138243213900

Names of 138243213900

• Cardinal: 138243213900 can be written as One hundred thirty-eight billion, two hundred forty-three million, two hundred thirteen thousand, nine hundred.

Scientific notation

• Scientific notation: 1.382432139 × 10¹¹

Factors of 138243213900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16169

Divisors of 138243213900

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 30 33 36 44 45 50 55 60 66 75 79 90 99 100 110 121 132 150 158 165 180 198 220 225 237 242 275 300 316 330 363 395 396 450 474 484 495 550 605 660 711 726 790 825 869 900 948 990 1089 1100 1185 1210 1422 1452 1580 1650 1738 1815 1975 1980 2178 2370 2420 2475 2607 2844 3025 3300 3476 3555 3630 3950 4345 4356 4740 4950 5214 5445 5925 6050 7110 7260 7821 7900 8690 9075 9559 9900 10428 10890 11850 12100 13035 14220 15642 16069 17380 17775 18150 19118 21725 21780 23700 26070 27225 28677 31284 32138 35550 36300 38236 39105 43450 47795 48207 52140 54450 57354 64276 65175 71100 78210 80345 86031 86900 95590 96414 108900 114708 130350 143385 144621 156420 160690 172062 176759 191180 192828 195525 238975 241035 260700 286770 289242 321380 344124 353518 391050 401725 430155 477950 482070 530277 573540 578484 707036 716925 723105 782100 803450 860310 883795 955900 964140 1060554 1205175 1269451 1433850 1446210 1590831 1606900 1720620 1767590 1944349 2121108 2150775 2410350 2538902 2651385 2867700 2892420 3181662 3535180 3615525 3808353 3888698 4301550 4418975 4820700 5077804 5302770 5833047 6347255 6363324 7231050 7616706 7777396 7954155 8603100 8837950 9721745 10605540 11425059 11666094 12694510 13256925 13963961 14462100 15233412 15908310 17499141 17675900 19041765 19443490 22850118 23332188 25389020 26513850 27927922 29165235 31736275 31816620 34998282 38083530 38886980 39770775 41891883 45700236 48608725 53027700 55855844 57125295 58330470 63472550 69819805 69996564 76167060 79541550 83783766 87495705 95208825 97217450 114250590 116660940 125675649 126945100 139639610 145826175 153603571 159083100 167567532 174991410 190417650 194434900 209459415 228501180 251351298 279279220 285626475 291652350 307207142 349099025 349982820 380835300 418918830 437478525 460810713 502702596 571252950 583304700 614414284 628378245 698198050 768017855 837837660 874957050 921621426 1047297075 1142505900 1256756490 1382432139 1396396100 1536035710 1749914100 1843242852 2094594150 2304053565 2513512980 2764864278 3072071420 3141891225 3840089275 4189188300 4608107130 5529728556 6283782450 6912160695 7680178550 9216214260 11520267825 12567564900 13824321390 15360357100 23040535650 27648642780 34560803475 46081071300 69121606950 138243213900
• Sum of all divisors σ(n): 482348120800
• Sum of proper divisors (its aliquot sum) s(n): 344104906900
• 138243213900 is an abundant number, because the sum of its proper divisors (344104906900) is greater than itself. Its abundance is 205861693000

Bases of 138243213900

• Binary: 10000000101111111100000000101001001100₂
• Hexadecimal: 0x202FF00A4C
• Base-36: 1RIAFUJ0

Squares and roots of 138243213900

• 138243213900 squared (138243213900²) is 19111186189401153210000
• 138243213900 cubed (138243213900³) is 2641991800264109536116701619000000
• The square root of 138243213900 is 371810.7232181449
• The cube root of 138243213900 is 5170.6833260071

Scales and comparisons

• 138,243,213,900 seconds is equal to 4,395 years, 36 weeks, 5 days, 4 hours, 45 minutes.
• To count from 1 to 138,243,213,900 would take you about eight thousand, seven hundred ninety-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 138243213900 cubic inches would be around 430.9 feet tall.

Recreational maths with 138243213900

• 138243213900 backwards is 009312342831
• 138243213900 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138243213900's digits is 36
• More coming soon!