138398951548

Names of 138398951548

• Cardinal: 138398951548 can be written as One hundred thirty-eight billion, three hundred ninety-eight million, nine hundred fifty-one thousand, five hundred forty-eight.

Scientific notation

• Scientific notation: 1.38398951548 × 10¹¹

Factors of 138398951548

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 372

Divisors of 138398951548

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 11 13 22 26 31 37 44 52 62 74 121 124 127 143 148 151 242 254 286 302 341 403 407 481 484 508 572 604 682 806 814 962 1147 1364 1397 1573 1612 1628 1651 1661 1924 1963 2294 2794 3146 3302 3322 3751 3926 3937 4433 4477 4588 4681 4699 5291 5587 5588 6292 6604 6644 7502 7852 7874 8866 8954 9362 9398 10582 11174 12617 14911 15004 15367 15748 17732 17908 18161 18271 18724 18796 19177 21164 21593 22348 25234 29822 30734 36322 36542 38354 43186 43307 48763 50468 51181 51491 51689 58201 59644 60853 61087 61457 61468 72631 72644 73084 76708 86372 86614 97526 102362 102982 103378 116402 121706 122174 122914 138787 145262 145669 164021 173197 173228 195052 199771 204724 205964 206756 210947 232804 237523 243412 244348 245828 249301 277574 290524 291338 328042 346394 399542 421894 475046 476377 498602 555148 562991 566401 568579 582676 594487 656084 669383 671957 676027 692788 709549 798941 799084 843788 950092 952754 997204 1125982 1132802 1137158 1188974 1338766 1343914 1352054 1419098 1597882 1602359 1804231 1893697 1905167 1905508 2251561 2251964 2265604 2274316 2320417 2377948 2677532 2687828 2704108 2742311 2838196 3195764 3204718 3608462 3787394 3810334 4503122 4640834 5484622 6192901 6409436 6539357 7216924 7363213 7391527 7574788 7620668 7728331 7805039 8788351 9006244 9224137 9281668 10969244 12385802 13078714 14726426 14783054 15456662 15610078 17576702 17625949 18448274 20830667 20956837 21996019 24767171 24771604 26157428 29452852 29566108 30165421 30913324 31220156 35153404 35251898 36896548 41661334 41913674 43992038 49534342 60330842 70503796 71932927 83322668 83827348 85011641 85855429 87984076 99068684 101465507 120661684 143865854 170023282 171710858 202931014 229137337 241956209 272438881 285948247 287731708 340046564 343421716 405862028 458274674 483912418 544877762 571896494 916549348 935128051 967824836 1089755524 1116120577 1143792988 1870256102 2232241154 2661518299 3145430717 3740512204 4464482308 5323036598 6290861434 10646073196 12581722868 34599737887 69199475774 138398951548
• Sum of all divisors σ(n): 308364836864
• Sum of proper divisors (its aliquot sum) s(n): 169965885316
• 138398951548 is an abundant number, because the sum of its proper divisors (169965885316) is greater than itself. Its abundance is 31566933768

Bases of 138398951548

• Binary: 10000000111001001110000110100001111100₂
• Hexadecimal: 0x203938687C
• Base-36: 1RKV5UGS

Squares and roots of 138398951548

• 138398951548 squared (138398951548²) is 19154269789585651596304
• 138398951548 cubed (138398951548³) is 2650930856546184750272886151878592
• The square root of 138398951548 is 372020.0956238789
• The cube root of 138398951548 is 5172.6242720501

Scales and comparisons

• 138,398,951,548 seconds is equal to 4,400 years, 34 weeks, 1 day, 17 hours, 12 minutes, 28 seconds.
• To count from 1 to 138,398,951,548 would take you about eight thousand, eight hundred 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 138398951548 cubic inches would be around 431.1 feet tall.

Recreational maths with 138398951548

• 138398951548 backwards is 845159893831
• The number of decimal digits it has is: 12
• The sum of 138398951548's digits is 64
• More coming soon!