15312128238

Names of 15312128238

• Cardinal: 15312128238 can be written as Fifteen billion, three hundred twelve million, one hundred twenty-eight thousand, two hundred thirty-eight.

Scientific notation

• Scientific notation: 1.5312128238 × 10¹⁰

Factors of 15312128238

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 139

Divisors of 15312128238

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 9 11 18 22 23 29 33 46 58 66 69 71 87 99 138 142 174 198 207 213 253 261 319 414 426 506 522 529 638 639 667 759 781 957 1058 1278 1334 1518 1562 1587 1633 1914 2001 2059 2277 2343 2871 3174 3266 4002 4118 4554 4686 4761 4899 5041 5742 5819 6003 6177 7029 7337 9522 9798 10082 11638 12006 12354 14058 14674 14697 15123 15341 17457 17963 18531 22011 22649 29394 30246 30682 34914 35926 37062 37559 44022 45298 45369 46023 47357 52371 53889 55451 66033 67947 75118 90738 92046 94714 104742 107778 110902 112677 115943 132066 135894 138069 142071 146189 161667 166353 168751 203841 225354 231886 276138 284142 292378 323334 332706 337502 338031 347829 407682 413149 426213 438567 499059 506253 520927 676062 695658 826298 852426 877134 998118 1012506 1041854 1043487 1089211 1239447 1275373 1315701 1518759 1562781 1608079 2086974 2178422 2478894 2550746 2631402 2666689 3037518 3125562 3216158 3267633 3362347 3718341 3826119 4688343 4824237 5333378 6535266 6724694 7436682 7652238 8000067 9376686 9648474 9802899 10087041 11478357 11981321 14472711 16000134 19605798 20174082 22956714 23962642 24000201 28945422 29333579 30261123 35943963 36985817 48000402 58667158 60522246 71887926 73971634 77333981 88000737 107831889 110957451 154667962 176001474 215663778 221914902 232001943 264002211 332872353 464003886 528004422 665744706 696005829 850673791 1392011658 1701347582 2552021373 5104042746 7656064119 15312128238
• Sum of all divisors σ(n): 39697945560
• Sum of proper divisors (its aliquot sum) s(n): 24385817322
• 15312128238 is an abundant number, because the sum of its proper divisors (24385817322) is greater than itself. Its abundance is 9073689084

Bases of 15312128238

• Binary: 1110010000101011001000100011101110₂
• Hexadecimal: 0x390AC88EE
• Base-36: 718G1RI

Squares and roots of 15312128238

• 15312128238 squared (15312128238²) is 234461271176956984644
• 15312128238 cubed (15312128238³) is 3590101051106058539478724777272
• The square root of 15312128238 is 123742.1845532073
• The cube root of 15312128238 is 2483.2008746289

Scales and comparisons

• 15,312,128,238 seconds is equal to 486 years, 45 weeks, 4 days, 16 hours, 57 minutes, 18 seconds.
• To count from 1 to 15,312,128,238 would take you about nine hundred seventy-three 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 15312128238 cubic inches would be around 206.9 feet tall.

Recreational maths with 15312128238

• 15312128238 backwards is 83282121351
• The number of decimal digits it has is: 11
• The sum of 15312128238's digits is 36
• More coming soon!