18357711138

Names of 18357711138

• Cardinal: 18357711138 can be written as Eighteen billion, three hundred fifty-seven million, seven hundred eleven thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8357711138 × 10¹⁰

Factors of 18357711138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 311

Divisors of 18357711138

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 13 18 26 29 39 58 78 87 97 117 167 174 194 234 261 291 334 377 501 522 582 754 873 1002 1131 1261 1503 1746 2171 2262 2522 2813 3006 3393 3783 4342 4843 5626 6513 6786 7566 8439 9686 11349 13026 14529 16199 16878 19539 22698 25317 27889 29058 32398 36569 39078 43587 48597 50634 55778 62959 73138 83667 87174 97194 109707 125918 145791 167334 188877 210587 219414 251001 291582 329121 362557 377754 421174 469771 502002 566631 631761 658242 725114 808781 939542 1087671 1133262 1263522 1409313 1617562 1895283 2175342 2426343 2705233 2818626 3263013 3790566 4227939 4852686 5410466 6107023 6526026 7279029 8115699 8455878 10514153 12214046 14558058 16231398 18321069 21028306 24347097 31542459 35168029 36642138 48694194 54963207 63084918 70336058 78451757 94627377 105504087 109926414 156903514 189254754 211008174 235355271 316512261 470710542 633024522 706065813 1019872841 1412131626 2039745682 3059618523 6119237046 9178855569 18357711138
• Sum of all divisors σ(n): 45038218680
• Sum of proper divisors (its aliquot sum) s(n): 26680507542
• 18357711138 is an abundant number, because the sum of its proper divisors (26680507542) is greater than itself. Its abundance is 8322796404

Bases of 18357711138

• Binary: 10001000110001101000111000100100010₂
• Hexadecimal: 0x446347122
• Base-36: 8FLPGKI

Squares and roots of 18357711138

• 18357711138 squared (18357711138²) is 337005558226249255044
• 18357711138 cubed (18357711138³) is 6186650689817923473285441480072
• The square root of 18357711138 is 135490.6311816429
• The cube root of 18357711138 is 2637.9881719813

Scales and comparisons

• 18,357,711,138 seconds is equal to 583 years, 37 weeks, 2 days, 12 hours, 12 minutes, 18 seconds.
• To count from 1 to 18,357,711,138 would take you about one thousand, one hundred sixty-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 18357711138 cubic inches would be around 219.8 feet tall.

Recreational maths with 18357711138

• 18357711138 backwards is 83111775381
• The number of decimal digits it has is: 11
• The sum of 18357711138's digits is 45
• More coming soon!