21503016080

Names of 21503016080

• Cardinal: 21503016080 can be written as Twenty-one billion, five hundred three million, sixteen thousand and eighty.

Scientific notation

• Scientific notation: 2.150301608 × 10¹⁰

Factors of 21503016080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 840

Divisors of 21503016080

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 31 35 40 52 56 62 65 70 80 91 104 112 124 130 140 151 155 182 208 217 248 260 280 302 310 364 403 434 455 496 520 560 604 620 631 728 755 806 868 910 1040 1057 1085 1208 1240 1262 1456 1510 1612 1736 1820 1963 2015 2114 2170 2416 2480 2524 2821 3020 3155 3224 3472 3640 3926 4030 4228 4340 4417 4681 5048 5285 5642 6040 6310 6448 7280 7852 8060 8203 8456 8680 8834 9362 9815 10096 10570 11284 12080 12620 13741 14105 15704 16120 16406 16912 17360 17668 18724 19561 19630 21140 22085 22568 23405 25240 27482 28210 31408 32240 32767 32812 35336 37448 39122 39260 41015 42280 44170 45136 46810 50480 54964 56420 57421 60853 65534 65624 68705 70672 74896 78244 78520 82030 84560 88340 93620 95281 97805 109928 112840 114842 121706 131068 131248 136927 137410 156488 157040 163835 164060 176680 187240 190562 195610 219856 225680 229684 243412 254293 262136 273854 274820 287105 304265 312976 327670 328120 353360 374480 381124 391220 425971 459368 476405 486824 508586 524272 547708 549640 574210 608530 655340 656240 666967 684635 762248 782440 851942 918736 952810 973648 1017172 1095416 1099280 1148420 1217060 1238653 1271465 1310680 1333934 1369270 1524496 1564880 1703884 1780051 1905620 2034344 2129855 2190832 2296840 2434120 2477306 2542930 2621360 2667868 2738540 2953711 3334835 3407768 3560102 3811240 4068688 4259710 4593680 4868240 4954612 5085860 5335736 5477080 5907422 6193265 6669670 6815536 7120204 7622480 8519420 8670571 8900255 9909224 10171720 10671472 10954160 11814844 12386530 13339340 14240408 14768555 17038840 17341142 17800510 19818448 20343440 20675977 23629688 24773060 26678680 28480816 29537110 34077680 34682284 35601020 38398243 41351954 43352855 47259376 49546120 53357360 59074220 69364568 71202040 76796486 82703908 86705710 99092240 103379885 118148440 138729136 142404080 153592972 165407816 173411420 191991215 206759770 236296880 268787701 307185944 330815632 346822840 383982430 413519540 537575402 614371888 693645680 767964860 827039080 1075150804 1343938505 1535929720 1654078160 2150301608 2687877010 3071859440 4300603216 5375754020 10751508040 21503016080
• Sum of all divisors σ(n): 64038567936
• Sum of proper divisors (its aliquot sum) s(n): 42535551856
• 21503016080 is an abundant number, because the sum of its proper divisors (42535551856) is greater than itself. Its abundance is 21032535776

Bases of 21503016080

• Binary: 10100000001101011011111110010010000₂
• Hexadecimal: 0x501ADFC90
• Base-36: 9VMC9E8

Squares and roots of 21503016080

• 21503016080 squared (21503016080²) is 462379700536738566400
• 21503016080 cubed (21503016080³) is 9942558135707074024055347712000
• The square root of 21503016080 is 146639.0673729207
• The cube root of 21503016080 is 2780.7789029093

Scales and comparisons

• 21,503,016,080 seconds is equal to 683 years, 37 weeks, 6 days, 12 hours, 1 minute, 20 seconds.
• To count from 1 to 21,503,016,080 would take you about one thousand, three hundred sixty-seven 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 21503016080 cubic inches would be around 231.7 feet tall.

Recreational maths with 21503016080

• 21503016080 backwards is 08061030512
• 21503016080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21503016080's digits is 26
• More coming soon!