7139408640

Names of 7139408640

• Cardinal: 7139408640 can be written as Seven billion, one hundred thirty-nine million, four hundred eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.13940864 × 10⁹

Factors of 7139408640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 20461

Divisors of 7139408640

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 52 56 60 64 65 70 78 80 84 91 96 104 105 112 120 128 130 140 156 160 168 182 192 195 208 210 224 240 256 260 273 280 312 320 336 364 384 390 416 420 448 455 480 520 546 560 624 640 672 728 768 780 832 840 896 910 960 1040 1092 1120 1248 1280 1344 1365 1456 1560 1664 1680 1792 1820 1920 2080 2184 2240 2496 2688 2730 2912 3120 3328 3360 3640 3840 4160 4368 4480 4992 5376 5460 5824 6240 6720 7280 8320 8736 8960 9984 10920 11648 12480 13440 14560 16640 17472 20431 21840 23296 24960 26880 29120 34944 40862 43680 49920 58240 61293 69888 81724 87360 102155 116480 122586 143017 163448 174720 204310 245172 265603 286034 306465 326896 349440 408620 429051 490344 531206 572068 612930 653792 715085 796809 817240 858102 980688 1062412 1144136 1225860 1307584 1328015 1430170 1593618 1634480 1716204 1859221 1961376 2124824 2145255 2288272 2451720 2615168 2656030 2860340 3187236 3268960 3432408 3718442 3922752 3984045 4249648 4290510 4576544 4903440 5230336 5312060 5577663 5720680 6374472 6537920 6864816 7436884 7845504 7968090 8499296 8581020 9153088 9296105 9806880 10624120 11155326 11441360 12748944 13075840 13729632 14873768 15691008 15936180 16998592 17162040 18306176 18592210 19613760 21248240 22310652 22882720 25497888 26151680 27459264 27888315 29747536 31872360 33997184 34324080 36612352 37184420 39227520 42496480 44621304 45765440 50995776 54918528 55776630 59495072 63744720 67994368 68648160 74368840 78455040 84992960 89242608 91530880 101991552 109837056 111553260 118990144 127489440 137296320 148737680 169985920 178485216 183061760 203983104 223106520 237980288 254978880 274592640 297475360 339971840 356970432 446213040 475960576 509957760 549185280 594950720 713940864 892426080 1019915520 1189901440 1427881728 1784852160 2379802880 3569704320 7139408640
• Sum of all divisors σ(n): 28064741376
• Sum of proper divisors (its aliquot sum) s(n): 20925332736
• 7139408640 is an abundant number, because the sum of its proper divisors (20925332736) is greater than itself. Its abundance is 13785924096

Bases of 7139408640

• Binary: 110101001100010101011101100000000₂
• Hexadecimal: 0x1A98ABB00
• Base-36: 3A2MAYO

Squares and roots of 7139408640

• 7139408640 squared (7139408640²) is 50971155728906649600
• 7139408640 cubed (7139408640³) is 363903909601741631907692544000
• The square root of 7139408640 is 84495.0213917955
• The cube root of 7139408640 is 1925.5468072747

Scales and comparisons

• 7,139,408,640 seconds is equal to 227 years, 4 days, 1 hour, 4 minutes.
• To count from 1 to 7,139,408,640 would take you about four hundred fifty-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 7139408640 cubic inches would be around 160.5 feet tall.

Recreational maths with 7139408640

• 7139408640 backwards is 0468049317
• 7139408640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7139408640's digits is 42
• More coming soon!