7138380920

Names of 7138380920

• Cardinal: 7138380920 can be written as Seven billion, one hundred thirty-eight million, three hundred eighty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.13838092 × 10⁹

Factors of 7138380920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 877

Divisors of 7138380920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 11 17 20 22 34 40 44 55 68 73 85 88 110 136 146 170 187 220 289 292 340 365 374 440 578 584 680 730 748 769 803 935 1156 1241 1445 1460 1496 1538 1606 1870 2312 2482 2890 2920 3076 3179 3212 3740 3845 4015 4964 5780 6152 6205 6358 6424 7480 7690 8030 8459 9928 11560 12410 12716 13073 13651 15380 15895 16060 16918 21097 24820 25432 26146 27302 30760 31790 32120 33836 42194 42295 49640 52292 54604 56137 63580 65365 67672 68255 84388 84590 104584 105485 109208 112274 127160 130730 136510 143803 168776 169180 210970 222241 224548 232067 261460 273020 280685 287606 338360 421940 444482 449096 464134 522920 546040 561370 575212 617507 719015 843880 888964 928268 954329 1111205 1122740 1150424 1160335 1235014 1438030 1777928 1856536 1908658 2222410 2245480 2320670 2444651 2470028 2876060 3087535 3817316 4444820 4641340 4771645 4889302 4940056 5752120 6175070 7634632 8889640 9282680 9543290 9778604 10497619 12223255 12350140 16223593 19086580 19557208 20995238 24446510 24700280 32447186 38173160 41990476 48893020 52488095 64894372 81117965 83980952 97786040 104976190 129788744 162235930 178459523 209952380 324471860 356919046 419904760 648943720 713838092 892297615 1427676184 1784595230 3569190460 7138380920
• Sum of all divisors σ(n): 18892288800
• Sum of proper divisors (its aliquot sum) s(n): 11753907880
• 7138380920 is an abundant number, because the sum of its proper divisors (11753907880) is greater than itself. Its abundance is 4615526960

Bases of 7138380920

• Binary: 110101001011110110000110001111000₂
• Hexadecimal: 0x1A97B0C78
• Base-36: 3A209YW

Squares and roots of 7138380920

• 7138380920 squared (7138380920²) is 50956482159020046400
• 7138380920 cubed (7138380920³) is 363746779994269105119274688000
• The square root of 7138380920 is 84488.9396311731
• The cube root of 7138380920 is 1925.4544084955

Scales and comparisons

• 7,138,380,920 seconds is equal to 226 years, 50 weeks, 6 days, 3 hours, 35 minutes, 20 seconds.
• To count from 1 to 7,138,380,920 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 7138380920 cubic inches would be around 160.5 feet tall.

Recreational maths with 7138380920

• 7138380920 backwards is 0290838317
• The number of decimal digits it has is: 10
• The sum of 7138380920's digits is 41
• More coming soon!