90234800640

Names of 90234800640

• Cardinal: 90234800640 can be written as Ninety billion, two hundred thirty-four million, eight hundred thousand, six hundred forty.

Scientific notation

• Scientific notation: 9.023480064 × 10¹⁰

Factors of 90234800640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1989

Divisors of 90234800640

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1152 1280 1440 1536 1920 1979 2304 2560 2880 3840 3958 4608 5760 5937 7680 7916 9895 11520 11874 15832 17811 19790 23040 23748 29685 31664 35622 39580 47496 59370 63328 71244 79160 89055 94992 118740 126656 142488 158320 178110 189984 237480 253312 284976 316640 356220 379968 474960 506624 569952 633280 712440 759936 949920 1013248 1139904 1266560 1424880 1519872 1899840 2279808 2533120 2849760 3039744 3799680 3916441 4559616 5066240 5699520 7599360 7832882 9119232 11399040 11749323 15198720 15665764 19582205 22798080 23498646 31331528 35247969 39164410 45596160 46997292 58746615 62663056 70495938 78328820 93994584 117493230 125326112 140991876 156657640 176239845 187989168 234986460 250652224 281983752 313315280 352479690 375978336 469972920 501304448 563967504 626630560 704959380 751956672 939945840 1002608896 1127935008 1253261120 1409918760 1503913344 1879891680 2005217792 2255870016 2506522240 2819837520 3007826688 3759783360 4511740032 5013044480 5639675040 6015653376 7519566720 9023480064 10026088960 11279350080 15039133440 18046960128 22558700160 30078266880 45117400320 90234800640
• Sum of all divisors σ(n): 312666485274
• Sum of proper divisors (its aliquot sum) s(n): 222431684634
• 90234800640 is an abundant number, because the sum of its proper divisors (222431684634) is greater than itself. Its abundance is 132196883994

Bases of 90234800640

• Binary: 1010100000010011010011100101000000000₂
• Hexadecimal: 0x150269CA00
• Base-36: 15GBGXS0

Squares and roots of 90234800640

• 90234800640 squared (90234800640²) is 8142319246540544409600
• 90234800640 cubed (90234800640³) is 734720553958821034477322502144000
• The square root of 90234800640 is 300391.0794947143
• The cube root of 90234800640 is 4485.2985353269

Scales and comparisons

• 90,234,800,640 seconds is equal to 2,869 years, 9 weeks, 5 days, 6 hours, 24 minutes.
• To count from 1 to 90,234,800,640 would take you about five thousand, seven hundred thirty-eight 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 90234800640 cubic inches would be around 373.8 feet tall.

Recreational maths with 90234800640

• 90234800640 backwards is 04600843209
• 90234800640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 90234800640's digits is 36
• More coming soon!