13811742945

Names of 13811742945

• Cardinal: 13811742945 can be written as Thirteen billion, eight hundred eleven million, seven hundred forty-two thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 1.3811742945 × 10¹⁰

Factors of 13811742945

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 227

Divisors of 13811742945

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 5 7 9 11 13 15 21 27 31 33 35 39 45 49 55 63 65 77 81 91 93 99 105 117 135 143 147 155 157 165 189 195 217 231 245 273 279 297 315 341 351 385 403 405 429 441 455 465 471 495 539 567 585 637 651 693 715 735 785 819 837 891 945 1001 1023 1053 1085 1099 1155 1209 1287 1323 1365 1395 1413 1485 1519 1617 1705 1727 1755 1911 1953 2015 2041 2079 2145 2205 2355 2387 2457 2511 2695 2821 2835 3003 3069 3185 3255 3297 3465 3627 3861 3969 4095 4185 4239 4433 4455 4557 4851 4867 5005 5115 5181 5265 5495 5733 5859 6045 6123 6237 6435 6615 7007 7065 7161 7371 7595 7693 8085 8463 8635 9009 9207 9555 9765 9891 10205 10395 10881 11583 11935 12089 12285 12555 12717 13299 13671 14105 14287 14553 14601 15015 15345 15543 16485 16709 17199 17577 18135 18369 19305 19747 19845 21021 21195 21483 22165 22451 22785 23079 24255 24335 25389 25905 27027 27621 28665 29295 29673 30615 31031 31185 32643 34069 35035 35805 36267 36855 38465 39897 41013 42315 42861 43659 43803 45045 46035 46629 49455 50127 51597 53537 54405 55107 57915 59241 60445 63063 63271 63585 64449 66495 67353 68355 69237 71435 72765 73005 76167 77715 81081 83545 84623 85995 87885 89019 91845 93093 98735 100009 102207 105105 107415 108801 112255 115395 119691 123039 126945 128583 131409 135135 138105 139887 148365 150381 155155 157157 160611 163215 165321 170345 177723 181335 189189 189813 193347 199485 202059 205065 207711 214305 217217 218295 219015 228501 233145 238483 250635 253869 257985 267685 275535 279279 296205 300027 306621 315315 316355 322245 326403 336765 346185 359073 374759 380835 385749 394227 405405 423115 442897 445095 451143 465465 471471 481833 500045 511035 533169 544005 567567 569439 598455 606177 615195 623133 642915 651651 657045 695981 699435 715449 751905 761607 785785 803055 826605 837837 888615 900081 919863 945945 949065 966735 979209 1010295 1038555 1086085 1100099 1124277 1142505 1157247 1192415 1269345 1328691 1353429 1396395 1414413 1445499 1500135 1533105 1599507 1632015 1708317 1795365 1818531 1873795 1928745 1954953 1971135 2087943 2146347 2214485 2255715 2284821 2357355 2409165 2513511 2623313 2665845 2700243 2759589 2837835 2847195 3030885 3100279 3115665 3258255 3300297 3372831 3479905 3577245 3808035 3986073 4189185 4243239 4336497 4500405 4599315 4871867 4896045 5124951 5500495 5621385 5786235 5864859 6263829 6439041 6643455 6767145 6854463 7072065 7227495 7869939 7997535 8100729 8541585 9092655 9300837 9774765 9900891 10118493 10439715 10731735 11424105 11958219 12567555 12729717 13116565 13501215 13797945 14615601 15501395 16501485 16864155 17594577 18791487 19317123 19930365 21216195 21682485 23609817 24359335 25624755 27902511 29324295 29702673 30355479 31319145 32195205 34103069 34272315 35874657 39349695 40503645 43846803 46504185 49504455 50592465 56374461 59791095 63648585 70829451 73078005 83707533 87972885 89108019 93957435 96585615 102309207 118049085 131540409 139512555 148513365 151777395 170515345 179373285 212488353 219234015 251122599 281872305 306927621 354147255 394621227 418537665 445540095 511546035 657702045 920782863 1062441765 1255612995 1534638105 1973106135 2762348589 4603914315 13811742945
• Sum of all divisors σ(n): 35150201856
• Sum of proper divisors (its aliquot sum) s(n): 21338458911
• 13811742945 is an abundant number, because the sum of its proper divisors (21338458911) is greater than itself. Its abundance is 7526715966

Bases of 13811742945

• Binary: 1100110111001111100111100011100001₂
• Hexadecimal: 0x3373E78E1
• Base-36: 6CF5L29

Squares and roots of 13811742945

• 13811742945 squared (13811742945²) is 190764243178757273025
• 13811742945 cubed (13811742945³) is 2634786689882465139570482558625
• The square root of 13811742945 is 117523.3719095909
• The cube root of 13811742945 is 2399.2904699441

Scales and comparisons

• 13,811,742,945 seconds is equal to 439 years, 8 weeks, 6 days, 3 hours, 15 minutes, 45 seconds.
• To count from 1 to 13,811,742,945 would take you about eight hundred seventy-eight 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 13811742945 cubic inches would be around 199.9 feet tall.

Recreational maths with 13811742945

• 13811742945 backwards is 54924711831
• 13811742945 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13811742945's digits is 45
• More coming soon!