90068640768

Names of 90068640768

• Cardinal: 90068640768 can be written as Ninety billion, sixty-eight million, six hundred forty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 9.0068640768 × 10¹⁰

Factors of 90068640768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 4283

Divisors of 90068640768

• Number of divisors d(n): 220
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 271 288 324 384 432 512 542 576 648 768 813 864 1024 1084 1152 1296 1536 1626 1728 2168 2304 2439 2592 3072 3252 3456 4007 4336 4608 4878 5184 6504 6912 7317 8014 8672 9216 9756 10368 12021 13008 13824 14634 16028 17344 19512 20736 21951 24042 26016 27648 29268 32056 34688 36063 39024 41472 43902 48084 52032 58536 64112 69376 72126 78048 82944 87804 96168 104064 108189 117072 128224 138752 144252 156096 175608 192336 208128 216378 234144 256448 277504 288504 312192 324567 351216 384672 416256 432756 468288 512896 577008 624384 649134 702432 769344 832512 865512 936576 1025792 1085897 1154016 1248768 1298268 1404864 1538688 1731024 1873152 2051584 2171794 2308032 2497536 2596536 2809728 3077376 3257691 3462048 3746304 4103168 4343588 4616064 5193072 5619456 6154752 6515382 6924096 7492608 8687176 9232128 9773073 10386144 11238912 12309504 13030764 13848192 17374352 18464256 19546146 20772288 22477824 26061528 27696384 29319219 34748704 36928512 39092292 41544576 52123056 55392768 58638438 69497408 78184584 83089152 87957657 104246112 110785536 117276876 138994816 156369168 166178304 175915314 208492224 234553752 277989632 312738336 332356608 351830628 416984448 469107504 555979264 625476672 703661256 833968896 938215008 1111958528 1250953344 1407322512 1667937792 1876430016 2501906688 2814645024 3335875584 3752860032 5003813376 5629290048 7505720064 10007626752 11258580096 15011440128 22517160192 30022880256 45034320384 90068640768
• Sum of all divisors σ(n): 270022422912
• Sum of proper divisors (its aliquot sum) s(n): 179953782144
• 90068640768 is an abundant number, because the sum of its proper divisors (179953782144) is greater than itself. Its abundance is 89885141376

Bases of 90068640768

• Binary: 1010011111000100000100110010000000000₂
• Hexadecimal: 0x14F8826400
• Base-36: 15DKJK00

Squares and roots of 90068640768

• 90068640768 squared (90068640768²) is 8112360049795031629824
• 90068640768 cubed (90068640768³) is 730669243105663295897815411064832
• The square root of 90068640768 is 300114.3794755593
• The cube root of 90068640768 is 4482.5437424653

Scales and comparisons

• 90,068,640,768 seconds is equal to 2,863 years, 47 weeks, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 90,068,640,768 would take you about five thousand, seven hundred twenty-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 90068640768 cubic inches would be around 373.5 feet tall.

Recreational maths with 90068640768

• 90068640768 backwards is 86704686009
• 90068640768 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 90068640768's digits is 54
• More coming soon!