139938384040

Names of 139938384040

• Cardinal: 139938384040 can be written as One hundred thirty-nine billion, nine hundred thirty-eight million, three hundred eighty-four thousand and forty.

Scientific notation

• Scientific notation: 1.3993838404 × 10¹¹

Factors of 139938384040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 193415

Divisors of 139938384040

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 182 199 260 280 364 398 455 520 728 796 910 995 1393 1592 1820 1990 2587 2786 3640 3980 5174 5572 6965 7960 10348 11144 12935 13930 18109 20696 25870 27860 36218 51740 55720 72436 90545 103480 144872 181090 193189 362180 386378 724360 772756 965945 1352323 1545512 1931890 2511457 2704646 3863780 5022914 5409292 6761615 7727560 10045828 10818584 12557285 13523230 17580199 20091656 25114570 27046460 35160398 38444611 50229140 54092920 70320796 76889222 87900995 100458280 140641592 153778444 175801990 192223055 269112277 307556888 351603980 384446110 499779943 538224554 703207960 768892220 999559886 1076449108 1345561385 1537784440 1999119772 2152898216 2498899715 2691122770 3498459601 3998239544 4997799430 5382245540 6996919202 9995598860 10764491080 13993838404 17492298005 19991197720 27987676808 34984596010 69969192020 139938384040
• Sum of all divisors σ(n): 389471040000
• Sum of proper divisors (its aliquot sum) s(n): 249532655960
• 139938384040 is an abundant number, because the sum of its proper divisors (249532655960) is greater than itself. Its abundance is 109594271920

Bases of 139938384040

• Binary: 10000010010100111110100100100010101000₂
• Hexadecimal: 0x2094FA48A8
• Base-36: 1SABP86G

Squares and roots of 139938384040

• 139938384040 squared (139938384040²) is 19582751327726526721600
• 139938384040 cubed (139938384040³) is 2740378575859214596462582963264000
• The square root of 139938384040 is 374083.3918259403
• The cube root of 139938384040 is 5191.7322269531

Scales and comparisons

• 139,938,384,040 seconds is equal to 4,449 years, 31 weeks, 4 days, 5 hours, 20 minutes, 40 seconds.
• To count from 1 to 139,938,384,040 would take you about eight thousand, eight hundred ninety-nine 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 139938384040 cubic inches would be around 432.6 feet tall.

Recreational maths with 139938384040

• 139938384040 backwards is 040483839931
• 139938384040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139938384040's digits is 52
• More coming soon!