 32 weeks, 2 days, 11 hours, 44 minutes.
• To count from 1 to 18,103,088,640 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 18103088640 cubic inches would be around 218.8 feet tall.

Recreational maths with 18103088640

• 18103088640 backwards is 04688030181
• 18103088640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18103088640's digits is 39
• More coming soon!