138478082000

Names of 138478082000

• Cardinal: 138478082000 can be written as One hundred thirty-eight billion, four hundred seventy-eight million, eighty-two thousand.

Scientific notation

• Scientific notation: 1.38478082 × 10¹¹

Factors of 138478082000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 217

Divisors of 138478082000

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 125 157 200 212 250 265 314 400 424 500 530 628 785 848 1000 1060 1256 1325 1570 2000 2120 2512 2650 2809 3140 3925 4240 5300 5618 6280 6625 7850 8321 10600 11236 12560 13250 14045 15700 16642 19625 21200 22472 24649 26500 28090 31400 33284 39250 41605 44944 49298 53000 56180 62800 66568 70225 78500 83210 98596 106000 112360 123245 133136 140450 157000 166420 197192 208025 224720 246490 280900 314000 332840 351125 394384 416050 441013 492980 561800 616225 665680 702250 832100 882026 985960 1040125 1123600 1232450 1306397 1404500 1664200 1764052 1971920 2080250 2205065 2464900 2612794 2809000 3081125 3328400 3528104 4160500 4410130 4929800 5225588 5618000 6162250 6531985 7056208 8321000 8820260 9859600 10451176 11025325 12324500 13063970 16642000 17640520 20902352 22050650 24649000 26127940 32659925 35281040 44101300 49298000 52255880 55126625 65319850 69239041 88202600 104511760 110253250 130639700 138478082 163299625 176405200 220506500 261279400 276956164 326599250 346195205 441013000 522558800 553912328 653198500 692390410 882026000 1107824656 1306397000 1384780820 1730976025 2612794000 2769561640 3461952050 5539123280 6923904100 8654880125 13847808200 17309760250 27695616400 34619520500 69239041000 138478082000
• Sum of all divisors σ(n): 343464524676
• Sum of proper divisors (its aliquot sum) s(n): 204986442676
• 138478082000 is an abundant number, because the sum of its proper divisors (204986442676) is greater than itself. Its abundance is 66508360676

Bases of 138478082000

• Binary: 10000000111101111011111101011111010000₂
• Hexadecimal: 0x203DEFD7D0
• Base-36: 1RM69VWW

Squares and roots of 138478082000

• 138478082000 squared (138478082000²) is 19176179194398724000000
• 138478082000 cubed (138478082000³) is 2655480514928640442767368000000000
• The square root of 138478082000 is 372126.4328155151
• The cube root of 138478082000 is 5173.6099108091

Scales and comparisons

• 138,478,082,000 seconds is equal to 4,403 years, 9 weeks, 13 hours, 53 minutes, 20 seconds.
• To count from 1 to 138,478,082,000 would take you about eight thousand, eight hundred 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 138478082000 cubic inches would be around 431.1 feet tall.

Recreational maths with 138478082000

• 138478082000 backwards is 000280874831
• The number of decimal digits it has is: 12
• The sum of 138478082000's digits is 41
• More coming soon!