68321921400

Names of 68321921400

• Cardinal: 68321921400 can be written as Sixty-eight billion, three hundred twenty-one million, nine hundred twenty-one thousand, four hundred.

Scientific notation

• Scientific notation: 6.83219214 × 10¹⁰

Factors of 68321921400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 105172

Divisors of 68321921400

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 25 30 36 38 40 45 50 57 60 72 75 76 90 95 100 114 120 150 152 171 180 190 200 225 228 285 300 342 360 361 380 450 456 475 570 600 684 722 760 855 900 950 1083 1140 1368 1425 1444 1710 1800 1805 1900 2166 2280 2850 2888 3249 3420 3610 3800 4275 4332 5415 5700 6498 6840 7220 8550 8664 9025 10830 11400 12996 14440 16245 17100 18050 21660 25992 27075 32490 34200 36100 43320 54150 64980 72200 81225 105143 108300 129960 162450 210286 216600 315429 324900 420572 525715 630858 649800 841144 946287 1051430 1261716 1577145 1892574 1997717 2102860 2523432 2628575 3154290 3785148 3995434 4205720 4731435 5257150 5993151 6308580 7570296 7885725 7990868 9462870 9988585 10514300 11986302 12617160 15771450 15981736 17979453 18925740 19977170 21028600 23657175 23972604 29965755 31542900 35958906 37851480 37956623 39954340 47314350 47945208 49942925 59931510 63085800 71917812 75913246 79908680 89897265 94628700 99885850 113869869 119863020 143835624 149828775 151826492 179794530 189257400 189783115 199771700 227739738 239726040 299657550 303652984 341609607 359589060 379566230 399543400 449486325 455479476 569349345 599315100 683219214 719178120 759132460 898972650 910958952 948915575 1138698690 1198630200 1366438428 1518264920 1708048035 1797945300 1897831150 2277397380 2732876856 2846746725 3416096070 3595890600 3795662300 4554794760 5693493450 6832192140 7591324600 8540240175 11386986900 13664384280 17080480350 22773973800 34160960700 68321921400
• Sum of all divisors σ(n): 242161877880
• Sum of proper divisors (its aliquot sum) s(n): 173839956480
• 68321921400 is an abundant number, because the sum of its proper divisors (173839956480) is greater than itself. Its abundance is 105518035080

Bases of 68321921400

• Binary: 111111101000010011011100100101111000₂
• Hexadecimal: 0xFE84DC978
• Base-36: VDX3VY0

Squares and roots of 68321921400

• 68321921400 squared (68321921400²) is 4667884943787777960000
• 68321921400 cubed (68321921400³) is 318918868233711984063772344000000
• The square root of 68321921400 is 261384.6234957213
• The cube root of 68321921400 is 4088.0860041355

Scales and comparisons

• 68,321,921,400 seconds is equal to 2,172 years, 22 weeks, 23 hours, 30 minutes.
• To count from 1 to 68,321,921,400 would take you about four thousand, three hundred forty-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 68321921400 cubic inches would be around 340.7 feet tall.

Recreational maths with 68321921400

• 68321921400 backwards is 00412912386
• 68321921400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 68321921400's digits is 36
• More coming soon!