138976488

Names of 138976488

• Cardinal: 138976488 can be written as One hundred thirty-eight million, nine hundred seventy-six thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38976488 × 10⁸

Factors of 138976488

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 685

Divisors of 138976488

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 23 24 28 36 38 42 46 56 57 63 69 72 76 84 92 114 126 133 138 152 161 168 171 184 207 228 252 266 276 322 342 399 414 437 456 483 504 532 552 631 644 684 798 828 874 966 1064 1197 1262 1288 1311 1368 1449 1596 1656 1748 1893 1932 2394 2524 2622 2898 3059 3192 3496 3786 3864 3933 4417 4788 5048 5244 5679 5796 6118 7572 7866 8834 9177 9576 10488 11358 11592 11989 12236 13251 14513 15144 15732 17668 18354 22716 23978 24472 26502 27531 29026 31464 35336 35967 36708 39753 43539 45432 47956 53004 55062 58052 71934 73416 79506 83923 87078 95912 101591 106008 107901 110124 116104 130617 143868 159012 167846 174156 203182 215802 220248 251769 261234 275747 287736 304773 318024 335692 348312 406364 431604 503538 522468 551494 609546 671384 755307 812728 827241 863208 914319 1007076 1044936 1102988 1219092 1510614 1654482 1828638 1930229 2014152 2205976 2438184 2481723 3021228 3308964 3657276 3860458 4963446 5790687 6042456 6617928 7314552 7720916 9926892 11581374 15441832 17372061 19853784 23162748 34744122 46325496 69488244 138976488
• Sum of all divisors σ(n): 473241600
• Sum of proper divisors (its aliquot sum) s(n): 334265112
• 138976488 is an abundant number, because the sum of its proper divisors (334265112) is greater than itself. Its abundance is 195288624

Bases of 138976488

• Binary: 1000010010001001110011101000₂
• Hexadecimal: 0x8489CE8
• Base-36: 2AQQY0

Squares and roots of 138976488

• 138976488 squared (138976488²) is 19314464216814144
• 138976488 cubed (138976488³) is 2684256404454500281846272
• The square root of 138976488 is 11788.8289494757
• The cube root of 138976488 is 517.9809377659

Scales and comparisons

• 138,976,488 seconds is equal to 4 years, 21 weeks, 5 days, 12 hours, 34 minutes, 48 seconds.
• To count from 1 to 138,976,488 would take you about 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 138976488 cubic inches would be around 43.2 feet tall.

Recreational maths with 138976488

• 138976488 backwards is 884679831
• The number of decimal digits it has is: 9
• The sum of 138976488's digits is 54
• More coming soon!