18291102368

Names of 18291102368

• Cardinal: 18291102368 can be written as Eighteen billion, two hundred ninety-one million, one hundred two thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8291102368 × 10¹⁰

Factors of 18291102368

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 939

Divisors of 18291102368

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 41 44 56 77 82 88 112 154 164 176 224 287 308 328 331 352 451 547 574 616 656 662 902 1094 1148 1232 1312 1324 1804 2188 2296 2317 2464 2648 3157 3608 3641 3829 4376 4592 4634 5296 6017 6314 7216 7282 7658 8752 9184 9268 10592 12034 12628 13571 14432 14564 15316 17504 18536 22427 24068 25256 25487 27142 29128 30632 37072 42119 44854 48136 50512 50974 54284 58256 61264 74144 84238 89708 94997 96272 101024 101948 108568 116512 122528 149281 156989 168476 179416 181057 189994 192544 203896 217136 246697 298562 313978 336952 358832 362114 379988 407792 434272 493394 597124 627956 673904 717664 724228 759976 815584 986788 1044967 1194248 1255912 1267399 1347808 1448456 1519952 1726879 1973576 1991627 2089934 2388496 2511824 2534798 2896912 3039904 3453758 3947152 3983254 4179868 4776992 5023648 5069596 5793824 6907516 7423337 7894304 7966508 8359736 10139192 13815032 13941389 14846674 15933016 16719472 20278384 27630064 27882778 29693348 31866032 33438944 40556768 51963359 55260128 55765556 59386696 63732064 81656707 103926718 111531112 118773392 163313414 207853436 223062224 237546784 326626828 415706872 446124448 571596949 653253656 831413744 1143193898 1306507312 1662827488 2286387796 2613014624 4572775592 9145551184 18291102368
• Sum of all divisors σ(n): 46214654976
• Sum of proper divisors (its aliquot sum) s(n): 27923552608
• 18291102368 is an abundant number, because the sum of its proper divisors (27923552608) is greater than itself. Its abundance is 9632450240

Bases of 18291102368

• Binary: 10001000010001111000001001010100000₂
• Hexadecimal: 0x4423C12A0
• Base-36: 8EI1SWW

Squares and roots of 18291102368

• 18291102368 squared (18291102368²) is 334564425836655207424
• 18291102368 cubed (18291102368³) is 6119552161669404445712657580032
• The square root of 18291102368 is 135244.6019920943
• The cube root of 18291102368 is 2634.7937633105

Scales and comparisons

• 18,291,102,368 seconds is equal to 581 years, 31 weeks, 1 day, 13 hours, 46 minutes, 8 seconds.
• To count from 1 to 18,291,102,368 would take you about one thousand, one hundred sixty-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 18291102368 cubic inches would be around 219.6 feet tall.

Recreational maths with 18291102368

• 18291102368 backwards is 86320119281
• 18291102368 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18291102368's digits is 41
• More coming soon!