18444049920

Names of 18444049920

• Cardinal: 18444049920 can be written as Eighteen billion, four hundred forty-four million, forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.844404992 × 10¹⁰

Factors of 18444049920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 9893

Divisors of 18444049920

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 243 256 270 288 320 324 360 384 405 432 480 486 512 540 576 640 648 720 729 768 810 864 960 972 1080 1152 1215 1280 1296 1440 1458 1536 1620 1728 1920 1944 2160 2304 2430 2560 2592 2880 2916 3240 3456 3645 3840 3888 4320 4608 4860 5184 5760 5832 6480 6912 7290 7680 7776 8640 9720 9883 10368 11520 11664 12960 13824 14580 15552 17280 19440 19766 20736 23040 23328 25920 29160 29649 31104 34560 38880 39532 41472 46656 49415 51840 58320 59298 62208 69120 77760 79064 88947 93312 98830 103680 116640 118596 124416 148245 155520 158128 177894 186624 197660 207360 233280 237192 266841 296490 311040 316256 355788 373248 395320 444735 466560 474384 533682 592980 622080 632512 711576 790640 800523 889470 933120 948768 1067364 1185960 1265024 1334205 1423152 1581280 1601046 1778940 1866240 1897536 2134728 2371920 2401569 2530048 2668410 2846304 3162560 3202092 3557880 3795072 4002615 4269456 4743840 4803138 5060096 5336820 5692608 6325120 6404184 7115760 7204707 7590144 8005230 8538912 9487680 9606276 10673640 11385216 12007845 12650240 12808368 14231520 14409414 15180288 16010460 17077824 18975360 19212552 21347280 22770432 24015690 25300480 25616736 28463040 28818828 32020920 34155648 36023535 37950720 38425104 42694560 45540864 48031380 51233472 56926080 57637656 64041840 68311296 72047070 75901440 76850208 85389120 96062760 102466944 113852160 115275312 128083680 136622592 144094140 153700416 170778240 192125520 204933888 227704320 230550624 256167360 288188280 307400832 341556480 384251040 409867776 461101248 512334720 576376560 614801664 683112960 768502080 922202496 1024669440 1152753120 1229603328 1537004160 1844404992 2049338880 2305506240 3074008320 3688809984 4611012480 6148016640 9222024960 18444049920
• Sum of all divisors σ(n): 66310115256
• Sum of proper divisors (its aliquot sum) s(n): 47866065336
• 18444049920 is an abundant number, because the sum of its proper divisors (47866065336) is greater than itself. Its abundance is 29422015416

Bases of 18444049920

• Binary: 10001001011010110011101111000000000₂
• Hexadecimal: 0x44B59DE00
• Base-36: 8H14000

Squares and roots of 18444049920

• 18444049920 squared (18444049920²) is 340182977451452006400
• 18444049920 cubed (18444049920³) is 6274351818048815182525759488000
• The square root of 18444049920 is 135808.8727587413
• The cube root of 18444049920 is 2642.1173097043

Scales and comparisons

• 18,444,049,920 seconds is equal to 586 years, 24 weeks, 19 hours, 12 minutes.
• To count from 1 to 18,444,049,920 would take you about one thousand, one hundred seventy-two 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 18444049920 cubic inches would be around 220.2 feet tall.

Recreational maths with 18444049920

• 18444049920 backwards is 02994044481
• 18444049920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18444049920's digits is 45
• More coming soon!