18479372769

Names of 18479372769

• Cardinal: 18479372769 can be written as Eighteen billion, four hundred seventy-nine million, three hundred seventy-two thousand, seven hundred sixty-nine.

Scientific notation

• Scientific notation: 1.8479372769 × 10¹⁰

Factors of 18479372769

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 178

Divisors of 18479372769

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 9 11 13 31 33 39 41 79 93 99 117 121 123 143 169 237 279 341 363 369 403 429 451 507 533 711 869 1023 1027 1089 1209 1271 1287 1353 1521 1573 1599 1859 2449 2607 3069 3081 3239 3627 3751 3813 4059 4433 4719 4797 4961 5239 5577 5863 6929 7347 7821 9243 9559 9717 11253 11297 11439 13299 13351 13981 14157 14883 15717 16523 16731 17589 20449 20787 22041 26939 28677 29151 31837 33759 33891 35629 39897 40053 41943 42107 44649 47151 48763 49569 52767 57629 61347 62361 64493 76219 80817 86031 95511 100409 101673 106887 120159 124267 125829 126321 146289 146861 148707 153791 172887 181753 184041 193479 214799 228657 242451 286533 296329 301227 320661 350207 372801 378963 391919 413881 438867 440583 461373 463177 518661 545259 547391 580437 633919 644397 685971 838409 888987 903681 1050621 1104499 1118403 1175757 1241643 1305317 1321749 1384119 1389531 1615471 1635777 1642173 1901757 1933191 1999283 2362789 2515227 2666961 3151863 3313497 3527271 3724929 3852277 3915951 4168593 4552691 4846413 4926519 5094947 5705271 5997849 6021301 7088367 7545681 9940491 11556831 11747853 12149489 13658073 14358487 14539239 15284841 16969121 17993547 18063903 21265101 25990679 34670493 36448467 40974219 43075461 45854523 50079601 50907363 54191709 66234311 77972037 109345401 129226383 150238803 152722089 157943357 186660331 198702933 233916111 450716409 473830071 559980993 596108799 1421490213 1679942979 2053263641 6159790923 18479372769
• Sum of all divisors σ(n): 34020080640
• Sum of proper divisors (its aliquot sum) s(n): 15540707871
• 18479372769 is a deficient number, because the sum of its proper divisors (15540707871) is less than itself. Its deficiency is 2938664898

Bases of 18479372769

• Binary: 10001001101011101001101100111100001₂
• Hexadecimal: 0x44D74D9E1
• Base-36: 8HM53A9

Squares and roots of 18479372769

• 18479372769 squared (18479372769²) is 341487217935658727361
• 18479372769 cubed (18479372769³) is 6310469596081780280472058632609
• The square root of 18479372769 is 135938.8567297811
• The cube root of 18479372769 is 2643.8029047241

Scales and comparisons

• 18,479,372,769 seconds is equal to 587 years, 30 weeks, 3 days, 15 hours, 6 minutes, 9 seconds.
• To count from 1 to 18,479,372,769 would take you about one thousand, one hundred seventy-five 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 18479372769 cubic inches would be around 220.3 feet tall.

Recreational maths with 18479372769

• 18479372769 backwards is 96727397481
• The number of decimal digits it has is: 11
• The sum of 18479372769's digits is 63
• More coming soon!