138316478900

Names of 138316478900

• Cardinal: 138316478900 can be written as One hundred thirty-eight billion, three hundred sixteen million, four hundred seventy-eight thousand, nine hundred.

Scientific notation

• Scientific notation: 1.383164789 × 10¹¹

Factors of 138316478900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 549

Divisors of 138316478900

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 10 20 25 31 43 50 59 62 86 100 118 124 155 172 215 236 295 310 409 430 590 620 775 818 860 1075 1180 1333 1475 1550 1636 1829 1849 2045 2150 2537 2666 2950 3100 3658 3698 4090 4300 5074 5332 5900 6665 7316 7396 8180 9145 9245 10148 10225 12679 12685 13330 17587 18290 18490 20450 24131 25358 25370 26660 33325 35174 36580 36980 40900 45725 46225 48262 50716 50740 57319 63395 63425 66650 70348 78647 87935 91450 92450 96524 109091 114638 120655 126790 126850 133300 157294 175870 182900 184900 218182 229276 241310 253580 253700 286595 314588 316975 351740 393235 436364 439675 482620 545197 545455 573190 603275 633950 748061 756241 786470 879350 1037633 1090394 1090910 1146380 1206550 1267900 1432975 1496122 1512482 1572940 1758700 1966175 2075266 2180788 2181820 2413100 2725985 2727275 2865950 2992244 3024964 3381821 3740305 3781205 3932350 4150532 5188165 5451970 5454550 5731900 6763642 7480610 7562410 7864700 10376330 10903940 10909100 13527284 13629925 14961220 15124820 16909105 18701525 18906025 20752660 23443471 25940825 27259850 32166623 33818210 37403050 37812050 44618219 46886942 51881650 54519700 64333246 67636420 74806100 75624100 84545525 89236438 93773884 103763300 117217355 128666492 160833115 169091050 178472876 223091095 234434710 321666230 338182100 446182190 468869420 586086775 643332460 804165575 892364380 1115455475 1172173550 1383164789 1608331150 2230910950 2344347100 2766329578 3216662300 4461821900 5532659156 6915823945 13831647890 27663295780 34579119725 69158239450 138316478900
• Sum of all divisors σ(n): 323366803200
• Sum of proper divisors (its aliquot sum) s(n): 185050324300
• 138316478900 is an abundant number, because the sum of its proper divisors (185050324300) is greater than itself. Its abundance is 46733845400

Bases of 138316478900

• Binary: 10000000110100010011011111100110110100₂
• Hexadecimal: 0x20344DF9B4
• Base-36: 1RJI265W

Squares and roots of 138316478900

• 138316478900 squared (138316478900²) is 19131448335294145210000
• 138316478900 cubed (138316478900³) is 2646194569995152761232501069000000
• The square root of 138316478900 is 371909.2347603109
• The cube root of 138316478900 is 5171.5966034109

Scales and comparisons

• 138,316,478,900 seconds is equal to 4,398 years, 1 week, 6 days, 4 hours, 8 minutes, 20 seconds.
• To count from 1 to 138,316,478,900 would take you about eight thousand, seven hundred ninety-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 138316478900 cubic inches would be around 431 feet tall.

Recreational maths with 138316478900

• 138316478900 backwards is 009874613831
• 138316478900 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138316478900's digits is 50
• More coming soon!