138209164450

Names of 138209164450

• Cardinal: 138209164450 can be written as One hundred thirty-eight billion, two hundred nine million, one hundred sixty-four thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.3820916445 × 10¹¹

Factors of 138209164450

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 445

Divisors of 138209164450

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 7 10 14 17 19 25 34 35 38 50 67 70 71 85 95 119 133 134 142 170 175 190 238 257 266 323 335 350 355 425 469 475 497 514 595 646 665 670 710 850 938 950 994 1139 1190 1207 1273 1285 1330 1349 1615 1675 1775 1799 2261 2278 2345 2414 2485 2546 2570 2698 2975 3230 3325 3350 3550 3598 4369 4522 4690 4757 4883 4970 5695 5950 6035 6365 6425 6650 6745 7973 8075 8449 8738 8911 8995 9443 9514 9766 11305 11390 11725 12070 12425 12730 12850 13490 15946 16150 16898 17219 17822 17990 18247 18886 21641 21845 22610 22933 23450 23785 24415 24850 28475 30175 30583 31825 33299 33725 34181 34438 36494 39865 42245 43282 43690 44555 44975 45866 47215 47570 48830 56525 56950 60350 61166 63650 66598 67450 68362 79730 80869 83011 84490 86095 89110 89950 90383 91235 94430 108205 109225 113050 114665 118925 120533 122075 127729 151487 152915 160531 161738 166022 166495 170905 172190 180766 182470 199325 211225 216410 218450 222775 229330 236075 237850 241066 244150 255458 292723 302974 305830 310199 321062 327161 332990 341810 346693 398650 404345 415055 422450 430475 445550 451915 456175 472150 541025 566083 573325 581077 585446 602665 620398 632681 638645 654322 693386 757435 764575 802655 808690 830110 832475 854525 860950 903830 912350 1082050 1132166 1146650 1162154 1205330 1222549 1265362 1277290 1463615 1514870 1529150 1536511 1550995 1605310 1635805 1664950 1709050 1733465 2021725 2049061 2075275 2171393 2259575 2290127 2426851 2445098 2830415 2905385 2927230 3013325 3073022 3101990 3163405 3193225 3271610 3466930 3787175 4013275 4043450 4098122 4150550 4342786 4519150 4580254 4853702 5561737 5660830 5810770 5893781 6026650 6112745 6326810 6386450 7318075 7574350 7682555 7754975 8026550 8179025 8557843 8667325 10245305 10755577 10856965 11123474 11450635 11787562 12134255 12225490 14152075 14526925 14636150 15365110 15509950 15817025 16358050 17115686 17334650 20490610 20783333 21511154 21713930 22901270 23228431 24268510 27808685 28304150 29053850 29468905 30563725 31634050 38412775 38932159 41256467 41566666 42789215 46456862 51226525 53777885 54284825 55617370 57253175 58937810 60671275 61127450 76825550 77864318 82512934 85578430 102453050 103916665 107555770 108569650 114506350 116142155 121342550 139043425 145483331 147344525 162599017 194660795 206282335 207833330 213946075 232284310 268889425 278086850 290966662 294689050 325198034 389321590 394883327 412564670 427892150 519583325 537778850 580710775 727416655 789766654 812995085 973303975 1031411675 1039166650 1161421550 1454833310 1625990170 1946607950 1974416635 2062823350 2764183289 3637083275 3948833270 4064975425 5528366578 7274166550 8129950850 9872083175 13820916445 19744166350 27641832890 69104582225 138209164450
• Sum of all divisors σ(n): 338326917120
• Sum of proper divisors (its aliquot sum) s(n): 200117752670
• 138209164450 is an abundant number, because the sum of its proper divisors (200117752670) is greater than itself. Its abundance is 61908588220

Bases of 138209164450

• Binary: 10000000101101111010000111110010100010₂
• Hexadecimal: 0x202DE87CA2
• Base-36: 1RHQ61SY

Squares and roots of 138209164450

• 138209164450 squared (138209164450²) is 19101773137967143802500
• 138209164450 cubed (138209164450³) is 2640040104911893516496520821125000
• The square root of 138209164450 is 371764.9317108863
• The cube root of 138209164450 is 5170.2587762229

Scales and comparisons

• 138,209,164,450 seconds is equal to 4,394 years, 32 weeks, 3 days, 2 hours, 34 minutes, 10 seconds.
• To count from 1 to 138,209,164,450 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 138209164450 cubic inches would be around 430.9 feet tall.

Recreational maths with 138209164450

• 138209164450 backwards is 054461902831
• The number of decimal digits it has is: 12
• The sum of 138209164450's digits is 43
• More coming soon!