681349120

Names of 681349120

• Cardinal: 681349120 can be written as Six hundred eighty-one million, three hundred forty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 6.8134912 × 10⁸

Factors of 681349120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 146

Divisors of 681349120

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 5 8 10 16 17 19 20 32 34 38 40 64 68 76 80 85 95 103 128 136 152 160 170 190 206 256 272 304 320 323 340 380 412 512 515 544 608 640 646 680 760 824 1024 1030 1088 1216 1280 1292 1360 1520 1615 1648 1751 1957 2048 2060 2176 2432 2560 2584 2720 3040 3230 3296 3502 3914 4096 4120 4352 4864 5120 5168 5440 6080 6460 6592 7004 7828 8240 8704 8755 9728 9785 10240 10336 10880 12160 12920 13184 14008 15656 16480 17408 17510 19456 19570 20480 20672 21760 24320 25840 26368 28016 31312 32960 33269 34816 35020 38912 39140 41344 43520 48640 51680 52736 56032 62624 65920 66538 69632 70040 77824 78280 82688 87040 97280 103360 105472 112064 125248 131840 133076 140080 156560 165376 166345 174080 194560 206720 210944 224128 250496 263680 266152 280160 313120 330752 332690 348160 389120 413440 421888 448256 500992 527360 532304 560320 626240 661504 665380 826880 896512 1001984 1054720 1064608 1120640 1252480 1323008 1330760 1653760 1793024 2003968 2109440 2129216 2241280 2504960 2661520 3307520 3586048 4007936 4258432 4482560 5009920 5323040 6615040 7172096 8015872 8516864 8965120 10019840 10646080 17033728 17930240 20039680 21292160 34067456 35860480 40079360 42584320 68134912 85168640 136269824 170337280 340674560 681349120
• Sum of all divisors σ(n): 1840026240
• Sum of proper divisors (its aliquot sum) s(n): 1158677120
• 681349120 is an abundant number, because the sum of its proper divisors (1158677120) is greater than itself. Its abundance is 477328000

Bases of 681349120

• Binary: 101000100111001001000000000000₂
• Hexadecimal: 0x289C9000
• Base-36: B9NOCG

Squares and roots of 681349120

• 681349120 squared (681349120²) is 464236623324774400
• 681349120 cubed (681349120³) is 316307214774106511638528000
• The square root of 681349120 is 26102.6649980419
• The cube root of 681349120 is 879.9471042585

Scales and comparisons

• 681,349,120 seconds is equal to 21 years, 34 weeks, 3 days, 23 hours, 38 minutes, 40 seconds.
• To count from 1 to 681,349,120 would take you about thirty-two 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 681349120 cubic inches would be around 73.3 feet tall.

Recreational maths with 681349120

• 681349120 backwards is 021943186
• 681349120 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 681349120's digits is 34
• More coming soon!