21298652829480

Names of 21298652829480

• Cardinal: 21298652829480 can be written as Twenty-one trillion, two hundred ninety-eight billion, six hundred fifty-two million, eight hundred twenty-nine thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.129865282948 × 10¹³

Factors of 21298652829480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2433488

Divisors of 21298652829480

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 31 39 40 52 60 62 65 78 93 104 120 124 130 155 156 181 186 195 248 260 310 312 362 372 390 403 465 520 543 620 724 744 780 806 905 930 1086 1209 1240 1448 1560 1612 1810 1860 2015 2172 2353 2418 2715 3224 3620 3720 4030 4344 4706 4836 5430 5611 6045 7059 7240 8060 9412 9672 10860 11222 11765 12090 14118 16120 16833 18824 21720 22444 23530 24180 28055 28236 33666 35295 44888 47060 48360 56110 56472 67332 70590 72943 84165 94120 112220 134664 141180 145886 168330 218829 224440 282360 291772 336660 364715 437658 583544 673320 729430 875316 1094145 1458860 1750632 2188290 2433253 2917720 4376580 4866506 7299759 8753160 9733012 12166265 14599518 19466024 24332530 29199036 31632289 36498795 48665060 58398072 63264578 72997590 75430843 94896867 97330120 126529156 145995180 150861686 158161445 189793734 226292529 253058312 291990360 301723372 316322890 377154215 379587468 440418793 452585058 474484335 603446744 632645780 754308430 759174936 880837586 905170116 948968670 980600959 1131462645 1265291560 1321256379 1508616860 1761675172 1810340232 1897937340 1961201918 2202093965 2262925290 2642512758 2941802877 3017233720 3523350344 3795874680 3922403836 4404187930 4525850580 4903004795 5285025516 5725444309 5883605754 6606281895 7844807672 8808375860 9051701160 9806009590 10570051032 11450888618 11767211508 13212563790 13652982583 14709014385 17176332927 17616751720 19612019180 22901777236 23534423016 26425127580 27305965166 28627221545 29418028770 34352665854 39224038360 40958947749 45803554472 52850255160 54611930332 57254443090 58836057540 68264912915 68705331708 81917895498 85881664635 109223860664 114508886180 117672115080 136529825830 137410663416 163835790996 171763329270 177488773579 204794738745 229017772360 273059651660 327671581992 343526658540 354977547158 409589477490 532466320737 546119303320 687053317080 709955094316 819178954980 887443867895 1064932641474 1419910188632 1638357909960 1774887735790 2129865282948 2662331603685 3549775471580 4259730565896 5324663207370 7099550943160 10649326414740 21298652829480
• Sum of all divisors σ(n): 71423207331840
• Sum of proper divisors (its aliquot sum) s(n): 50124554502360
• 21298652829480 is an abundant number, because the sum of its proper divisors (50124554502360) is greater than itself. Its abundance is 28825901672880

Bases of 21298652829480

• Binary: 100110101111011111010101000101101011100101000₂
• Hexadecimal: 0x135EFAA2D728
• Base-36: 7JSGRZ9RC

Squares and roots of 21298652829480

• 21298652829480 squared (21298652829480²) is 453632612350716409957070400
• 21298652829480 cubed (21298652829480³) is 9661763522587990059037225120291555392000
• The square root of 21298652829480 is 4615046.3518235653
• The cube root of 21298652829480 is 27719.4139988333

Scales and comparisons

• 21,298,652,829,480 seconds is equal to 677,231 years, 14 weeks, 3 days, 12 hours, 38 minutes.
• To count from 1 to 21,298,652,829,480 would take you about one million, six hundred ninety-three thousand and seventy-eight 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 21298652829480 cubic inches would be around 2310 feet tall.

Recreational maths with 21298652829480

• 21298652829480 backwards is 08492825689212
• The number of decimal digits it has is: 14
• The sum of 21298652829480's digits is 66
• More coming soon!