90905669166816

Names of 90905669166816

• Cardinal: 90905669166816 can be written as Ninety trillion, nine hundred five billion, six hundred sixty-nine million, one hundred sixty-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 9.0905669166816 × 10¹³

Factors of 90905669166816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 70795

Divisors of 90905669166816

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 252 288 324 336 378 432 504 567 648 672 756 864 1008 1134 1296 1512 2016 2268 2592 3024 4536 6048 9072 18144 70783 141566 212349 283132 424698 495481 566264 637047 849396 990962 1132528 1274094 1486443 1698792 1911141 1981924 2265056 2548188 2972886 3397584 3822282 3963848 4459329 5096376 5733423 5945772 6795168 7644564 7927696 8918658 10192752 11466846 11891544 13377987 15289128 15855392 17837316 20385504 22933692 23783088 26755974 30578256 35674632 40133961 45867384 47566176 53511948 61156512 71349264 80267922 91734768 107023896 142698528 160535844 183469536 214047792 321071688 428095584 642143376 1284286752 5010233089 10020466178 15030699267 20040932356 30061398534 35071631623 40081864712 45092097801 60122797068 70143263246 80163729424 90184195602 105214894869 120245594136 135276293403 140286526492 160327458848 180368391204 210429789738 240491188272 270552586806 280573052984 315644684607 360736782408 405828880209 420859579476 480982376544 541105173612 561146105968 631289369214 721473564816 811657760418 841719158952 946934053821 1082210347224 1122292211936 1262578738428 1442947129632 1623315520836 1683438317904 1893868107642 2164420694448 2525157476856 2840802161463 3246631041672 3366876635808 3787736215284 4328841388896 5050314953712 5681604322926 6493262083344 7575472430568 10100629907424 11363208645852 12986524166688 15150944861136 22726417291704 30301889722272 45452834583408 90905669166816
• Sum of all divisors σ(n): 305548371391032
• Sum of proper divisors (its aliquot sum) s(n): 214642702224216
• 90905669166816 is an abundant number, because the sum of its proper divisors (214642702224216) is greater than itself. Its abundance is 123737033057400

Bases of 90905669166816

• Binary: 10100101010110110100000000111100110011011100000₂
• Hexadecimal: 0x52ADA01E66E0
• Base-36: W81HKB200

Squares and roots of 90905669166816

• 90905669166816 squared (90905669166816²) is 8263840686666601187635577856
• 90905669166816 cubed (90905669166816³) is 751229967509387608905182476917882219626496
• The square root of 90905669166816 is 9534446.4530887161
• The cube root of 90905669166816 is 44963.8671539661

Scales and comparisons

• 90,905,669,166,816 seconds is equal to 2,890,519 years, 4 weeks, 4 days, 16 hours, 33 minutes, 36 seconds.
• To count from 1 to 90,905,669,166,816 would take you about seven million, two hundred twenty-six thousand, two hundred 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 90905669166816 cubic inches would be around 3747 feet tall.

Recreational maths with 90905669166816

• 90905669166816 backwards is 61866196650909
• 90905669166816 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 90905669166816's digits is 72
• More coming soon!