18982638653440

Names of 18982638653440

• Cardinal: 18982638653440 can be written as Eighteen trillion, nine hundred eighty-two billion, six hundred thirty-eight million, six hundred fifty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.898263865344 × 10¹³

Factors of 18982638653440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 12037514

Divisors of 18982638653440

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 128 140 154 160 176 220 224 256 280 308 320 352 385 440 448 512 560 616 640 704 770 880 896 1024 1120 1232 1280 1408 1540 1760 1792 2048 2240 2464 2560 2816 3080 3520 3584 4096 4480 4928 5120 5632 6160 7040 7168 8960 9856 10240 11264 12320 14080 14336 17920 19712 20480 22528 24640 28160 28672 35840 39424 45056 49280 56320 71680 78848 98560 112640 143360 157696 197120 225280 315392 394240 788480 1576960 12037489 24074978 48149956 60187445 84262423 96299912 120374890 132412379 168524846 192599824 240749780 264824758 337049692 385199648 421312115 481499560 529649516 662061895 674099384 770399296 842624230 926886653 962999120 1059299032 1324123790 1348198768 1540798592 1685248460 1853773306 1925998240 2118598064 2648247580 2696397536 3081597184 3370496920 3707546612 3851996480 4237196128 4634433265 5296495160 5392795072 6163194368 6740993840 7415093224 7703992960 8474392256 9268866530 10592990320 10785590144 12326388736 13481987680 14830186448 15407985920 16948784512 18537733060 21185980640 21571180288 24652777472 26963975360 29660372896 30815971840 33897569024 37075466120 42371961280 43142360576 49305554944 53927950720 59320745792 61631943680 67795138048 74150932240 84743922560 86284721152 107855901440 118641491584 123263887360 135590276096 148301864480 169487845120 172569442304 215711802880 237282983168 246527774720 271180552192 296603728960 338975690240 345138884608 431423605760 474565966336 542361104384 593207457920 677951380480 862847211520 949131932672 1186414915840 1355902760960 1725694423040 1898263865344 2372829831680 2711805521920 3796527730688 4745659663360 9491319326720 18982638653440
• Sum of all divisors σ(n): 56793070419840
• Sum of proper divisors (its aliquot sum) s(n): 37810431766400
• 18982638653440 is an abundant number, because the sum of its proper divisors (37810431766400) is greater than itself. Its abundance is 18827793112960

Bases of 18982638653440

• Binary: 100010100001110111101011011110001000000000000₂
• Hexadecimal: 0x1143BD6F1000
• Base-36: 6Q8I4XQF4

Squares and roots of 18982638653440

• 18982638653440 squared (18982638653440²) is 360340570247074376423833600
• 18982638653440 cubed (18982638653440³) is 6840214837174725668977648331426627584000
• The square root of 18982638653440 is 4356907.0053697497
• The cube root of 18982638653440 is 26675.8864585393

Scales and comparisons

• 18,982,638,653,440 seconds is equal to 603,589 years, 9 weeks, 6 days, 21 hours, 30 minutes, 40 seconds.
• To count from 1 to 18,982,638,653,440 would take you about one million, five hundred eight thousand, nine 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 18982638653440 cubic inches would be around 2223 feet tall.

Recreational maths with 18982638653440

• 18982638653440 backwards is 04435683628981
• The number of decimal digits it has is: 14
• The sum of 18982638653440's digits is 67
• More coming soon!