161840868074900

Names of 161840868074900

• Cardinal: 161840868074900 can be written as One hundred sixty-one trillion, eight hundred forty billion, eight hundred sixty-eight million, seventy-four thousand, nine hundred.

Scientific notation

• Scientific notation: 1.618408680749 × 10¹⁴

Factors of 161840868074900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1367282

Divisors of 161840868074900

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 197677 395354 790708 988385 1169591 1383739 1976770 2339182 2767478 3953540 4678364 4941925 5534956 5847955 6918695 8187137 9883850 11695910 13837390 16374274 19767700 23391820 27674780 29239775 32748548 34593475 40935685 58479550 69186950 81871370 116959100 138373900 163742740 204678425 409356850 818713700 231201240107 462402480214 924804960428 1156006200535 1618408680749 2312012401070 3236817361498 4624024802140 5780031002675 6473634722996 8092043403745 11560062005350 16184086807490 23120124010700 32368173614980 40460217018725 80920434037450 161840868074900
• Sum of all divisors σ(n): 401367726404736
• Sum of proper divisors (its aliquot sum) s(n): 239526858329836
• 161840868074900 is an abundant number, because the sum of its proper divisors (239526858329836) is greater than itself. Its abundance is 77685990254936

Bases of 161840868074900

• Binary: 100100110011000110000011011100111010010110010100₂
• Hexadecimal: 0x93318373A594
• Base-36: 1LD8O28SR8

Squares and roots of 161840868074900

• 161840868074900 squared (161840868074900²) is 26192466579237186032010010000
• 161840868074900 cubed (161840868074900³) is 4239011528206552712082841036886229749000000
• The square root of 161840868074900 is 12721669.2330409219
• The cube root of 161840868074900 is 54495.7624373949

Scales and comparisons

• 161,840,868,074,900 seconds is equal to 5,146,038 years, 51 weeks, 6 days, 7 hours, 28 minutes, 20 seconds.
• To count from 1 to 161,840,868,074,900 would take you about twelve million, eight hundred sixty-five thousand and ninety-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 161840868074900 cubic inches would be around 4541.3 feet tall.

Recreational maths with 161840868074900

• 161840868074900 backwards is 009470868048161
• The number of decimal digits it has is: 15
• The sum of 161840868074900's digits is 62
• More coming soon!