801225217920

Names of 801225217920

• Cardinal: 801225217920 can be written as Eight hundred one billion, two hundred twenty-five million, two hundred seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 8.0122521792 × 10¹¹

Factors of 801225217920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 18143720

Divisors of 801225217920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 128 138 160 184 192 230 240 276 320 345 368 384 460 480 552 640 690 736 920 960 1104 1380 1472 1840 1920 2208 2760 2944 3680 4416 5520 7360 8832 11040 14720 22080 44160 18143687 36287374 54431061 72574748 90718435 108862122 145149496 181436870 217724244 272155305 290298992 362873740 417304801 435448488 544310610 580597984 725747480 834609602 870896976 1088621220 1161195968 1251914403 1451494960 1669219204 1741793952 2086524005 2177242440 2322391936 2503828806 2902989920 3338438408 3483587904 4173048010 4354484880 5007657612 5805979840 6259572015 6676876816 6967175808 8346096020 8708969760 10015315224 11611959680 12519144030 13353753632 16692192040 17417939520 20030630448 25038288060 26707507264 33384384080 34835879040 40061260896 50076576120 53415014528 66768768160 80122521792 100153152240 133537536320 160245043584 200306304480 267075072640 400612608960 801225217920
• Sum of all divisors σ(n): 2664944893440
• Sum of proper divisors (its aliquot sum) s(n): 1863719675520
• 801225217920 is an abundant number, because the sum of its proper divisors (1863719675520) is greater than itself. Its abundance is 1062494457600

Bases of 801225217920

• Binary: 1011101010001100101111101001011110000000₂
• Hexadecimal: 0xBA8CBE9780
• Base-36: A82ST2TC

Squares and roots of 801225217920

• 801225217920 squared (801225217920²) is 641961849830951489126400
• 801225217920 cubed (801225217920³) is 514356023027130422036248350425088000
• The square root of 801225217920 is 895111.8465979543
• The cube root of 801225217920 is 9287.9143814335

Scales and comparisons

• 801,225,217,920 seconds is equal to 25,476 years, 25 weeks, 1 day, 32 minutes.
• To count from 1 to 801,225,217,920 would take you about fifty thousand, nine hundred fifty-two 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 801225217920 cubic inches would be around 774 feet tall.

Recreational maths with 801225217920

• 801225217920 backwards is 029712522108
• The number of decimal digits it has is: 12
• The sum of 801225217920's digits is 39
• More coming soon!