1680654718909440

Names of 1680654718909440

• Cardinal: 1680654718909440 can be written as One quadrillion, six hundred eighty trillion, six hundred fifty-four billion, seven hundred eighteen million, nine hundred nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.68065471890944 × 10¹⁵

Factors of 1680654718909440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 4052504637

Divisors of 1680654718909440

• Number of divisors d(n): 220
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 256 270 288 320 324 360 384 405 432 480 512 540 576 640 648 720 768 810 864 960 1024 1080 1152 1280 1296 1440 1536 1620 1728 1920 2160 2304 2560 2592 2880 3072 3240 3456 3840 4320 4608 5120 5184 5760 6480 6912 7680 8640 9216 10368 11520 12960 13824 15360 17280 20736 23040 25920 27648 34560 41472 46080 51840 69120 82944 103680 138240 207360 414720 4052504627 8105009254 12157513881 16210018508 20262523135 24315027762 32420037016 36472541643 40525046270 48630055524 60787569405 64840074032 72945083286 81050092540 97260111048 109417624929 121575138810 129680148064 145890166572 162100185080 182362708215 194520222096 218835249858 243150277620 259360296128 291780333144 324200370160 328252874787 364725416430 389040444192 437670499716 486300555240 518720592256 547088124645 583560666288 648400740320 656505749574 729450832860 778080888384 875340999432 972601110480 1037441184512 1094176249290 1167121332576 1296801480640 1313011499148 1458901665720 1556161776768 1641264373935 1750681998864 1945202220960 2074882369024 2188352498580 2334242665152 2593602961280 2626022998296 2917803331440 3112323553536 3282528747870 3501363997728 3890404441920 4149764738048 4376704997160 4668485330304 5187205922560 5252045996592 5835606662880 6224647107072 6565057495740 7002727995456 7780808883840 8753409994320 9336970660608 10374411845120 10504091993184 11671213325760 12449294214144 13130114991480 14005455990912 15561617767680 17506819988640 18673941321216 20748823690240 21008183986368 23342426651520 26260229982960 28010911981824 31123235535360 35013639977280 37347882642432 42016367972736 46684853303040 52520459965920 56021823963648 62246471070720 70027279954560 84032735945472 93369706606080 105040919931840 112043647927296 140054559909120 168065471890944 186739413212160 210081839863680 280109119818240 336130943781888 420163679727360 560218239636480 840327359454720 1680654718909440
• Sum of all divisors σ(n): 6022516282772616
• Sum of proper divisors (its aliquot sum) s(n): 4341861563863176
• 1680654718909440 is an abundant number, because the sum of its proper divisors (4341861563863176) is greater than itself. Its abundance is 2661206844953736

Bases of 1680654718909440

• Binary: 101111110001000101111101011100000101011110000000000₂
• Hexadecimal: 0x5F88BEB82BC00
• Base-36: GJQQ4AF400

Squares and roots of 1680654718909440

• 1680654718909440 squared (1680654718909440²) is 2824600284192568778302921113600
• 1680654718909440 cubed (1680654718909440³) is 4747177796661186020250390152493462542352384000
• The square root of 1680654718909440 is 40995789.0387468943
• The cube root of 1680654718909440 is 118893.8798991987

Scales and comparisons

• 1,680,654,718,909,440 seconds is equal to 53,439,621 years, 23 weeks, 4 days, 14 hours, 24 minutes.
• To count from 1 to 1,680,654,718,909,440 would take you about one hundred sixty million, three hundred eighteen thousand, eight hundred sixty-four 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 1680654718909440 cubic inches would be around 9907.8 feet tall.

Recreational maths with 1680654718909440

• 1680654718909440 backwards is 0449098174560861
• 1680654718909440 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1680654718909440's digits is 72
• More coming soon!