216397648720

Names of 216397648720

• Cardinal: 216397648720 can be written as Two hundred sixteen billion, three hundred ninety-seven million, six hundred forty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.1639764872 × 10¹¹

Factors of 216397648720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1405

Divisors of 216397648720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 113 121 176 181 220 226 242 362 440 452 484 565 605 724 880 904 905 968 1093 1130 1210 1243 1448 1808 1810 1936 1991 2186 2260 2420 2486 2896 3620 3982 4372 4520 4840 4972 5465 6215 7240 7964 8744 9040 9680 9944 9955 10930 12023 12430 13673 14480 15928 17488 19888 19910 20453 21860 21901 24046 24860 27346 31856 39820 40906 43720 43802 48092 49720 54692 60115 68365 79640 81812 87440 87604 96184 99440 102265 109384 109505 120230 123509 132253 136730 159280 163624 175208 192368 197833 204530 218768 219010 224983 240460 247018 264506 273460 327248 350416 395666 409060 438020 449966 480920 494036 529012 546920 617545 661265 791332 818120 876040 899932 961840 988072 989165 1058024 1093840 1124915 1235090 1322530 1358599 1582664 1636240 1752080 1799864 1976144 1978330 2116048 2176163 2249830 2470180 2474813 2645060 2717198 3165328 3599728 3956660 4352326 4499660 4940360 4949626 5290120 5434396 6792995 7913320 8704652 8999320 9880720 9899252 10580240 10868792 10880815 12374065 13585990 14944589 15826640 17409304 17998640 19798504 21737584 21761630 22355129 23937793 24748130 27171980 29889178 34818608 39597008 43523260 44710258 47875586 49496260 54343960 59778356 74722945 87046520 89420516 95751172 98992520 108687920 111775645 119556712 119688965 149445890 174093040 178841032 191502344 197985040 223551290 239113424 239377930 245906419 298891780 357682064 383004688 447102580 478755860 491812838 597783560 894205160 957511720 983625676 1195567120 1229532095 1788410320 1915023440 1967251352 2459064190 2704970609 3934502704 4918128380 5409941218 9836256760 10819882436 13524853045 19672513520 21639764872 27049706090 43279529744 54099412180 108198824360 216397648720
• Sum of all divisors σ(n): 561510842256
• Sum of proper divisors (its aliquot sum) s(n): 345113193536
• 216397648720 is an abundant number, because the sum of its proper divisors (345113193536) is greater than itself. Its abundance is 128715544816

Bases of 216397648720

• Binary: 11001001100010010011100001001101010000₂
• Hexadecimal: 0x32624E1350
• Base-36: 2RETKMDS

Squares and roots of 216397648720

• 216397648720 squared (216397648720²) is 46827942371544517638400
• 216397648720 cubed (216397648720³) is 10133456623597894251756327182848000
• The square root of 216397648720 is 465185.6067420831
• The cube root of 216397648720 is 6003.6796754627

Scales and comparisons

• 216,397,648,720 seconds is equal to 6,880 years, 40 weeks, 2 days, 9 hours, 58 minutes, 40 seconds.
• To count from 1 to 216,397,648,720 would take you about thirteen thousand, seven hundred sixty-one 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 216397648720 cubic inches would be around 500.3 feet tall.

Recreational maths with 216397648720

• 216397648720 backwards is 027846793612
• 216397648720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 216397648720's digits is 55
• More coming soon!