61681931481737216

Names of 61681931481737216

• Cardinal: 61681931481737216 can be written as Sixty-one quadrillion, six hundred eighty-one trillion, nine hundred thirty-one billion, four hundred eighty-one million, seven hundred thirty-seven thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 6.1681931481737216 × 10¹⁶

Factors of 61681931481737216

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1522112

Divisors of 61681931481737216

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 512 832 1024 1664 2048 3328 6656 13312 26624 1522097 3044194 6088388 12176776 19787261 24353552 39574522 48707104 79149044 97414208 158298088 194828416 316596176 389656832 633192352 779313664 1266384704 1558627328 2532769408 3117254656 5065538816 10131077632 20262155264 40524310528 2316779277409 4633558554818 9267117109636 18534234219272 30118130606317 37068468438544 60236261212634 74136936877088 120472522425268 148273873754176 240945044850536 296547747508352 481890089701072 593095495016704 963780179402144 1186190990033408 1927560358804288 2372381980066816 3855120717608576 4744763960133632 7710241435217152 15420482870434304 30840965740868608 61681931481737216
• Sum of all divisors σ(n): 132821043235736310
• Sum of proper divisors (its aliquot sum) s(n): 71139111753999094
• 61681931481737216 is an abundant number, because the sum of its proper divisors (71139111753999094) is greater than itself. Its abundance is 9457180272261878

Bases of 61681931481737216

• Binary: 11011011001000110110001111001111000001110110100000000000₂
• Hexadecimal: 0xDB2363CF076800
• Base-36: GVCF44VY77K

Squares and roots of 61681931481737216

• 61681931481737216 squared (61681931481737216²) is 3804660671317724666958937279430656
• 61681931481737216 cubed (61681931481737216³) is 234678818839480211609650881618495073988274286493696
• The square root of 61681931481737216 is 248358473.7465931843
• The cube root of 61681931481737216 is 395111.1826777359

Scales and comparisons

• 61,681,931,481,737,216 seconds is equal to 1,961,294,626 years, 19 weeks, 4 days, 14 hours, 6 minutes, 56 seconds.
• To count from 1 to 61,681,931,481,737,216 would take you about five billion, eight hundred eighty-three million, eight hundred eighty-three thousand, eight hundred seventy-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 61681931481737216 cubic inches would be around 32925.9 feet tall.

Recreational maths with 61681931481737216

• 61681931481737216 backwards is 61273718413918616
• The number of decimal digits it has is: 17
• The sum of 61681931481737216's digits is 74
• More coming soon!