138757980672

Names of 138757980672

• Cardinal: 138757980672 can be written as One hundred thirty-eight billion, seven hundred fifty-seven million, nine hundred eighty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.38757980672 × 10¹¹

Factors of 138757980672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 903

Divisors of 138757980672

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 41 48 64 72 82 96 123 128 144 164 192 246 256 288 328 369 384 492 512 576 656 738 768 857 984 1152 1312 1476 1536 1714 1968 2304 2571 2624 2952 3428 3936 4608 5142 5248 5904 6856 7713 7872 10284 10496 11808 13712 15426 15744 20568 20992 23616 27424 30852 31488 35137 41136 47232 54848 61704 62976 70274 82272 94464 105411 109696 123408 140548 164544 188928 210822 219392 246816 281096 316233 329088 421644 438784 493632 562192 632466 658176 734449 843288 987264 1124384 1264932 1316352 1468898 1686576 1974528 2203347 2248768 2529864 2937796 3373152 3949056 4406694 4497536 5059728 5875592 6610041 6746304 8813388 8995072 10119456 11751184 13220082 13492608 17626776 17990144 20238912 23502368 26440164 26985216 30112409 35253552 40477824 47004736 52880328 53970432 60224818 70507104 80955648 90337227 94009472 105760656 120449636 141014208 161911296 180674454 188018944 211521312 240899272 271011681 282028416 361348908 376037888 423042624 481798544 542023362 564056832 722697816 846085248 963597088 1084046724 1128113664 1445395632 1692170496 1927194176 2168093448 2890791264 3384340992 3854388352 4336186896 5781582528 7708776704 8672373792 11563165056 15417553408 17344747584 23126330112 34689495168 46252660224 69378990336 138757980672
• Sum of all divisors σ(n): 410711607306
• Sum of proper divisors (its aliquot sum) s(n): 271953626634
• 138757980672 is an abundant number, because the sum of its proper divisors (271953626634) is greater than itself. Its abundance is 133195645962

Bases of 138757980672

• Binary: 10000001001110100111101100001000000000₂
• Hexadecimal: 0x204E9EC200
• Base-36: 1RQSX340

Squares and roots of 138757980672

• 138757980672 squared (138757980672²) is 19253777200171125571584
• 138757980672 cubed (138757980672³) is 2671615244604339317154337624424448
• The square root of 138757980672 is 372502.3230424207
• The cube root of 138757980672 is 5177.0932827355

Scales and comparisons

• 138,757,980,672 seconds is equal to 4,412 years, 3 weeks, 6 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 138,757,980,672 would take you about eight thousand, eight hundred twenty-four 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 138757980672 cubic inches would be around 431.4 feet tall.

Recreational maths with 138757980672

• 138757980672 backwards is 276089757831
• The number of decimal digits it has is: 12
• The sum of 138757980672's digits is 63
• More coming soon!