12381843920

Names of 12381843920

• Cardinal: 12381843920 can be written as Twelve billion, three hundred eighty-one million, eight hundred forty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.238184392 × 10¹⁰

Factors of 12381843920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 191

Divisors of 12381843920

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 23 31 34 40 46 62 68 80 85 92 113 115 124 136 155 170 184 226 230 248 272 310 340 368 391 452 460 496 527 565 620 680 713 782 904 920 1054 1130 1240 1360 1426 1564 1808 1840 1921 1955 2108 2260 2480 2599 2635 2852 3128 3503 3565 3842 3910 4216 4520 5198 5270 5704 6256 7006 7130 7684 7820 8432 9040 9605 10396 10540 11408 12121 12769 12995 14012 14260 15368 15640 17515 19210 20792 21080 24242 25538 25990 28024 28520 30736 31280 35030 38420 41584 42160 44183 48484 51076 51980 56048 57040 59551 60605 63845 70060 76840 80569 88366 96968 102152 103960 119102 121210 127690 140120 153680 161138 176732 193936 204304 207920 217073 220915 238204 242420 255380 280240 293687 297755 322276 353464 395839 402845 434146 441830 476408 484840 510760 587374 595510 644552 706928 791678 805690 868292 883660 952816 969680 1021520 1085365 1174748 1191020 1289104 1369673 1468435 1583356 1611380 1736584 1767320 1979195 2170730 2349496 2382040 2739346 2936870 3166712 3222760 3473168 3534640 3958390 4341460 4698992 4764080 4992679 5478692 5873740 6333424 6445520 6729263 6848365 7916780 8682920 9104297 9985358 10957384 11747480 13458526 13696730 15833560 17365840 18208594 19970716 21914768 23494960 24963395 26917052 27393460 31667120 33646315 36417188 39941432 45521485 49926790 53834104 54786920 67292630 72834376 79882864 91042970 99853580 107668208 109573840 134585260 145668752 154773049 182085940 199707160 269170520 309546098 364171880 399414320 538341040 619092196 728343760 773865245 1238184392 1547730490 2476368784 3095460980 6190921960 12381843920
• Sum of all divisors σ(n): 33125594112
• Sum of proper divisors (its aliquot sum) s(n): 20743750192
• 12381843920 is an abundant number, because the sum of its proper divisors (20743750192) is greater than itself. Its abundance is 8361906272

Bases of 12381843920

• Binary: 1011100010000000111111000111010000₂
• Hexadecimal: 0x2E203F1D0
• Base-36: 5ORTVWW

Squares and roots of 12381843920

• 12381843920 squared (12381843920²) is 153310058859240966400
• 12381843920 cubed (12381843920³) is 1898261220161134895634764288000
• The square root of 12381843920 is 111273.7341873633
• The cube root of 12381843920 is 2313.4588289563

Scales and comparisons

• 12,381,843,920 seconds is equal to 393 years, 36 weeks, 4 days, 9 hours, 5 minutes, 20 seconds.
• To count from 1 to 12,381,843,920 would take you about seven hundred eighty-seven 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 12381843920 cubic inches would be around 192.8 feet tall.

Recreational maths with 12381843920

• 12381843920 backwards is 02934818321
• The number of decimal digits it has is: 11
• The sum of 12381843920's digits is 41
• More coming soon!