18140465920

Names of 18140465920

• Cardinal: 18140465920 can be written as Eighteen billion, one hundred forty million, four hundred sixty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.814046592 × 10¹⁰

Factors of 18140465920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 293

Divisors of 18140465920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 47 62 64 71 80 94 124 128 137 142 155 160 188 235 248 256 274 284 310 320 355 376 470 496 548 568 620 640 685 710 752 940 992 1096 1136 1240 1280 1370 1420 1457 1504 1880 1984 2192 2201 2272 2480 2740 2840 2914 3008 3337 3760 3968 4247 4384 4402 4544 4960 5480 5680 5828 6016 6439 6674 7285 7520 7936 8494 8768 8804 9088 9727 9920 10960 11005 11360 11656 12032 12878 13348 14570 15040 16685 16988 17536 17608 18176 19454 19840 21235 21920 22010 22720 23312 25756 26696 29140 30080 32195 33370 33976 35072 35216 38908 39680 42470 43840 44020 45440 46624 48635 51512 53392 58280 60160 64390 66740 67952 70432 77816 84940 87680 88040 90880 93248 97270 103024 103447 106784 116560 128780 133480 135904 140864 155632 169880 175360 176080 186496 194540 199609 206048 206894 213568 233120 257560 266960 271808 281728 301537 311264 339760 352160 372992 389080 399218 412096 413788 427136 457169 466240 515120 517235 533920 543616 563456 603074 622528 679520 704320 778160 798436 824192 827576 854272 914338 932480 998045 1030240 1034470 1067840 1087232 1206148 1245056 1359040 1408640 1507685 1556320 1596872 1648384 1655152 1828676 1864960 1996090 2060480 2068940 2135680 2285845 2412296 2490112 2718080 2817280 3015370 3112640 3193744 3310304 3657352 3992180 4120960 4137880 4271360 4571690 4824592 5436160 6030740 6225280 6387488 6620608 7314704 7984360 8241920 8275760 9143380 9649184 12061480 12450560 12774976 13241216 14172239 14629408 15968720 16551520 18286760 19298368 24122960 25549952 26482432 28344478 29258816 31937440 33103040 36573520 38596736 48245920 51099904 56688956 58517632 63874880 66206080 70861195 73147040 77193472 96491840 113377912 117035264 127749760 132412160 141722390 146294080 192983680 226755824 255499520 283444780 292588160 385967360 453511648 566889560 585176320 907023296 1133779120 1814046592 2267558240 3628093184 4535116480 9070232960 18140465920
• Sum of all divisors σ(n): 46792359936
• Sum of proper divisors (its aliquot sum) s(n): 28651894016
• 18140465920 is an abundant number, because the sum of its proper divisors (28651894016) is greater than itself. Its abundance is 10511428096

Bases of 18140465920

• Binary: 10000111001010000011000101100000000₂
• Hexadecimal: 0x439418B00
• Base-36: 8C0D534

Squares and roots of 18140465920

• 18140465920 squared (18140465920²) is 329076503794681446400
• 18140465920 cubed (18140465920³) is 5969601102160169455675506688000
• The square root of 18140465920 is 134686.5469154213
• The cube root of 18140465920 is 2627.5408647085

Scales and comparisons

• 18,140,465,920 seconds is equal to 576 years, 42 weeks, 1 day, 2 hours, 18 minutes, 40 seconds.
• To count from 1 to 18,140,465,920 would take you about one thousand, one hundred fifty-three 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 18140465920 cubic inches would be around 219 feet tall.

Recreational maths with 18140465920

• 18140465920 backwards is 02956404181
• 18140465920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18140465920's digits is 40
• More coming soon!