40393282720

Names of 40393282720

• Cardinal: 40393282720 can be written as Forty billion, three hundred ninety-three million, two hundred eighty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 4.039328272 × 10¹⁰

Factors of 40393282720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16055

Divisors of 40393282720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 70 73 80 112 124 140 146 155 160 217 224 248 280 292 310 365 434 496 511 560 584 620 730 868 992 1022 1085 1120 1168 1240 1460 1736 2044 2170 2263 2336 2480 2555 2920 3472 4088 4340 4526 4960 5110 5840 6944 8176 8680 9052 10220 11315 11680 15841 15937 16352 17360 18104 20440 22630 31682 31874 34720 36208 40880 45260 63364 63748 72416 79205 79685 81760 90520 111559 126728 127496 158410 159370 181040 223118 253456 254992 316820 318740 362080 446236 494047 506912 509984 557795 633640 637480 892472 988094 1115590 1163401 1267280 1274960 1784944 1976188 2231180 2326802 2470235 2534560 2549920 3458329 3569888 3952376 4462360 4653604 4940470 5817005 6916658 7904752 8143807 8924720 9307208 9880940 11634010 13833316 15809504 16287614 17291645 17849440 18614416 19761880 23268020 27666632 32575228 34583290 36065431 37228832 39523760 40719035 46536040 55333264 65150456 69166580 72130862 79047520 81438070 93072080 110666528 130300912 138333160 144261724 162876140 180327155 186144160 252458017 260601824 276666320 288523448 325752280 360654310 504916034 553332640 577046896 651504560 721308620 1009832068 1154093792 1262290085 1303009120 1442617240 2019664136 2524580170 2885234480 4039328272 5049160340 5770468960 8078656544 10098320680 20196641360 40393282720
• Sum of all divisors σ(n): 114129340416
• Sum of proper divisors (its aliquot sum) s(n): 73736057696
• 40393282720 is an abundant number, because the sum of its proper divisors (73736057696) is greater than itself. Its abundance is 33342774976

Bases of 40393282720

• Binary: 100101100111101000001001010010100000₂
• Hexadecimal: 0x967A094A0
• Base-36: IK148F4

Squares and roots of 40393282720

• 40393282720 squared (40393282720²) is 1631617288897850598400
• 40393282720 cubed (40393282720³) is 65906378441290796421492379648000
• The square root of 40393282720 is 200980.8018692333
• The cube root of 40393282720 is 3431.1237586387

Scales and comparisons

• 40,393,282,720 seconds is equal to 1,284 years, 19 weeks, 5 days, 20 hours, 18 minutes, 40 seconds.
• To count from 1 to 40,393,282,720 would take you about two thousand, five hundred sixty-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 40393282720 cubic inches would be around 285.9 feet tall.

Recreational maths with 40393282720

• 40393282720 backwards is 02728239304
• 40393282720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40393282720's digits is 40
• More coming soon!