21797015040

Names of 21797015040

• Cardinal: 21797015040 can be written as Twenty-one billion, seven hundred ninety-seven million, fifteen thousand and forty.

Scientific notation

• Scientific notation: 2.179701504 × 10¹⁰

Factors of 21797015040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2790

Divisors of 21797015040

• Number of divisors d(n): 240
• 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 96 120 128 144 160 180 192 240 256 288 320 360 384 397 480 512 576 640 720 768 794 960 1152 1191 1280 1440 1536 1588 1920 1985 2304 2382 2383 2560 2880 3176 3573 3840 3970 4608 4764 4766 5760 5955 6352 7146 7149 7680 7940 9528 9532 11520 11910 11915 12704 14292 14298 15880 17865 19056 19064 21447 23040 23820 23830 25408 28584 28596 31760 35730 35745 38112 38128 42894 47640 47660 50816 57168 57192 63520 71460 71490 76224 76256 85788 95280 95320 101632 107235 114336 114384 127040 142920 142980 152448 152512 171576 190560 190640 203264 214470 228672 228768 254080 285840 285960 304896 305024 343152 381120 381280 428940 457344 457536 508160 571680 571920 609792 610048 686304 762240 762560 857880 914688 915072 946051 1016320 1143360 1143840 1220096 1372608 1524480 1525120 1715760 1829376 1830144 1892102 2286720 2287680 2745216 2838153 3048960 3050240 3431520 3660288 3784204 4573440 4575360 4730255 5490432 5676306 6100480 6863040 7568408 8514459 9146880 9150720 9460510 10980864 11352612 13726080 14190765 15136816 17028918 18301440 18921020 22705224 27452160 28381530 30273632 34057836 37842040 42572295 45410448 54904320 56763060 60547264 68115672 75684080 85144590 90820896 113526120 121094528 136231344 151368160 170289180 181641792 227052240 242189056 272462688 302736320 340578360 363283584 454104480 484378112 544925376 605472640 681156720 726567168 908208960 1089850752 1210945280 1362313440 1453134336 1816417920 2179701504 2421890560 2724626880 3632835840 4359403008 5449253760 7265671680 10898507520 21797015040
• Sum of all divisors σ(n): 75711100608
• Sum of proper divisors (its aliquot sum) s(n): 53914085568
• 21797015040 is an abundant number, because the sum of its proper divisors (53914085568) is greater than itself. Its abundance is 32117070528

Bases of 21797015040

• Binary: 10100010011001101000000111000000000₂
• Hexadecimal: 0x513340E00
• Base-36: A0HDOG0

Squares and roots of 21797015040

• 21797015040 squared (21797015040²) is 475109864653986201600
• 21797015040 cubed (21797015040³) is 10355976865515301632227672064000
• The square root of 21797015040 is 147638.1219062341
• The cube root of 21797015040 is 2793.3949346213

Scales and comparisons

• 21,797,015,040 seconds is equal to 693 years, 4 weeks, 6 hours, 24 minutes.
• To count from 1 to 21,797,015,040 would take you about one thousand, three hundred eighty-six 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 21797015040 cubic inches would be around 232.8 feet tall.

Recreational maths with 21797015040

• 21797015040 backwards is 04051079712
• 21797015040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21797015040's digits is 36
• More coming soon!