29978912640

Names of 29978912640

• Cardinal: 29978912640 can be written as Twenty-nine billion, nine hundred seventy-eight million, nine hundred twelve thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.997891264 × 10¹⁰

Factors of 29978912640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 16668

Divisors of 29978912640

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 997 1920 1994 2991 3988 4985 5982 7976 9970 11964 14955 15661 15952 19940 23928 29910 31322 31904 39880 46983 47856 59820 62644 63808 78305 79760 93966 95712 119640 125288 127616 156610 159520 187932 191424 234915 239280 250576 313220 319040 375864 382848 469830 478560 501152 626440 638080 751728 939660 957120 1002304 1252880 1503456 1879320 1914240 2004608 2505760 3006912 3758640 5011520 6013824 7517280 10023040 15034560 15614017 30069120 31228034 46842051 62456068 78070085 93684102 124912136 156140170 187368204 234210255 249824272 312280340 374736408 468420510 499648544 624560680 749472816 936841020 999297088 1249121360 1498945632 1873682040 1998594176 2498242720 2997891264 3747364080 4996485440 5995782528 7494728160 9992970880 14989456320 29978912640
• Sum of all divisors σ(n): 95659737120
• Sum of proper divisors (its aliquot sum) s(n): 65680824480
• 29978912640 is an abundant number, because the sum of its proper divisors (65680824480) is greater than itself. Its abundance is 35701911840

Bases of 29978912640

• Binary: 11011111010111000011110011110000000₂
• Hexadecimal: 0x6FAE1E780
• Base-36: DRSO51C

Squares and roots of 29978912640

• 29978912640 squared (29978912640²) is 898735203076751769600
• 29978912640 cubed (29978912640³) is 26943104139530600515803807744000
• The square root of 29978912640 is 173144.1960910037
• The cube root of 29978912640 is 3106.5042983001

Scales and comparisons

• 29,978,912,640 seconds is equal to 953 years, 12 weeks, 2 days, 3 hours, 44 minutes.
• To count from 1 to 29,978,912,640 would take you about one thousand, nine hundred six 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 29978912640 cubic inches would be around 258.9 feet tall.

Recreational maths with 29978912640

• 29978912640 backwards is 04621987992
• The number of decimal digits it has is: 11
• The sum of 29978912640's digits is 57
• More coming soon!