138211215450

Names of 138211215450

• Cardinal: 138211215450 can be written as One hundred thirty-eight billion, two hundred eleven million, two hundred fifteen thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.3821121545 × 10¹¹

Factors of 138211215450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 177

Divisors of 138211215450

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 21 22 25 30 33 35 42 49 50 55 66 70 75 77 98 105 110 121 147 149 150 154 165 175 210 231 242 245 275 294 298 330 343 350 363 385 447 462 490 525 539 550 605 686 726 735 745 770 825 847 894 1029 1043 1050 1078 1155 1210 1225 1470 1490 1617 1639 1650 1694 1715 1815 1925 2058 2086 2235 2310 2450 2541 2695 3025 3129 3234 3278 3430 3630 3675 3725 3773 3850 4235 4470 4917 5082 5145 5215 5390 5775 5929 6050 6258 7301 7350 7450 7546 8085 8195 8470 8575 9075 9834 10290 10430 11175 11319 11473 11550 11858 12705 13475 14602 15645 16170 16390 17150 17787 18029 18150 18865 21175 21903 22201 22350 22638 22946 24585 25410 25725 26075 26950 29645 31290 34419 35574 36058 36505 37730 40425 40975 41503 42350 43806 44402 49170 51107 51450 52150 54087 56595 57365 59290 63525 66603 68838 73010 78225 80311 80850 81950 83006 88935 90145 94325 102214 108174 109515 111005 113190 114730 122925 124509 126203 127050 133206 148225 153321 155407 156450 160622 172095 177870 180290 182525 188650 207515 219030 222010 240933 244211 245850 249018 252406 255535 270435 282975 286825 296450 306642 310814 333015 344190 365050 378609 401555 415030 444675 450725 466221 481866 488422 511070 540870 547575 555025 562177 565950 573650 622545 631015 666030 732633 757218 766605 777035 803110 860475 883421 889350 901450 932442 1037575 1087849 1095150 1110050 1124354 1204665 1221055 1245090 1262030 1277675 1352175 1465266 1533210 1554070 1665075 1686531 1709477 1720950 1766842 1893045 2007775 2075150 2175698 2331105 2409330 2442110 2555350 2650263 2686321 2704350 2810885 3112725 3155075 3263547 3330150 3373062 3418954 3663165 3786090 3833025 3885175 4015550 4417105 4662210 5128431 5300526 5372642 5439245 5621770 6023325 6105275 6183947 6225450 6310150 6527094 7326330 7614943 7666050 7770350 8058963 8432655 8547385 8834210 9465225 10256862 10878490 11655525 11966339 12046650 12210550 12367894 13251315 13431605 14054425 15229886 16117926 16317735 16865310 17094770 18315825 18551841 18804247 18930450 22085525 22844829 23311050 23932678 25642155 26502630 26863210 27196225 28108850 30919735 32635470 35899017 36631650 37103682 37608494 38074715 40294815 42163275 42736925 44171050 45689658 51284310 54392450 56412741 59831695 61839470 66256575 67158025 71798034 76149430 80589630 81588675 83764373 84326550 85473850 92759205 94021235 112825482 114224145 119663390 128210775 131629729 132513150 134316050 154598675 163177350 167528746 179495085 185518410 188042470 190373575 201474075 228448290 251293119 256421550 263259458 282063705 299158475 309197350 358990170 380747150 394889187 402948150 418821865 463796025 470106175 502586238 564127410 571120725 598316950 658148645 789778374 837643730 897475425 921408103 927592050 940212350 1142241450 1256465595 1316297290 1410318525 1794950850 1842816206 1974445935 2094109325 2512931190 2764224309 2820637050 3290743225 3948891870 4188218650 4607040515 5528448618 6282327975 6581486450 9214081030 9872229675 12564655950 13821121545 19744459350 23035202575 27642243090 46070405150 69105607725 138211215450
• Sum of all divisors σ(n): 442335230400
• Sum of proper divisors (its aliquot sum) s(n): 304124014950
• 138211215450 is an abundant number, because the sum of its proper divisors (304124014950) is greater than itself. Its abundance is 165912799500

Bases of 138211215450

• Binary: 10000000101110000001111100100001011010₂
• Hexadecimal: 0x202E07C85A
• Base-36: 1RHRE0D6

Squares and roots of 138211215450

• 138211215450 squared (138211215450²) is 19102340076166318702500
• 138211215450 cubed (138211215450³) is 2640157639866192484224591953625000
• The square root of 138211215450 is 371767.6901641669
• The cube root of 138211215450 is 5170.2843513439

Scales and comparisons

• 138,211,215,450 seconds is equal to 4,394 years, 35 weeks, 5 days, 20 hours, 17 minutes, 30 seconds.
• To count from 1 to 138,211,215,450 would take you about eight thousand, seven hundred eighty-nine 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 138211215450 cubic inches would be around 430.9 feet tall.

Recreational maths with 138211215450

• 138211215450 backwards is 054512112831
• 138211215450 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138211215450's digits is 33
• More coming soon!