9939890240

Names of 9939890240

• Cardinal: 9939890240 can be written as Nine billion, nine hundred thirty-nine million, eight hundred ninety thousand, two hundred forty.

Scientific notation

• Scientific notation: 9.93989024 × 10⁹

Factors of 9939890240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 859

Divisors of 9939890240

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 73 80 89 112 140 146 160 178 224 280 292 320 356 365 445 448 511 560 584 623 683 712 730 890 1022 1120 1168 1246 1366 1424 1460 1780 2044 2240 2336 2492 2555 2732 2848 2920 3115 3415 3560 4088 4672 4781 4984 5110 5464 5696 5840 6230 6497 6830 7120 8176 9562 9968 10220 10928 11680 12460 12994 13660 14240 16352 19124 19936 20440 21856 23360 23905 24920 25988 27320 28480 32485 32704 38248 39872 40880 43712 45479 47810 49840 49859 51976 54640 60787 64970 76496 81760 90958 95620 99680 99718 103952 109280 121574 129940 152992 163520 181916 191240 199360 199436 207904 218560 227395 243148 249295 259880 303935 305984 349013 363832 382480 398872 415808 425509 454790 486296 498590 519760 607870 698026 727664 764960 797744 851018 909580 972592 997180 1039520 1215740 1396052 1455328 1529920 1595488 1702036 1745065 1819160 1945184 1994360 2079040 2127545 2431480 2792104 2910656 3190976 3404072 3490130 3638320 3890368 3988720 4255090 4437451 4862960 5584208 6808144 6980260 7276640 7977440 8510180 8874902 9725920 11168416 13616288 13960520 14553280 15954880 17020360 17749804 19451840 22187255 22336832 27232576 27921040 31062157 34040720 35499608 44374510 55842080 62124314 68081440 70999216 88749020 111684160 124248628 136162880 141998432 155310785 177498040 248497256 283996864 310621570 354996080 496994512 621243140 709992160 993989024 1242486280 1419984320 1987978048 2484972560 4969945120 9939890240
• Sum of all divisors σ(n): 27769962240
• Sum of proper divisors (its aliquot sum) s(n): 17830072000
• 9939890240 is an abundant number, because the sum of its proper divisors (17830072000) is greater than itself. Its abundance is 7890181760

Bases of 9939890240

• Binary: 1001010000011101101011000001000000₂
• Hexadecimal: 0x25076B040
• Base-36: 4KDYCE8

Squares and roots of 9939890240

• 9939890240 squared (9939890240²) is 98801417983247257600
• 9939890240 cubed (9939890240³) is 982075250309839899325005824000
• The square root of 9939890240 is 99698.9981895505
• The cube root of 9939890240 is 2150.1092599965

Scales and comparisons

• 9,939,890,240 seconds is equal to 316 years, 3 weeks, 37 minutes, 20 seconds.
• To count from 1 to 9,939,890,240 would take you about six hundred thirty-two 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 9939890240 cubic inches would be around 179.2 feet tall.

Recreational maths with 9939890240

• 9939890240 backwards is 0420989399
• The number of decimal digits it has is: 10
• The sum of 9939890240's digits is 53
• More coming soon!