18016258995

Names of 18016258995

• Cardinal: 18016258995 can be written as Eighteen billion, sixteen million, two hundred fifty-eight thousand, nine hundred ninety-five.

Scientific notation

• Scientific notation: 1.8016258995 × 10¹⁰

Factors of 18016258995

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5072

Divisors of 18016258995

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 31 35 45 49 53 63 93 105 147 155 159 217 245 265 279 315 371 441 465 477 651 735 795 1085 1113 1395 1519 1643 1855 1953 2205 2385 2597 3255 3339 4557 4929 4973 5565 7595 7791 8215 9765 11501 12985 13671 14787 14919 16695 22785 23373 24645 24865 34503 34811 38955 44757 57505 68355 73935 74595 80507 103509 104433 116865 154163 172515 174055 223785 241521 243677 263569 313299 402535 462489 517545 522165 724563 731031 770815 790707 1079141 1207605 1218385 1317845 1387467 1566495 1844983 2193093 2312445 2372121 3237423 3622815 3655155 3953535 5395705 5534949 6937335 7553987 8170639 9224915 9712269 10965465 11860605 12914881 16187115 16604847 22661961 24511917 27674745 37769935 38744643 40853195 48561345 57194473 64574405 67985883 73535751 83024235 113309805 116233929 122559585 171583419 193723215 285972365 339929415 367678755 400361311 514750257 581169645 857917095 1201083933 2001806555 2573751285 3603251799 6005419665 18016258995
• Sum of all divisors σ(n): 38213690112
• Sum of proper divisors (its aliquot sum) s(n): 20197431117
• 18016258995 is an abundant number, because the sum of its proper divisors (20197431117) is greater than itself. Its abundance is 2181172122

Bases of 18016258995

• Binary: 10000110001110110100100101110110011₂
• Hexadecimal: 0x431DA4BB3
• Base-36: 89YEYER

Squares and roots of 18016258995

• 18016258995 squared (18016258995²) is 324585588174918410025
• 18016258995 cubed (18016258995³) is 5847818022603739438004004424875
• The square root of 18016258995 is 134224.6586697095
• The cube root of 18016258995 is 2621.5302423185

Scales and comparisons

• 18,016,258,995 seconds is equal to 572 years, 44 weeks, 5 days, 12 hours, 23 minutes, 15 seconds.
• To count from 1 to 18,016,258,995 would take you about one thousand, one hundred forty-five 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 18016258995 cubic inches would be around 218.5 feet tall.

Recreational maths with 18016258995

• 18016258995 backwards is 59985261081
• The number of decimal digits it has is: 11
• The sum of 18016258995's digits is 54
• More coming soon!