120721420442

Names of 120721420442

• Cardinal: 120721420442 can be written as One hundred twenty billion, seven hundred twenty-one million, four hundred twenty thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.20721420442 × 10¹¹

Factors of 120721420442

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 69

Divisors of 120721420442

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 7 14 17 34 43 49 86 98 119 238 289 301 343 578 602 686 731 833 1462 1666 2023 2107 2401 4046 4214 4802 4913 5117 5831 9826 10234 11662 12427 14161 14749 16807 24854 28322 29498 33614 34391 35819 40817 68782 71638 81634 83521 86989 99127 103243 167042 173978 198254 206486 211259 240737 250733 285719 422518 481474 501466 571438 584647 608923 693889 722701 1169294 1217846 1387778 1445402 1478813 1685159 1755131 2957626 3370318 3510262 3591403 4092529 4262461 4857223 7182806 8185058 8524922 9714446 10351691 11796113 12285917 20703382 23592226 24571834 25139821 28647703 29837227 50279642 57295406 59674454 72461837 82572791 144923674 165145582 175978747 200533921 208860589 351957494 401067842 417721178 507232859 1014465718 1231851229 1403737447 2463702458 2807474894 3550630013 7101260026 8622958603 17245917206 60360710221 120721420442
• Sum of all divisors σ(n): 229684425696
• Sum of proper divisors (its aliquot sum) s(n): 108963005254
• 120721420442 is a deficient number, because the sum of its proper divisors (108963005254) is less than itself. Its deficiency is 11758415188

Bases of 120721420442

• Binary: 1110000011011100011101011000010011010₂
• Hexadecimal: 0x1C1B8EB09A
• Base-36: 1JGIF062

Squares and roots of 120721420442

• 120721420442 squared (120721420442²) is 14573661353534135475364
• 120721420442 cubed (120721420442³) is 1759353099639321171320404976990888
• The square root of 120721420442 is 347449.8819139243
• The cube root of 120721420442 is 4942.2887169585

Scales and comparisons

• 120,721,420,442 seconds is equal to 3,838 years, 29 weeks, 3 days, 15 hours, 54 minutes, 2 seconds.
• To count from 1 to 120,721,420,442 would take you about seven thousand, six hundred seventy-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 120721420442 cubic inches would be around 411.9 feet tall.

Recreational maths with 120721420442

• 120721420442 backwards is 244024127021
• The number of decimal digits it has is: 12
• The sum of 120721420442's digits is 29
• More coming soon!