7640137728

Names of 7640137728

• Cardinal: 7640137728 can be written as Seven billion, six hundred forty million, one hundred thirty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.640137728 × 10⁹

Factors of 7640137728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 125

Divisors of 7640137728

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 81 96 101 108 114 128 144 152 162 171 192 202 216 228 243 256 288 303 304 324 342 384 404 432 456 486 512 513 576 606 608 648 684 768 808 864 909 912 972 1024 1026 1152 1212 1216 1296 1368 1536 1539 1616 1728 1818 1824 1919 1944 2048 2052 2304 2424 2432 2592 2727 2736 3072 3078 3232 3456 3636 3648 3838 3888 4096 4104 4608 4617 4848 4864 5184 5454 5472 5757 6144 6156 6464 6912 7272 7296 7676 7776 8181 8192 8208 9216 9234 9696 9728 10368 10908 10944 11514 12288 12312 12928 13824 14544 14592 15352 15552 16362 16384 16416 17271 18432 18468 19392 19456 20736 21816 21888 23028 24543 24576 24624 25856 27648 29088 29184 30704 31104 32724 32832 34542 36864 36936 38784 38912 41472 43632 43776 46056 49086 49152 49248 51712 51813 55296 58176 58368 61408 62208 65448 65664 69084 73728 73872 77568 77824 82944 87264 87552 92112 98172 98496 103424 103626 110592 116352 116736 122816 124416 130896 131328 138168 147456 147744 155136 155439 155648 165888 174528 175104 184224 196344 196992 206848 207252 221184 232704 233472 245632 248832 261792 262656 276336 295488 310272 310878 311296 331776 349056 350208 368448 392688 393984 413696 414504 442368 465408 466317 466944 491264 497664 523584 525312 552672 590976 620544 621756 663552 698112 700416 736896 785376 787968 827392 829008 930816 932634 933888 982528 995328 1047168 1050624 1105344 1181952 1241088 1243512 1327104 1396224 1400832 1473792 1570752 1575936 1654784 1658016 1861632 1865268 1965056 1990656 2094336 2101248 2210688 2363904 2482176 2487024 2792448 2801664 2947584 3141504 3151872 3316032 3723264 3730536 3930112 3981312 4188672 4202496 4421376 4727808 4964352 4974048 5584896 5895168 6283008 6303744 6632064 7446528 7461072 7860224 8377344 8404992 8842752 9455616 9948096 11169792 11790336 12566016 12607488 13264128 14893056 14922144 15720448 16754688 17685504 18911232 19896192 22339584 23580672 25132032 25214976 26528256 29844288 31440896 33509376 35371008 37822464 39792384 44679168 47161344 50264064 53056512 59688576 67018752 70742016 75644928 79584768 94322688 100528128 106113024 119377152 134037504 141484032 159169536 201056256 212226048 238754304 282968064 318339072 402112512 424452096 477508608 636678144 848904192 955017216 1273356288 1910034432 2546712576 3820068864 7640137728
• Sum of all divisors σ(n): 24331463520
• Sum of proper divisors (its aliquot sum) s(n): 16691325792
• 7640137728 is an abundant number, because the sum of its proper divisors (16691325792) is greater than itself. Its abundance is 9051188064

Bases of 7640137728

• Binary: 111000111011000110100000000000000₂
• Hexadecimal: 0x1C7634000
• Base-36: 3ICQO00

Squares and roots of 7640137728

• 7640137728 squared (7640137728²) is 58371704502809001984
• 7640137728 cubed (7640137728³) is 445967861819578538035985252352
• The square root of 7640137728 is 87407.8813837745
• The cube root of 7640137728 is 1969.5502359909

Scales and comparisons

• 7,640,137,728 seconds is equal to 242 years, 48 weeks, 3 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 7,640,137,728 would take you about four hundred eighty-five 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 7640137728 cubic inches would be around 164.1 feet tall.

Recreational maths with 7640137728

• 7640137728 backwards is 8277310467
• The number of decimal digits it has is: 10
• The sum of 7640137728's digits is 45
• More coming soon!