138472971147

Names of 138472971147

• Cardinal: 138472971147 can be written as One hundred thirty-eight billion, four hundred seventy-two million, nine hundred seventy-one thousand, one hundred forty-seven.

Scientific notation

• Scientific notation: 1.38472971147 × 10¹¹

Factors of 138472971147

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10530

Divisors of 138472971147

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 17 19 21 27 31 49 51 57 63 93 119 133 147 153 171 189 217 279 323 357 399 441 459 513 527 589 651 833 837 931 969 1071 1197 1323 1519 1581 1767 1953 2261 2499 2793 2907 3213 3591 3689 4123 4557 4743 5301 5859 6783 7497 8379 8721 10013 10453 11067 12369 13671 14229 15827 15903 20349 22491 25137 25823 28861 30039 31359 33201 37107 41013 47481 61047 70091 73171 77469 86583 90117 94077 99603 111321 142443 177701 198607 210273 219513 232407 259749 270351 282231 324043 427329 490637 512197 533103 595821 630819 658539 697221 779247 972129 1243907 1390249 1471911 1536591 1599309 1787463 1892457 1975617 2268301 2916387 3376319 3731721 4170747 4415733 4609773 4797927 5362389 5508731 6156817 6804903 8707349 8749161 9731743 10128957 11195163 12512241 13247199 13829319 15878107 16526193 18470451 20414709 23634233 26122047 29195229 30386871 33585489 37536723 38561117 43097719 47634321 49578579 55411353 61244127 70902699 78366141 87585687 91160613 104665889 115683351 129293157 142902963 148735737 165439631 166234059 212708097 235098423 262757061 269927819 301684033 313997667 347050053 387879471 428708889 496318893 638124291 732661223 809783457 905052099 941993001 1041150159 1163638413 1488956679 2197983669 2429350371 2715156297 2825979003 4466870037 5128628561 6593951007 7288051113 8145468891 15385885683 19781853021 46157657049 138472971147
• Sum of all divisors σ(n): 274580582400
• Sum of proper divisors (its aliquot sum) s(n): 136107611253
• 138472971147 is a deficient number, because the sum of its proper divisors (136107611253) is less than itself. Its deficiency is 2365359894

Bases of 138472971147

• Binary: 10000000111101101000011101101110001011₂
• Hexadecimal: 0x203DA1DB8B
• Base-36: 1RM38CCR

Squares and roots of 138472971147

• 138472971147 squared (138472971147²) is 19174763738277894495609
• 138472971147 cubed (138472971147³) is 2655186505881096743958375175193523
• The square root of 138472971147 is 372119.5656600173
• The cube root of 138472971147 is 5173.5462620241

Scales and comparisons

• 138,472,971,147 seconds is equal to 4,403 years, 4 days, 10 hours, 12 minutes, 27 seconds.
• To count from 1 to 138,472,971,147 would take you about eight thousand, eight hundred 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 138472971147 cubic inches would be around 431.1 feet tall.

Recreational maths with 138472971147

• 138472971147 backwards is 741179274831
• The number of decimal digits it has is: 12
• The sum of 138472971147's digits is 54
• More coming soon!