21162245760

Names of 21162245760

• Cardinal: 21162245760 can be written as Twenty-one billion, one hundred sixty-two million, two hundred forty-five thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 2.116224576 × 10¹⁰

Factors of 21162245760

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 7262

Divisors of 21162245760

• Number of divisors d(n): 256
• 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 90 96 108 120 128 135 144 160 173 180 192 216 240 270 288 320 346 360 384 432 480 519 540 576 640 692 720 864 865 960 1038 1080 1152 1384 1440 1557 1728 1730 1920 2076 2160 2595 2768 2880 3114 3456 3460 4152 4320 4671 5190 5536 5760 6228 6920 7079 7785 8304 8640 9342 10380 11072 12456 13840 14158 15570 16608 17280 18684 20760 21237 22144 23355 24912 27680 28316 31140 33216 35395 37368 41520 42474 46710 49824 55360 56632 62280 63711 66432 70790 74736 83040 84948 93420 99648 106185 110720 113264 124560 127422 141580 149472 166080 169896 186840 191133 199296 212370 226528 249120 254844 283160 298944 318555 332160 339792 373680 382266 424740 453056 498240 509688 566320 597888 637110 679584 747360 764532 849480 906112 955665 996480 1019376 1132640 1224667 1274220 1359168 1494720 1529064 1698960 1911330 2038752 2265280 2449334 2548440 2718336 2989440 3058128 3397920 3674001 3822660 4077504 4530560 4898668 5096880 6116256 6123335 6795840 7348002 7645320 8155008 9797336 10193760 11022003 12232512 12246670 13591680 14696004 15290640 18370005 19594672 20387520 22044006 24465024 24493340 29392008 30581280 33066009 36740010 39189344 40775040 44088012 48986680 55110015 58784016 61162560 66132018 73480020 78378688 88176024 97973360 110220030 117568032 122325120 132264036 146960040 156757376 165330045 176352048 195946720 220440060 235136064 264528072 293920080 330660090 352704096 391893440 440880120 470272128 529056144 587840160 661320180 705408192 783786880 881760240 1058112288 1175680320 1322640360 1410816384 1763520480 2116224576 2351360640 2645280720 3527040960 4232449152 5290561440 7054081920 10581122880 21162245760
• Sum of all divisors σ(n): 75393504000
• Sum of proper divisors (its aliquot sum) s(n): 54231258240
• 21162245760 is an abundant number, because the sum of its proper divisors (54231258240) is greater than itself. Its abundance is 33069012480

Bases of 21162245760

• Binary: 10011101101010111100011111010000000₂
• Hexadecimal: 0x4ED5E3E80
• Base-36: 9PZGDC0

Squares and roots of 21162245760

• 21162245760 squared (21162245760²) is 447840645606637977600
• 21162245760 cubed (21162245760³) is 9477313803644737169320574976000
• The square root of 21162245760 is 145472.4914201995
• The cube root of 21162245760 is 2766.0110953295

Scales and comparisons

• 21,162,245,760 seconds is equal to 672 years, 46 weeks, 3 days, 9 hours, 36 minutes.
• To count from 1 to 21,162,245,760 would take you about one thousand, three hundred forty-five 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 21162245760 cubic inches would be around 230.5 feet tall.

Recreational maths with 21162245760

• 21162245760 backwards is 06754226112
• 21162245760 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21162245760's digits is 36
• More coming soon!