21354923160

Names of 21354923160

• Cardinal: 21354923160 can be written as Twenty-one billion, three hundred fifty-four million, nine hundred twenty-three thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.135492316 × 10¹⁰

Factors of 21354923160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 20069

Divisors of 21354923160

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 27 30 36 40 43 45 46 54 60 69 72 86 90 92 108 115 120 129 135 138 172 180 184 207 215 216 230 258 270 276 344 345 360 387 414 430 460 516 540 552 621 645 690 774 828 860 920 989 1032 1035 1080 1161 1242 1290 1380 1548 1656 1720 1935 1978 2070 2322 2484 2580 2760 2967 3096 3105 3870 3956 4140 4644 4945 4968 5160 5805 5934 6210 7740 7912 8280 8901 9288 9890 11610 11868 12420 14835 15480 17802 19780 19993 23220 23736 24840 26703 29670 35604 39560 39986 44505 46440 53406 59340 59979 71208 79972 89010 99965 106812 118680 119958 133515 159944 178020 179937 199930 213624 239916 267030 299895 356040 359874 399860 459839 479832 534060 539811 599790 719748 799720 859699 899685 919678 1068120 1079622 1199580 1379517 1439496 1719398 1799370 1839356 2159244 2299195 2399160 2579097 2699055 2759034 3438796 3598740 3678712 4138551 4298495 4318488 4598390 5158194 5398110 5518068 6877592 6897585 7197480 7737291 8277102 8596990 9196780 10316388 10796220 11036136 12415653 12895485 13795170 15474582 16554204 17193980 18393560 19773077 20632776 20692755 21592440 23211873 24831306 25790970 27590340 30949164 33108408 34387960 38686455 39546154 41385510 46423746 49662612 51581940 55180680 59319231 61898328 62078265 77372910 79092308 82771020 92847492 98865385 99325224 103163880 116059365 118638462 124156530 154745820 158184616 165542040 177957693 185694984 197730770 232118730 237276924 248313060 296596155 309491640 355915386 395461540 464237460 474553848 496626120 533873079 593192310 711830772 790923080 889788465 928474920 1067746158 1186384620 1423661544 1779576930 2135492316 2372769240 2669365395 3559153860 4270984632 5338730790 7118307720 10677461580 21354923160
• Sum of all divisors σ(n): 76009190400
• Sum of proper divisors (its aliquot sum) s(n): 54654267240
• 21354923160 is an abundant number, because the sum of its proper divisors (54654267240) is greater than itself. Its abundance is 33299344080

Bases of 21354923160

• Binary: 10011111000110110100100010010011000₂
• Hexadecimal: 0x4F8DA4498
• Base-36: 9T66460

Squares and roots of 21354923160

• 21354923160 squared (21354923160²) is 456032743169504385600
• 21354923160 cubed (21354923160³) is 9738544188828781009771010496000
• The square root of 21354923160 is 146133.2376976573
• The cube root of 21354923160 is 2774.3803788229

Scales and comparisons

• 21,354,923,160 seconds is equal to 679 years, 1 week, 11 hours, 6 minutes.
• To count from 1 to 21,354,923,160 would take you about one thousand, three hundred fifty-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 21354923160 cubic inches would be around 231.2 feet tall.

Recreational maths with 21354923160

• 21354923160 backwards is 06132945312
• 21354923160 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21354923160's digits is 36
• More coming soon!