7149939840

Names of 7149939840

• Cardinal: 7149939840 can be written as Seven billion, one hundred forty-nine million, nine hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 7.14993984 × 10⁹

Factors of 7149939840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 365

Divisors of 7149939840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 67 72 80 90 96 97 120 128 134 144 160 180 191 192 194 201 240 268 288 291 320 335 360 382 384 388 402 480 485 536 573 576 582 603 640 670 720 764 776 804 873 955 960 970 1005 1072 1146 1152 1164 1206 1340 1440 1455 1528 1552 1608 1719 1746 1910 1920 1940 2010 2144 2292 2328 2412 2680 2865 2880 2910 3015 3056 3104 3216 3438 3492 3820 3880 4020 4288 4365 4584 4656 4824 5360 5730 5760 5820 6030 6112 6208 6432 6499 6876 6984 7640 7760 8040 8576 8595 8730 9168 9312 9648 10720 11460 11640 12060 12224 12416 12797 12864 12998 13752 13968 15280 15520 16080 17190 17460 18336 18527 18624 19296 19497 21440 22920 23280 24120 24448 25594 25728 25996 27504 27936 30560 31040 32160 32495 34380 34920 36672 37054 37248 38391 38592 38994 42880 45840 46560 48240 51188 51992 55008 55581 55872 58491 61120 62080 63985 64320 64990 68760 69840 73344 74108 76782 77184 77988 91680 92635 93120 96480 97485 102376 103984 110016 111162 111744 115173 116982 122240 127970 128640 129980 137520 139680 148216 153564 155976 166743 183360 185270 186240 191955 192960 194970 204752 207968 220032 222324 230346 233964 255940 259960 275040 277905 279360 292455 296432 307128 311952 333486 366720 370540 383910 385920 389940 409504 415936 444648 460692 467928 511880 519920 550080 555810 558720 575865 584910 592864 614256 623904 666972 741080 767820 779880 819008 831872 833715 889296 921384 935856 1023760 1039840 1100160 1111620 1151730 1169820 1185728 1228512 1241309 1247808 1333944 1482160 1535640 1559760 1638016 1667430 1778592 1842768 1871712 2047520 2079680 2223240 2303460 2339640 2371456 2457024 2482618 2495616 2667888 2964320 3071280 3119520 3334860 3557184 3685536 3723927 3743424 4095040 4159360 4446480 4606920 4679280 4914048 4965236 5335776 5928640 6142560 6206545 6239040 6669720 7114368 7371072 7447854 7486848 8190080 8892960 9213840 9358560 9930472 10671552 11171781 11857280 12285120 12413090 12478080 13339440 14742144 14895708 17785920 18427680 18619635 18717120 19860944 21343104 22343562 24570240 24826180 26678880 29791416 35571840 36855360 37239270 37434240 39721888 44687124 49652360 53357760 55858905 59582832 73710720 74478540 79443776 89374248 99304720 106715520 111717810 119165664 148957080 158887552 178748496 198609440 223435620 238331328 297914160 357496992 397218880 446871240 476662656 595828320 714993984 794437760 893742480 1191656640 1429987968 1787484960 2383313280 3574969920 7149939840
• Sum of all divisors σ(n): 25449016320
• Sum of proper divisors (its aliquot sum) s(n): 18299076480
• 7149939840 is an abundant number, because the sum of its proper divisors (18299076480) is greater than itself. Its abundance is 11149136640

Bases of 7149939840

• Binary: 110101010001010110110110010000000₂
• Hexadecimal: 0x1AA2B6C80
• Base-36: 3A8W0W0

Squares and roots of 7149939840

• 7149939840 squared (7149939840²) is 51121639715619225600
• 7149939840 cubed (7149939840³) is 365516648488832171387387904000
• The square root of 7149939840 is 84557.3168921531
• The cube root of 7149939840 is 1926.4931207583

Scales and comparisons

• 7,149,939,840 seconds is equal to 227 years, 17 weeks, 6 days, 22 hours, 24 minutes.
• To count from 1 to 7,149,939,840 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 7149939840 cubic inches would be around 160.5 feet tall.

Recreational maths with 7149939840

• 7149939840 backwards is 0489399417
• The number of decimal digits it has is: 10
• The sum of 7149939840's digits is 54
• More coming soon!