1381330665

Names of 1381330665

• Cardinal: 1381330665 can be written as One billion, three hundred eighty-one million, three hundred thirty thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 1.381330665 × 10⁹

Factors of 1381330665

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 133

Divisors of 1381330665

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 5 9 11 13 15 17 23 27 33 39 45 51 55 61 65 69 81 85 99 115 117 135 143 153 165 183 187 195 207 221 253 255 297 299 305 345 351 391 405 429 459 495 549 561 585 621 663 671 715 759 765 793 891 897 915 935 1035 1037 1053 1105 1173 1265 1287 1377 1403 1485 1495 1647 1683 1755 1863 1955 1989 2013 2145 2277 2295 2379 2431 2691 2745 2805 3105 3111 3289 3315 3355 3519 3795 3861 3965 4209 4301 4455 4485 4941 5049 5083 5185 5265 5865 5967 6039 6435 6831 6885 7015 7137 7293 8073 8235 8415 8723 9315 9333 9867 9945 10065 10557 11385 11407 11583 11895 12155 12627 12903 13455 13481 15147 15249 15433 15555 16445 17595 17901 18117 18239 19305 20493 21045 21411 21505 21879 23851 24219 24705 25245 25415 26169 27999 29601 29835 30195 31671 34155 34221 35685 36465 37881 38709 40365 40443 43615 45747 46299 46665 49335 52785 54351 54717 55913 57035 57915 63135 64233 64515 65637 67405 71553 75735 76245 77165 78507 83997 88803 89505 90585 91195 102465 102663 107055 109395 113643 116127 119255 121095 121329 130845 137241 138897 139995 148005 148291 158355 164151 167739 171105 189405 193545 196911 200629 202215 214659 228735 231495 235521 262361 266409 271755 273585 279565 307989 310063 321165 328185 348381 357765 363987 392535 411723 416691 419985 444015 444873 492453 503217 513315 568215 580635 601887 606645 643977 686205 694485 706563 741455 787083 820755 838695 923967 930189 984555 1003145 1073295 1091961 1177605 1250073 1311805 1332045 1334619 1477359 1509651 1539945 1550315 1741905 1805661 1819935 1931931 2058615 2083455 2224365 2361249 2462265 2516085 2790567 3009435 3219885 3410693 3532815 3935415 4003857 4528953 4619835 4650945 5416983 5459805 6250365 6673095 7083747 7386795 7548255 8371701 9028305 9659655 10232079 11806245 12011571 13952835 16250949 17053465 20019285 21251241 22644765 25115103 27084915 30696237 35418735 41858505 51160395 60057855 81254745 92088711 106256205 125575515 153481185 276266133 460443555 1381330665
• Sum of all divisors σ(n): 3266790912
• Sum of proper divisors (its aliquot sum) s(n): 1885460247
• 1381330665 is an abundant number, because the sum of its proper divisors (1885460247) is greater than itself. Its abundance is 504129582

Bases of 1381330665

• Binary: 1010010010101010110111011101001₂
• Hexadecimal: 0x52556EE9
• Base-36: MUEPK9

Squares and roots of 1381330665

• 1381330665 squared (1381330665²) is 1908074406069342225
• 1381330665 cubed (1381330665³) is 2635681688205244531771829625
• The square root of 1381330665 is 37166.2570754711
• The cube root of 1381330665 is 1113.6940114017

Scales and comparisons

• 1,381,330,665 seconds is equal to 43 years, 47 weeks, 6 days, 14 hours, 57 minutes, 45 seconds.
• To count from 1 to 1,381,330,665 would take you about 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 1381330665 cubic inches would be around 92.8 feet tall.

Recreational maths with 1381330665

• 1381330665 backwards is 5660331831
• The number of decimal digits it has is: 10
• The sum of 1381330665's digits is 36
• More coming soon!