38545720920

Names of 38545720920

• Cardinal: 38545720920 can be written as Thirty-eight billion, five hundred forty-five million, seven hundred twenty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.854572092 × 10¹⁰

Factors of 38545720920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3928

Divisors of 38545720920

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 840 1260 2520 3911 7822 11733 15644 19555 23466 27377 31288 35199 39110 46932 54754 58665 70398 78220 82131 93864 109508 117330 136885 140796 156440 164262 175995 219016 234660 246393 273770 281592 328524 351990 410655 469320 492786 547540 657048 703980 821310 985572 1095080 1231965 1407960 1642620 1971144 2463930 3285240 4927860 9855720 15295921 30591842 45887763 61183684 76479605 91775526 107071447 122367368 137663289 152959210 183551052 214142894 229438815 275326578 305918420 321214341 367102104 428285788 458877630 535357235 550653156 611836840 642428682 688316445 856571576 917755260 963643023 1070714470 1101306312 1284857364 1376632890 1606071705 1835510520 1927286046 2141428940 2569714728 2753265780 3212143410 3854572092 4282857880 4818215115 5506531560 6424286820 7709144184 9636430230 12848573640 19272860460 38545720920
• Sum of all divisors σ(n): 143206436880
• Sum of proper divisors (its aliquot sum) s(n): 104660715960
• 38545720920 is an abundant number, because the sum of its proper divisors (104660715960) is greater than itself. Its abundance is 66114995040

Bases of 38545720920

• Binary: 100011111001100000010000011001011000₂
• Hexadecimal: 0x8F9810658
• Base-36: HPH4KM0

Squares and roots of 38545720920

• 38545720920 squared (38545720920²) is 1485772601242525646400
• 38545720920 cubed (38545720920³) is 57270176038076838802077002688000
• The square root of 38545720920 is 196330.6418264861
• The cube root of 38545720920 is 3377.9928362979

Scales and comparisons

• 38,545,720,920 seconds is equal to 1,225 years, 33 weeks, 42 minutes.
• To count from 1 to 38,545,720,920 would take you about two thousand, four hundred fifty-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 38545720920 cubic inches would be around 281.5 feet tall.

Recreational maths with 38545720920

• 38545720920 backwards is 02902754583
• 38545720920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 38545720920's digits is 45
• More coming soon!