138184393728

Names of 138184393728

• Cardinal: 138184393728 can be written as One hundred thirty-eight billion, one hundred eighty-four million, three hundred ninety-three thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38184393728 × 10¹¹

Factors of 138184393728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 39290

Divisors of 138184393728

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 32 37 48 62 64 74 93 96 111 124 128 148 186 192 222 248 256 296 372 384 444 496 512 592 744 768 888 992 1024 1147 1184 1488 1536 1776 1984 2294 2368 2976 3072 3441 3552 3968 4588 4736 5952 6882 7104 7936 9176 9472 11904 13764 14208 15872 18352 18944 23808 27528 28416 31744 36704 37888 39217 47616 55056 56832 73408 78434 95232 110112 113664 117651 146816 156868 220224 235302 293632 313736 440448 470604 587264 627472 880896 941208 1174528 1215727 1254944 1451029 1761792 1882416 2431454 2509888 2902058 3523584 3647181 3764832 4353087 4862908 5019776 5804116 7294362 7529664 8706174 9725816 10039552 11608232 14588724 15059328 17412348 19451632 20079104 23216464 29177448 30118656 34824696 38903264 40158208 44981899 46432928 58354896 60237312 69649392 77806528 89963798 92865856 116709792 120474624 134945697 139298784 155613056 179927596 185731712 233419584 269891394 278597568 311226112 359855192 371463424 466839168 539782788 557195136 622452224 719710384 742926848 933678336 1079565576 1114390272 1244904448 1439420768 1485853696 1867356672 2159131152 2228780544 2878841536 3734713344 4318262304 4457561088 5757683072 8636524608 11515366144 17273049216 23030732288 34546098432 46061464576 69092196864 138184393728
• Sum of all divisors σ(n): 390478252544
• Sum of proper divisors (its aliquot sum) s(n): 252293858816
• 138184393728 is an abundant number, because the sum of its proper divisors (252293858816) is greater than itself. Its abundance is 114109465088

Bases of 138184393728

• Binary: 10000000101100011011101000010000000000₂
• Hexadecimal: 0x202C6E8400
• Base-36: 1RHBF4LC

Squares and roots of 138184393728

• 138184393728 squared (138184393728²) is 19094926669974925737984
• 138184393728 cubed (138184393728³) is 2638620865171103054065142020964352
• The square root of 138184393728 is 371731.6151849341
• The cube root of 138184393728 is 5169.9498755907

Scales and comparisons

• 138,184,393,728 seconds is equal to 4,393 years, 43 weeks, 3 days, 9 hours, 48 minutes, 48 seconds.
• To count from 1 to 138,184,393,728 would take you about eight thousand, seven hundred eighty-seven 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 138184393728 cubic inches would be around 430.8 feet tall.

Recreational maths with 138184393728

• 138184393728 backwards is 827393481831
• The number of decimal digits it has is: 12
• The sum of 138184393728's digits is 57
• More coming soon!