18735201940

Names of 18735201940

• Cardinal: 18735201940 can be written as Eighteen billion, seven hundred thirty-five million, two hundred one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.873520194 × 10¹⁰

Factors of 18735201940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 11103

Divisors of 18735201940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 13 14 19 20 26 28 35 38 49 52 65 70 76 91 95 98 130 133 140 182 190 196 245 247 260 266 343 364 380 455 490 494 532 637 665 686 910 931 980 988 1235 1274 1330 1372 1715 1729 1820 1862 2470 2548 2660 3185 3430 3458 3724 4459 4655 4940 6370 6517 6860 6916 8645 8918 9310 11057 12103 12740 13034 17290 17836 18620 22114 22295 24206 26068 32585 34580 44228 44590 48412 55285 60515 65170 77399 84721 89180 110570 121030 130340 143741 154798 169442 210083 221140 242060 287482 309596 338884 386995 420166 423605 541793 574964 718705 773990 840332 847210 1006187 1050415 1083586 1437410 1470581 1547980 1694420 2012374 2100830 2167172 2708965 2731079 2874820 2941162 3792551 4024748 4201660 5030935 5417930 5462158 5882324 7043309 7352905 7585102 10061870 10294067 10835860 10924316 13655395 14086618 14705810 15170204 18962755 19117553 20123740 20588134 27310790 28173236 29411620 35216545 37925510 38235106 41176268 49303163 51470335 54621580 70433090 72058469 75851020 76470212 95587765 98606326 102940670 133822871 140866180 144116938 191175530 197212652 205881340 246515815 267645742 288233876 360292345 382351060 493031630 535291484 669114355 720584690 936760097 986063260 1338228710 1441169380 1873520194 2676457420 3747040388 4683800485 9367600970 18735201940
• Sum of all divisors σ(n): 52016832000
• Sum of proper divisors (its aliquot sum) s(n): 33281630060
• 18735201940 is an abundant number, because the sum of its proper divisors (33281630060) is greater than itself. Its abundance is 14546428120

Bases of 18735201940

• Binary: 10001011100101101000111111010010100₂
• Hexadecimal: 0x45CB47E94
• Base-36: 8LUGEC4

Squares and roots of 18735201940

• 18735201940 squared (18735201940²) is 351007791732579763600
• 18735201940 cubed (18735201940³) is 6576201860623344348203461384000
• The square root of 18735201940 is 136876.5938354691
• The cube root of 18735201940 is 2655.9473374439

Scales and comparisons

• 18,735,201,940 seconds is equal to 595 years, 37 weeks, 3 days, 14 hours, 45 minutes, 40 seconds.
• To count from 1 to 18,735,201,940 would take you about one thousand, one hundred ninety-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 18735201940 cubic inches would be around 221.3 feet tall.

Recreational maths with 18735201940

• 18735201940 backwards is 04910253781
• The number of decimal digits it has is: 11
• The sum of 18735201940's digits is 40
• More coming soon!