1808180245440

Names of 1808180245440

• Cardinal: 1808180245440 can be written as One trillion, eight hundred eight billion, one hundred eighty million, two hundred forty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.80818024544 × 10¹²

Factors of 1808180245440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 33588

Divisors of 1808180245440

• Number of divisors d(n): 224
• 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 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2880 4320 8269 8640 16538 24807 25309 33076 41345 49614 50618 66152 74421 75927 82690 99228 101236 124035 126545 132304 148842 151854 165380 198456 202472 223263 227781 248070 253090 264608 297684 303708 330760 372105 379635 396912 404944 446526 455562 496140 506180 529216 595368 607416 661520 683343 744210 759270 793824 809888 893052 911124 992280 1012360 1116315 1138905 1190736 1214832 1323040 1366686 1488420 1518540 1587648 1619776 1786104 1822248 1984560 2024720 2232630 2277810 2381472 2429664 2646080 2733372 2976840 3037080 3416715 3572208 3644496 3969120 4049440 4465260 4555620 4762944 4859328 5466744 5953680 6074160 6833430 7144416 7288992 7938240 8098880 8930520 9111240 10933488 11907360 12148320 13666860 14288832 14577984 17861040 18222480 21866976 23814720 24296640 27333720 35722080 36444960 43733952 54667440 71444160 72889920 109334880 209280121 218669760 418560242 627840363 837120484 1046400605 1255680726 1674240968 1883521089 2092801210 2511361452 3139201815 3348481936 3767042178 4185602420 5022722904 5650563267 6278403630 6696963872 7534084356 8371204840 9417605445 10045445808 11301126534 12556807260 13393927744 15068168712 16742409680 18835210890 20090891616 22602253068 25113614520 28252816335 30136337424 33484819360 37670421780 40181783232 45204506136 50227229040 56505632670 60272674848 66969638720 75340843560 90409012272 100454458080 113011265340 120545349696 150681687120 180818024544 200908916160 226022530680 301363374240 361636049088 452045061360 602726748480 904090122720 1808180245440
• Sum of all divisors σ(n): 6379881576000
• Sum of proper divisors (its aliquot sum) s(n): 4571701330560
• 1808180245440 is an abundant number, because the sum of its proper divisors (4571701330560) is greater than itself. Its abundance is 2763521085120

Bases of 1808180245440

• Binary: 11010010011111111111100001111001111000000₂
• Hexadecimal: 0x1A4FFF0F3C0
• Base-36: N2NZTYO0

Squares and roots of 1808180245440

• 1808180245440 squared (1808180245440²) is 3269515799999458640793600
• 1808180245440 cubed (1808180245440³) is 5911873881712979076977300444381184000
• The square root of 1808180245440 is 1344685.9281780263
• The cube root of 1808180245440 is 12182.8035187923

Scales and comparisons

• 1,808,180,245,440 seconds is equal to 57,494 years, 28 weeks, 2 hours, 24 minutes.
• To count from 1 to 1,808,180,245,440 would take you about one hundred forty-three thousand, seven hundred thirty-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 1808180245440 cubic inches would be around 1015.2 feet tall.

Recreational maths with 1808180245440

• 1808180245440 backwards is 0445420818081
• 1808180245440 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1808180245440's digits is 45
• More coming soon!