16661442720

Names of 16661442720

• Cardinal: 16661442720 can be written as Sixteen billion, six hundred sixty-one million, four hundred forty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.666144272 × 10¹⁰

Factors of 16661442720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16567

Divisors of 16661442720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 163 195 208 240 260 312 326 390 416 480 489 520 624 652 780 815 978 1040 1248 1304 1560 1630 1956 2080 2119 2445 2608 3120 3260 3912 4238 4890 5216 6240 6357 6520 7824 8476 9780 10595 12714 13040 15648 16381 16952 19560 21190 25428 26080 31785 32762 33904 39120 42380 49143 50856 63570 65524 67808 78240 81905 84760 98286 101712 127140 131048 163810 169520 196572 203424 212953 245715 254280 262096 327620 339040 393144 425906 491430 508560 524192 638859 655240 786288 851812 982860 1017120 1064765 1277718 1310480 1572576 1703624 1965720 2129530 2555436 2620960 2670103 3194295 3407248 3931440 4259060 5110872 5340206 6388590 6814496 7862880 8010309 8518120 10221744 10680412 12777180 13350515 16020618 17036240 20443488 21360824 25554360 26701030 32041236 34072480 34711339 40051545 42721648 51108720 53402060 64082472 69422678 80103090 85443296 102217440 104134017 106804120 128164944 138845356 160206180 173556695 208268034 213608240 256329888 277690712 320412360 347113390 416536068 427216480 520670085 555381424 640824720 694226780 833072136 1041340170 1110762848 1281649440 1388453560 1666144272 2082680340 2776907120 3332288544 4165360680 5553814240 8330721360 16661442720
• Sum of all divisors σ(n): 56870964864
• Sum of proper divisors (its aliquot sum) s(n): 40209522144
• 16661442720 is an abundant number, because the sum of its proper divisors (40209522144) is greater than itself. Its abundance is 23548079424

Bases of 16661442720

• Binary: 1111100001000110010111000010100000₂
• Hexadecimal: 0x3E11970A0
• Base-36: 7NJSJHC

Squares and roots of 16661442720

• 16661442720 squared (16661442720²) is 277603673511840998400
• 16661442720 cubed (16661442720³) is 4625277705079120036589211648000
• The square root of 16661442720 is 129079.2110295069
• The cube root of 16661442720 is 2554.0978694503

Scales and comparisons

• 16,661,442,720 seconds is equal to 529 years, 40 weeks, 4 days, 18 hours, 32 minutes.
• To count from 1 to 16,661,442,720 would take you about one thousand and fifty-nine 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 16661442720 cubic inches would be around 212.8 feet tall.

Recreational maths with 16661442720

• 16661442720 backwards is 02724416661
• 16661442720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16661442720's digits is 39
• More coming soon!