138081582380

Names of 138081582380

• Cardinal: 138081582380 can be written as One hundred thirty-eight billion, eighty-one million, five hundred eighty-two thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.3808158238 × 10¹¹

Factors of 138081582380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6542

Divisors of 138081582380

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 14 20 23 28 35 46 67 70 92 101 115 134 140 161 202 230 268 322 335 404 460 469 505 644 670 707 805 938 1010 1340 1414 1541 1610 1876 2020 2323 2345 2828 3082 3220 3535 4646 4690 6164 6337 6767 7070 7705 9292 9380 10787 11615 12674 13534 14140 15410 16261 21574 23230 25348 27068 30820 31685 32522 33835 43148 44359 46460 47369 53935 63370 65044 67670 81305 88718 94738 107870 126740 135340 145751 155641 162610 177436 189476 215740 221795 236845 291502 311282 325220 424579 443590 473690 583004 622564 640037 728755 778205 849158 887180 947380 1020257 1089487 1280074 1457510 1556410 1698316 2040514 2122895 2178974 2560148 2915020 2972053 3112820 3200185 4081028 4245790 4357948 4480259 5101285 5447435 5944106 6400370 8491580 8960518 9765317 10202570 10894870 11888212 12800740 14720851 14860265 17921036 19530634 20405140 21789740 22401295 29441702 29720530 39061268 42882479 44802590 48826585 58883404 59441060 68357219 73604255 85764958 89605180 97653170 103045957 136714438 147208510 171529916 195306340 206091914 214412395 273428876 294417020 300177353 341786095 412183828 428824790 515229785 600354706 683572190 857649580 986297017 1030459570 1200709412 1367144380 1500886765 1972594034 2060919140 3001773530 3945188068 4931485085 6003547060 6904079119 9862970170 13808158238 19725940340 27616316476 34520395595 69040791190 138081582380
• Sum of all divisors σ(n): 354496407552
• Sum of proper divisors (its aliquot sum) s(n): 216414825172
• 138081582380 is an abundant number, because the sum of its proper divisors (216414825172) is greater than itself. Its abundance is 78333242792

Bases of 138081582380

• Binary: 10000000100110010011011011110100101100₂
• Hexadecimal: 0x20264DBD2C
• Base-36: 1RFM7IUK

Squares and roots of 138081582380

• 138081582380 squared (138081582380²) is 19066523392564726464400
• 138081582380 cubed (138081582380³) is 2632735720530623356776214737272000
• The square root of 138081582380 is 371593.3023885119
• The cube root of 138081582380 is 5168.6673829781

Scales and comparisons

• 138,081,582,380 seconds is equal to 4,390 years, 29 weeks, 3 days, 11 hours, 6 minutes, 20 seconds.
• To count from 1 to 138,081,582,380 would take you about eight thousand, seven hundred eighty-one 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 138081582380 cubic inches would be around 430.7 feet tall.

Recreational maths with 138081582380

• 138081582380 backwards is 083285180831
• The number of decimal digits it has is: 12
• The sum of 138081582380's digits is 47
• More coming soon!