19985140040

Names of 19985140040

• Cardinal: 19985140040 can be written as Nineteen billion, nine hundred eighty-five million, one hundred forty thousand and forty.

Scientific notation

• Scientific notation: 1.998514004 × 10¹⁰

Factors of 19985140040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 391

Divisors of 19985140040

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 20 29 37 40 41 58 74 82 116 145 148 164 185 205 232 277 290 296 328 370 410 554 580 740 820 1073 1108 1160 1189 1385 1480 1517 1640 1681 2146 2216 2378 2770 3034 3362 4292 4756 5365 5540 5945 6068 6724 7585 8033 8405 8584 9512 10249 10730 11080 11357 11890 12136 13448 15170 16066 16810 20498 21460 22714 23780 30340 32132 33620 40165 40996 42920 43993 45428 47560 48749 51245 56785 60680 62197 64264 67240 80330 81992 87986 90856 97498 102490 113570 124394 160660 175972 194996 204980 219965 227140 243745 248788 297221 310985 321320 329353 351944 389992 409960 420209 439930 454280 465637 487490 497576 594442 621970 658706 840418 879860 931274 974980 1188884 1243940 1317412 1486105 1646765 1680836 1759720 1803713 1862548 1949960 2101045 2328185 2377768 2487880 2634824 2972210 3293530 3361672 3607426 3725096 4202090 4656370 5944420 6587060 7214852 8404180 9018565 9312740 11888840 12186061 13174120 13503473 14429704 16808360 17228569 18037130 18625480 24372122 27006946 34457138 36074260 48744244 54013892 60930305 67517365 68914276 72148520 86142845 97488488 108027784 121860610 135034730 137828552 172285690 243721220 270069460 344571380 487442440 499628501 540138920 689142760 999257002 1998514004 2498142505 3997028008 4996285010 9992570020 19985140040
• Sum of all divisors σ(n): 49144784400
• Sum of proper divisors (its aliquot sum) s(n): 29159644360
• 19985140040 is an abundant number, because the sum of its proper divisors (29159644360) is greater than itself. Its abundance is 9174504320

Bases of 19985140040

• Binary: 10010100111001101010000100101001000₂
• Hexadecimal: 0x4A7350948
• Base-36: 96IMWQW

Squares and roots of 19985140040

• 19985140040 squared (19985140040²) is 399405822418411201600
• 19985140040 cubed (19985140040³) is 7982181293823319338280672064000
• The square root of 19985140040 is 141368.8085823743
• The cube root of 19985140040 is 2713.7451810747

Scales and comparisons

• 19,985,140,040 seconds is equal to 635 years, 24 weeks, 1 day, 11 hours, 47 minutes, 20 seconds.
• To count from 1 to 19,985,140,040 would take you about one thousand, two hundred seventy 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 19985140040 cubic inches would be around 226.1 feet tall.

Recreational maths with 19985140040

• 19985140040 backwards is 04004158991
• 19985140040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19985140040's digits is 41
• More coming soon!