18809126490

Names of 18809126490

• Cardinal: 18809126490 can be written as Eighteen billion, eight hundred nine million, one hundred twenty-six thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.880912649 × 10¹⁰

Factors of 18809126490

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1037

Divisors of 18809126490

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 37 42 55 66 70 74 77 105 110 111 154 165 185 210 222 231 259 330 359 370 385 407 462 518 555 613 718 770 777 814 1077 1110 1155 1221 1226 1295 1554 1795 1839 2035 2154 2310 2442 2513 2590 2849 3065 3590 3678 3885 3949 4070 4291 5026 5385 5698 6105 6130 6743 7539 7770 7898 8547 8582 9195 10770 11847 12210 12565 12873 13283 13486 14245 15078 17094 18390 19745 20229 21455 22681 23694 25130 25746 26566 27643 28490 33715 37695 39490 39849 40458 42735 42910 45362 47201 55286 59235 64365 66415 67430 68043 75390 79698 82929 85470 92981 94402 101145 113405 118470 128730 132830 136086 138215 141603 146113 158767 165858 185962 199245 202290 220067 226810 236005 249491 276430 278943 283206 292226 317534 340215 398490 414645 438339 440134 464905 472010 476301 498982 557886 660201 680430 708015 730565 748473 793835 829290 876678 929810 952602 1022791 1100335 1247455 1320402 1394715 1416030 1461130 1496946 1540469 1587670 1746437 2045582 2191695 2200670 2381505 2420737 2494910 2789430 3068373 3080938 3301005 3492874 3742365 4383390 4621407 4763010 4841474 5113955 5239311 6136746 6602010 7262211 7484730 7702345 8142479 8732185 9242814 10227910 10478622 12103685 14524422 15341865 15404690 16284958 16945159 17464370 23107035 24207370 24427437 26196555 30683730 33890318 36311055 40712395 46214070 48854874 50835477 52393110 56997353 72622110 81424790 84725795 89567269 101670954 113994706 122137185 169451590 170992059 179134538 244274370 254177385 268701807 284986765 341984118 447836345 508354770 537403614 569973530 626970883 854960295 895672690 1253941766 1343509035 1709920590 1880912649 2687018070 3134854415 3761825298 6269708830 9404563245 18809126490
• Sum of all divisors σ(n): 58057482240
• Sum of proper divisors (its aliquot sum) s(n): 39248355750
• 18809126490 is an abundant number, because the sum of its proper divisors (39248355750) is greater than itself. Its abundance is 20439229260

Bases of 18809126490

• Binary: 10001100001000111000111111001011010₂
• Hexadecimal: 0x4611C7E5A
• Base-36: 8N2GUVU

Squares and roots of 18809126490

• 18809126490 squared (18809126490²) is 353783239316819720100
• 18809126490 cubed (18809126490³) is 6654353698352003299887295449000
• The square root of 18809126490 is 137146.3688545927
• The cube root of 18809126490 is 2659.4359937305

Scales and comparisons

• 18,809,126,490 seconds is equal to 598 years, 3 weeks, 5 days, 5 hours, 21 minutes, 30 seconds.
• To count from 1 to 18,809,126,490 would take you about one thousand, one hundred ninety-six 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 18809126490 cubic inches would be around 221.6 feet tall.

Recreational maths with 18809126490

• 18809126490 backwards is 09462190881
• The number of decimal digits it has is: 11
• The sum of 18809126490's digits is 48
• More coming soon!