7139857920

Names of 7139857920

• Cardinal: 7139857920 can be written as Seven billion, one hundred thirty-nine million, eight hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.13985792 × 10⁹

Factors of 7139857920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5524

Divisors of 7139857920

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 169 192 195 208 240 256 260 312 320 338 384 390 416 480 507 512 520 624 640 676 768 780 832 845 960 1014 1040 1248 1280 1352 1536 1560 1664 1690 1920 2028 2080 2496 2535 2560 2704 3120 3328 3380 3840 4056 4160 4992 5070 5408 5501 6240 6656 6760 7680 8112 8320 9984 10140 10816 11002 12480 13520 16224 16503 16640 19968 20280 21632 22004 24960 27040 27505 32448 33006 33280 40560 43264 44008 49920 54080 55010 64896 66012 71513 81120 82515 86528 88016 99840 108160 110020 129792 132024 143026 162240 165030 176032 214539 216320 220040 259584 264048 286052 324480 330060 352064 357565 429078 432640 440080 528096 572104 648960 660120 704128 715130 858156 880160 929669 1056192 1072695 1144208 1297920 1320240 1408256 1430260 1716312 1760320 1859338 2112384 2145390 2288416 2640480 2789007 2816512 2860520 3432624 3520640 3718676 4224768 4290780 4576832 4648345 5280960 5578014 5721040 6865248 7041280 7437352 8449536 8581560 9153664 9296690 10561920 11156028 11442080 13730496 13945035 14082560 14874704 17163120 18307328 18593380 21123840 22312056 22884160 27460992 27890070 29749408 34326240 36614656 37186760 42247680 44624112 45768320 54921984 55780140 59498816 68652480 74373520 89248224 91536640 109843968 111560280 118997632 137304960 148747040 178496448 183073280 223120560 237995264 274609920 297494080 356992896 446241120 475990528 549219840 594988160 713985792 892482240 1189976320 1427971584 1784964480 2379952640 3569928960 7139857920
• Sum of all divisors σ(n): 24720574032
• Sum of proper divisors (its aliquot sum) s(n): 17580716112
• 7139857920 is an abundant number, because the sum of its proper divisors (17580716112) is greater than itself. Its abundance is 10440858192

Bases of 7139857920

• Binary: 110101001100100011001011000000000₂
• Hexadecimal: 0x1A9919600
• Base-36: 3A2VXMO

Squares and roots of 7139857920

• 7139857920 squared (7139857920²) is 50977571117786726400
• 7139857920 cubed (7139857920³) is 363972614887692811357913088000
• The square root of 7139857920 is 84497.6799681505
• The cube root of 7139857920 is 1925.5871977125

Scales and comparisons

• 7,139,857,920 seconds is equal to 227 years, 1 week, 2 days, 5 hours, 52 minutes.
• To count from 1 to 7,139,857,920 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 7139857920 cubic inches would be around 160.5 feet tall.

Recreational maths with 7139857920

• 7139857920 backwards is 0297589317
• The number of decimal digits it has is: 10
• The sum of 7139857920's digits is 51
• More coming soon!