2121582240

Names of 2121582240

• Cardinal: 2121582240 can be written as Two billion, one hundred twenty-one million, five hundred eighty-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.12158224 × 10⁹

Factors of 2121582240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 6998

Divisors of 2121582240

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 71 72 80 90 96 108 120 135 142 144 160 180 213 216 240 270 284 288 355 360 426 432 480 540 568 639 710 720 852 864 1065 1080 1136 1278 1420 1440 1704 1917 2130 2160 2272 2556 2840 3195 3408 3834 4260 4320 5112 5680 6390 6816 6917 7668 8520 9585 10224 11360 12780 13834 15336 17040 19170 20448 20751 25560 27668 30672 34080 34585 38340 41502 51120 55336 61344 62253 69170 76680 83004 102240 103755 110672 124506 138340 153360 166008 186759 207510 221344 249012 276680 306720 311265 332016 373518 415020 491107 498024 553360 622530 664032 747036 830040 933795 982214 996048 1106720 1245060 1473321 1494072 1660080 1867590 1964428 1992096 2455535 2490120 2946642 2988144 3320160 3735180 3928856 4419963 4911070 4980240 5893284 5976288 7366605 7470360 7857712 8839926 9822140 9960480 11786568 13259889 14733210 14940720 15715424 17679852 19644280 22099815 23573136 26519778 29466420 29881440 35359704 39288560 44199630 47146272 53039556 58932840 66299445 70719408 78577120 88399260 106079112 117865680 132598890 141438816 176798520 212158224 235731360 265197780 353597040 424316448 530395560 707194080 1060791120 2121582240
• Sum of all divisors σ(n): 7531211520
• Sum of proper divisors (its aliquot sum) s(n): 5409629280
• 2121582240 is an abundant number, because the sum of its proper divisors (5409629280) is greater than itself. Its abundance is 3288047040

Bases of 2121582240

• Binary: 1111110011101001100011010100000₂
• Hexadecimal: 0x7E74C6A0
• Base-36: Z34VC0

Squares and roots of 2121582240

• 2121582240 squared (2121582240²) is 4501111201083417600
• 2121582240 cubed (2121582240³) is 9549477584483647538663424000
• The square root of 2121582240 is 46060.6365566087
• The cube root of 2121582240 is 1284.9511687399

Scales and comparisons

• 2,121,582,240 seconds is equal to 67 years, 23 weeks, 6 days, 8 hours, 24 minutes.
• To count from 1 to 2,121,582,240 would take you about one hundred thirty-four 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 2121582240 cubic inches would be around 107.1 feet tall.

Recreational maths with 2121582240

• 2121582240 backwards is 0422851212
• 2121582240 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2121582240's digits is 27
• More coming soon!