7138243440

Names of 7138243440

• Cardinal: 7138243440 can be written as Seven billion, one hundred thirty-eight million, two hundred forty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 7.13824344 × 10⁹

Factors of 7138243440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3099

Divisors of 7138243440

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 47 48 60 71 72 80 90 94 120 141 142 144 180 188 213 235 240 282 284 355 360 376 423 426 470 564 568 639 705 710 720 752 846 852 940 1065 1128 1136 1278 1410 1420 1692 1704 1880 2115 2130 2256 2556 2820 2840 2971 3195 3337 3384 3408 3760 4230 4260 5112 5640 5680 5942 6390 6674 6768 8460 8520 8913 10011 10224 11280 11884 12780 13348 14855 16685 16920 17040 17826 20022 23768 25560 26696 26739 29710 30033 33370 33840 35652 40044 44565 47536 50055 51120 53392 53478 59420 60066 66740 71304 80088 89130 100110 106956 118840 120132 133480 133695 139637 142608 150165 160176 178260 200220 210941 213912 237680 240264 266960 267390 279274 300330 356520 400440 418911 421882 427824 480528 534780 558548 600660 632823 698185 713040 800880 837822 843764 1054705 1069560 1117096 1201320 1256733 1265646 1396370 1675644 1687528 1898469 2094555 2109410 2139120 2234192 2402640 2513466 2531292 2792740 3164115 3351288 3375056 3796938 4189110 4218820 5026932 5062584 5585480 6283665 6328230 6702576 7593876 8378220 8437640 9492345 9914227 10053864 10125168 11170960 12567330 12656460 15187752 16756440 16875280 18984690 19828454 20107728 25134660 25312920 29742681 30375504 33512880 37969380 39656908 49571135 50269320 50625840 59485362 75938760 79313816 89228043 99142270 100538640 118970724 148713405 151877520 158627632 178456086 198284540 237941448 297426810 356912172 396569080 446140215 475882896 594853620 713824344 793138160 892280430 1189707240 1427648688 1784560860 2379414480 3569121720 7138243440
• Sum of all divisors σ(n): 24835838976
• Sum of proper divisors (its aliquot sum) s(n): 17697595536
• 7138243440 is an abundant number, because the sum of its proper divisors (17697595536) is greater than itself. Its abundance is 10559352096

Bases of 7138243440

• Binary: 110101001011110001111001101110000₂
• Hexadecimal: 0x1A978F370
• Base-36: 3A1XBW0

Squares and roots of 7138243440

• 7138243440 squared (7138243440²) is 50954519408703033600
• 7138243440 cubed (7138243440³) is 363725763907527108503299584000
• The square root of 7138243440 is 84488.1260296381
• The cube root of 7138243440 is 1925.4420474679

Scales and comparisons

• 7,138,243,440 seconds is equal to 226 years, 50 weeks, 4 days, 13 hours, 24 minutes.
• To count from 1 to 7,138,243,440 would take you about four hundred fifty-three 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 7138243440 cubic inches would be around 160.5 feet tall.

Recreational maths with 7138243440

• 7138243440 backwards is 0443428317
• 7138243440 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7138243440's digits is 36
• More coming soon!